cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Seismic response of R/C frames considering dynamic soil-structure interaction
Creators: name: Nasser, Mourad
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: In spite of the extensive research in dynamic soil-structure interaction (SSI), there still exist miscon-ceptions concerning the role of SSI in the seismic performance of structures, especially the ones founded on soft soil. This is due to the fact that current analytical SSI models that are used to evaluate the influence of soil on the overall structural behavior are approximate models and may involve creeds and practices that are not always precise. This is especially true in the codified approaches which in-clude substantial approximations to provide simple frameworks for the design. As the direct numerical analysis requires a high computational effort, performing an analysis considering SSI is computationally uneconomical for regular design applications. This paper outlines the set up some milestones for evaluating SSI models. This will be achieved by investigating the different assumptions and involved factors, as well as varying the configurations of R/C moment-resisting frame structures supported by single footings which are subject to seismic excita-tions. It is noted that the scope of this paper is to highlight, rather than fully resolve, the above subject. A rough draft of the proposed approach is presented in this paper, whereas a thorough illustration will be carried out throughout the presentation in the course of the conference.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
title: Numerical simulation and inverse analysis of thermo-hydro-mechanical behavoir of sand-bentonite mixture
Creators: name: Nguyen Tuan, Long
name: Datcheva, Maria
name: Schanz, Tom
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: Sand-bentonite mixtures are well recognized as buffer and sealing material in nuclear waste repository constructions. The behaviour of compacted sand-bentonite mixture needs to be well understood in order to guarantee the safety and the efficiency of the barrier construction. This paper presents numerical simulations of swelling test and coupled thermo-hydro-mechanical (THM) test on compacted sand-bentonite mixture in order to reveal the influence of the temperature and hydraulic gradients on the distribution of temperature, mechanical stress and water content in such materials. Sensitivity analysis is carried out to identify the parameters which influence the most the response of the numerical model. Results of back analysis of the model parameters are reported and critically assessed.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
Uncertainty propagation in seismic reliability evaluation of aging transportation networks
Creators: name: Rokneddin, Keivan
name: Ghosh, Jayadipta
name: Dueñas-Osorio, Leonardo
name: Padgett, Jamie E.
Publisher: name: The University of British Columbia
Year: 2015

description: Uncertainty quantification is an integral part of many fields of science and engineering, but its application to seismic reliability and risk assessment in highway transportation networks is still in its infancy. This study identifies major known sources of uncertainties associated with seismic loss assessments in aging transportation networks, including hazards, structures, aging parameters, and network topology sources, while quantifying the impact of a subset of them on mean network-level reliability estimates. The uncertainty tracking process is illustrated with a case study network in South Carolina, USA. The source-to-response uncertainties are propagated and errors aggregated as they emerge with the adoption of surrogate seismic response models at both bridge and network levels. The observed range of uncertainties from the considered sources suggests that uncertainty quantification must become a standard procedure for reliability and risk assessment in transportation networks. Moreover, while the bridge surrogate models contribute significantly to overall uncertainties, network surrogate model’s contribution is found to be the least of all considered variables. Future opportunities exist to further identify key sources that should be targeted for improved confidence in risk estimates.
An improved approach for aftershock hazard assessment
Creators: name: Müderrisoğlu, Ziya
name: Yazgan, Ufuk
Publisher: name: The University of British Columbia
Year: 2015

description: Estimation of aftershock hazard is one of the most critical issues in evaluation of the post-earthquake safety of damaged structures. Unfortunately, misevaluation of this risk has claimed many lives in the past. In this proceeding, an improved probabilistic aftershock hazard analysis (IPAHA) approach is presented. Proposed method has two contributions to existing approaches that are aimed at achieving more reliable estimation of aftershock hazard. First contribution is related to the spatial distribution model for aftershock clusters. In order to develop a reliable model, spatial distribution of aftershock focal points is investigated statistically for set of earthquake sequences. Specifically, positions of aftershock focal points relative to the mainshock rupture plane are investigated. Second contribution of the proposed method is related to quantification of the correlation of “epsilon” values for pairs of mainshock-aftershock ground motion intensities. Epsilon refers to the standard random error parameter that is defined as the difference between the actual and the estimated median ground motion intensity divided by standard deviation representing the total variability. Using the correlation between mainshock-aftershock epsilons, an improved aftershock hazard estimation model has been established. These developed models establish the basis of the proposed IPAHA procedure. As an example application of proposed method, the aftershock hazard is assessed for a site in Istanbul, Turkey that is assumed to be affected by a scenario mainshock earthquake.
Supplementary document for Design of wavelength division multiplexing devices based on tunable edge states of valley photonic crystals - 6226319.pdf
Creators: name: Wang, xiaorong
name: Han, Yuhui
name: Fei, Hongming
name: Lin, Han
name: Zhang, Mingda
name: liu, xin
name: cao, binzhao
name: Yang, Yibiao
name: Chen, Zhihui
name: Xiao, Liantuan
Publisher: name: Optica Publishing Group
Year: 2025
Subjects: Uncategorized

description: Design of wavelength division multiplexing devices based on tunable edge states of valley photonic crystals
Celiac Disease, Prices and Consumer Food Choices: Empirical Evidence from the UK
Creators: name: Leucci, Anna Caterina <1987>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: SECS-S/03 Statistica economica

description: Celiac disease is an autoimmune disease for which the only treatment is
a strictly gluten free diet. 
Prices of  gluten free products are higher than common grain-based food.
A consumer who must eat only gluten free products can't choose the price
he prefers and faces higher prices. The aim of this research is to evaluate
the economic impact associated with the higher prices faced by consumers
who receive a celiac disease diagnosis.
A protocol to collecting price data on gluten and gluten free products was
defined. Following the guidelines specified in the data collection proto-
col, gluten and gluten free prices were collected considering the on-line
shops of the four most important UK supermarkets, and considering all
products potentially containing gluten. The resulting dataset allows us to
describe the current situation of gluten free food supply both in terms of
the range of available product by category and the corresponding prices.
Using the 2012 Living Cost and Food Survey data, an Almost Ideal Demand System was estimate.
The estimations of the AIDS provide the key informations needed for the evaluation of the impact of coeliac
disease. In practice, we consider the price gap between gluten-free foods
and foods containing gluten as an implicit tax.
The resulting welfare loss of the celiac consumers was then estimated
using compensating variation, based on the AIDS coeficients estimated
in the previous step and the collected price data. Hence, we estimate
the additional amount of food expenditure which is needed by a celiac
consumer to reach the same utility level of a consumer whose choice is not
restricted to gluten-free products.
Demand and welfare analysis was conducted both for the total population
and for three different income brackets, in order to explore the relative
impact and potential inequalities across income groups.
Measurement of the t-tbar differential cross section at large top quark transverse momentum in sqrt(8) TeV pp collisions using the ATLAS detector at the LHC
Creators: name: Massa, Lorenzo <1988>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: FIS/01 Fisica sperimentale

description: The top quark is the heaviest particle in Standard Model. When it is produced with a large Lorentz boost, its decay products tend to overlap, making the standard reconstruction techniques inefficient; large R jet substructure analysis techniques allow to increase the detection efficiency for these events. Various differential cross section measurements of boosted t-tbar from pp collisions with sqrt(s)=8 TeV are presented:  with respect to the mass, to the transverse momentum and the pseudorapidity of the t-tbar system. The results here have been obtained using a sample of 20 fb^-1, recorded by ATLAS during 2012. The events are selected with a cut-based approach in the single lepton plus jets decay channel, where the lepton can be either an electron or a muon. The final background-subtracted distributions are corrected for the distortion introduced by the detector and selection effects using unfolding methods.  The measurements are dominated by the systematic uncertainties, and are in agreement with the Standard Model, even if it can be seen a general tendency of the theoretical predictions to overestimate the measured cross section for increasing transverse momentum and mass of the t-tbar system.
Search for the TTH Production in Multi-Leptonic Final States with the Atlas Detector at LHC
Creators: name: Lasagni Manghi, Federico <1988>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: FIS/01 Fisica sperimentale

description: Since the discovery of the Higgs boson in 2012, the aim of the correlated physics analyses moved towards the measurement of its properties to verify the consistence with the Standard Model and to study possible signals of physics Beyond Standard Model. In particular, any discrepancy in the Higgs-SM couplings would point to new physics contributions. The ttH channels is a privileged channel for this pourpose, because it depends on a small number of BSM parameters.
In this thesis the analysis of the production of a Higgs boson in association with a top and anti-top quark couple and decay into multi-leptonic final states in ATLAS at LHC is described. The analysis is focused on the channel defined by two light leptons of the same sign and no hadronic tau leptons in both Run I and Run II. The analysis is an essential preparatory step for the 2016 data-taking. After introducing the Higgs boson, LHC and the ATLAS experiment, the results of the Run I analysis are presented, which pose a first limit on the deviation of the cross section from the SM.  A large part of the thesis is dedicated to the data-driven estimation of the main background of this channel, fake leptons produced in meson decays, using a technique denominated matrix method. This alternative background estimation is explained and applied to the analysis, producing alternative results. In the last part of the thesis, the first stages of the analysis of the 2015 data is shown, in preparation of the 2016 data-taking.
Sequestered String Models: Supersymmetry Breaking and Cosmological Applications
Creators: name: Muia, Francesco <1987>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: FIS/02 Fisica teorica, modelli e metodi matematici

description: In the present thesis I focused on the study of the phenomenology arising from a class of string models called sequestered compactifications, which were born with the aim of getting low-energy SUSY from strings. This is not an easy task if combined with cosmological constraints, since the mechanism of moduli stabilization fixes both the scale of supersymmetric particles and the scale of moduli, which tend to be of the same order. However, if on the one hand supersymmetric particles with TeV mass are desired in order to address the electroweak hierarchy problem, on the
other hand the cosmological moduli problem requires the moduli to be heavier than 100 TeV. The specific setup of sequestered compactifications makes this hierarchy
achievable, at least in principle: as in these models the visible sector is located on a stack of D3-branes at singularities, a physical separation between the visible degrees of freedom and the SUSY-breaking sources takes place. Such decoupling translates into a hierarchy between the scale of SUSY-breaking and the spectrum of supersymmetric particles. Interestingly, moduli are the four-dimensional manifestation of the existence of extra-dimensions. Since they are only gravitationally coupled,
they could decay late in the history of the universe, affecting in a significant way its cosmological evolution. Possible deviations of the cosmological observables from
the values predicted by the standard Hot Big Bang Theory constitute an interesting alternative for the discovery of new physics beyond the Standard Model, which is complementary to the particle physics search. For this reason in addition to SUSY-breaking in sequestered models, I also studied several cosmological scenarios arising
from them, such as production of non-thermal dark matter and dark radiation, reheating from moduli decay and inflation.
La valutazione di modelli e sperimentazioni di progettazione partecipata sociale e socio-sanitaria
Evaluation of models and experimentation of social and social health participatory planning
Creators: name: Martino, Fausta <1979>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: SPS/07 Sociologia generale

description: Fino ad oggi i servizi sociali hanno offerto interventi e prestazioni di tipo riparatorio, con la frammentazione della domanda e di conseguenza l’individualizzazione dell’offerta. L’obiettivo è quello di svolgere una ricerca esplorativa di studio di casi, avendo come livello di indagine il micro (l’esperienza di attivazione di processi partecipativi nell’ambito dei servizi sociali e sociosanitari in unità ecologiche e non necessariamente in unità amministrative) con la messa a sistema di buone prassi partecipative attraverso la valutazione delle stesse. Questo lavoro ha visto la collaborazione della scrivente con l’Agenzia sociale e sanitaria della regione Emilia Romagna.
description: Up until today, social services have offered reparatory interventions and activities, which caused fragmentation of requests and therefore individualisation of the offer. The objective of this research is to explore different cases, with a perspective focused on a micro-level i.e. how participatory processes  are started in the field of social and social health services in ecological and not necessarily administrative units, through good participatory practices characterised by their own evaluation. This research has been made in collaboration with “Agenzia sociale e sanitaria della regione Emilia Romagna”.
Reliability-based snow load maps for building design
Creators: name: DeBock, D. Jared
name: Liel, Abbie B.
name: Harris, James R.
name: Torrents, Jeannette M.
Publisher: name: The University of British Columbia
Year: 2015

description: This paper describes the development of a new snow load map for defining ground snow loads for building (roof) design in the state of Colorado. The newly proposed Colorado maps aim to ensure that structures designed across the state achieve the target safety index of 3 defined in ASCE 7. To achieve this target safety index, the proposed design ground snow loads may be bigger or smaller than the 50-year load that ASCE 7 currently recommends for design, depending on the site.
MaRDI: Mathematical Research Data Initiative Proposal
Creators: name: Consortium, The MaRDI
Publisher: name: Zenodo
Year: 2022
Subjects: MaRDI
NFDI
Research Data
Mathematical Research Data Management
Computer Algebra
Machine Learning
Scientific Computing

description: Driven by the needs and requirements of mathematical research as well as scientific disciplines using mathematics, the NFDI-consortium MaRDI (Mathematical Research Data Initiative) will develop and establish standards and services for mathematical research data. Mathematical research data ranges from databases of special functions and mathematical objects, aspects of scientific computing such as models and algorithms to statistical analysis of data with uncertainties. It is also widely used in other scientific disciplines due to the cross-disciplinary nature of mathematical methods. The handling of research data in mathematics raises questions on the reproducibility of results, reusability and access to data. However, existing solutions are often specific to the question at hand, resulting in the general lack of a comprehensive data culture and corresponding infrastructure for mathematical research data that support the research process and implement the FAIR principles. Starting with the areas of computer algebra, scientific computing, statistics and machine learning, MaRDI will develop standards for confirmable workflows and certifiable mathematical results and provide new services that assist the research cycle up to peer-review in the publication process. Furthermore, by building the MaRDI portal as a decentralised and federated infrastructure the storage and accessing of data and knowledge will be facilitated in a manner that would perpetuate FAIR and open science principles.
CAD Aspects on Isogeometric Analysis and Hybrid Domains
Creators: name: Martini, Giulia <1987>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: INF/01 Informatica

description: This thesis is the result of a Ph.D. program in Alto Apprendistato carried
out at the Dipartimento di Informatica - Scienza e Ingegneria (DISI) of the
University of Bologna and at the company devDept Software.
With regard to the professional side of my Individual Training Project, I
developed technical and scientific skills in 3D geometry of curves and surfaces, CAD, and Finite Element Analysis (FEA). Regarding the academic side, I investigated CAD aspects in the field of Isogeometric Analysis (IGA) on both single and hybrid multipatch physical domains.
Simulations are performed in classical FEA systems, which require the conversion of designs, made by CAD systems, into finite element meshes. IGA
is a new approach that aims to unify the worlds of CAD and FEA by using
the same geometry for analysis as what is used for modeling. That is, the
same set of basis functions are adopted both to describe the computational
geometry in the CAD tool, and to span the solution space for FEA.
The traditional FEA pipeline works on meshes and the most advanced IGA
systems work on NURBS or T-spline geometries. Hybrid geometric models
(i.e., models in which mesh and NURBS entities coexist), are an emergent
way to represent a solid object, but in most CAD systems mesh and NURBS
geometries cannot interact with each other, and conversions to a common
representation are often needed.
In this thesis, we investigate how IGA can be applied on 2D and 3D hybrid
models made by both mesh and NURBS entities without requiring laborious
and time consuming conversion processes.
La nuova governance economica europea: evoluzioni istituzionali
New economic governance: institutional evolution
Creators: name: Lazzaroni, Francesca Anna Marta <1978>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: IUS/12 Diritto tributario

description: L'obbiettivo della ricerca è l'analisi del riassetto istituzionale dovuto alla crisi economica.
Il progetto di ricerca parte da un’analisi della formazione della moneta unica e dell’Unione economica e monetaria, per proseguire attraverso l’analisi dello stato di avanzamento delle politiche economiche e monetarie mediante la ridefinizione degli assetti giuridici ed istituzionali, come diretta conseguenza della crisi economica. Si prende infine in considerazione l’accelerazione di alcuni processi d’integrazione che hanno messo in discussione il ruolo di alcune Istituzioni partendo dalla natura stessa del metodo comunitario e del processo di legittimità democratica alla base del consolidamento e dello sviluppo dell’Unione economica e monetaria. Fino ad arrivare allo statuto speciale ottenuto dal Regno Unito che mette in discussione l'assetto stesso del progetto europeo, decretando un Europa a più velocità, frutto di una specifica visione di un Europa regolatori.
description: The propose of this research is to analyze the future of the European project due to the changes of the economic crisis.
The research is based on a deep analysis of European economic and monetary policies, starting from the creation of the single currency through the construction of the Economic and Monetary Union, until the impact of the debt crisis on the European Governance and institutions.
The research project analyses the legal and political arrangements that have queries the Community method in favor of the intergovernmental method. It is analyzed the acceleration of certain processes of integration/desegregation of the European project that have questioned the role of some institutions, their accountability and legitimacy, until the UK special status that have create de facto a legal multi-speed Europe.
Resources Optimization For Distributed Mobile Platforms In Smart Cities
Creators: name: Mazza, Daniela <1965>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: ING-INF/03 Telecomunicazioni

description: This thesis is focused on the study and design of techniques able to optimize resources in distributed mobile platforms. It is related to a smart city environment, in order to enhance quality, performance and interactivity of urban services. The subject is the computation offloading, intended as the delegation of certain computing tasks to an external platform, such as a cloud or a cluster of devices. Offloading the computation tasks can effectively expand the usability of mobile devices beyond their physical limits and may be necessary due to limitations of a system handling a particular task on its own.
The computation offloading within an ecosystem as a urban community, where a large amount of users are connected towards even multiple devices, is a challenging subject. In a very close future, smart cities will be peculiar sources of intensive computing tasks, since they are conceived as systems where e-governance will be not only transparent and fast, but also oriented to energy and water conservation, efficient waste disposal, city automation, seamless facilities to travel and affordable access to health management systems. Also traffic will need to be monitored intelligently, emergencies foreseen and resolved quickly, homes and citizens provided with a wide series of control and security devices. All these ambitious aspirations will require the deployment of infrastructures and systems where devices will generate massive data and should be orchestrated in a collective way. In this context, the computation offloading is an operation dealing with the optimization of urban services, in order to reduce costs and consumption of resources and to improve the connection between citizens and government.
This dissertation is organized in three main parts, dealing with the optimization of the resources in a smart city from different points of view.
Autonomic Management of Cloud  Virtual Infrastructures
Creators: name: Loreti, Daniela <1984>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: ING-INF/05 Sistemi di elaborazione delle informazioni

description: The new model of interaction suggested by Cloud Computing has experienced a significant diffusion over the last years thanks to its capability of providing customers with the illusion of an infinite amount of reliable resources. Nevertheless, the challenge of efficiently manage a large collection of virtual computing nodes has just been partially moved from the customer's private datacenter to the larger provider's infrastructure that we generally address as “the cloud”. A lot of effort - in both academic and industrial field - is therefore concentrated on policies for the efficient and autonomous management of virtual infrastructures.
The research on this topic is further encouraged by the diffusion of cheap and portable sensors and the availability of almost ubiquitous Internet connectivity that are constantly creating large flows of information about the environment we live in. The need for fast and reliable mechanisms to process these considerable volumes of data has inevitably pushed the evolution from the initial scenario of a single (private or public) cloud towards cloud interoperability, giving birth to several forms of collaboration between clouds. The efficient resource management is further complicated in these heterogeneous environments, making autonomous administration more and more desirable.
In this thesis, we initially focus on the challenges of autonomic management in a single-cloud scenario, considering the benefits and shortcomings of centralized and distributed solutions and proposing an original decentralized model.
Later in this dissertation, we face the challenge of autonomic management in large interconnected cloud environments, where the movement of virtual resources across the infrastructure nodes is further complicated by the intrinsic heterogeneity of the scenario and difficulties introduced by the higher latency medium between datacenters. According to that, we focus on the cost model for the execution of distributed data-intensive application on multiple clouds and we propose different management policies leveraging cloud interoperability.
Expressões da periferia na literatura brasileira contemporânea
Expressions of the periphery in Brazilian contemporary literature
Expressions de la périphérie dans la littérature brésilienne contemporaine
Creators: name: Maini, Matilde <1986>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: L-LIN/08 Letteratura portoghese e brasiliana

description: A partir da sua conceituação inevitavelmente relacional que a opõe ao centro, o estudo que aqui se apresenta pretende investigar as modalidades da representação da periferia na literatura brasileira contemporânea, tendo em vista ao mesmo tempo a sua projeção no mercado editorial nacional e internacional. O trabalho enfoca, em particular, a obra de quatro autores brasileiros contemporâneos (Rodrigo Ciríaco, Marcelino Freire, Ana Paula Maia e Patrícia Melo) que, pelos seus percursos pessoais e criativos, podem ser colocados em pontos diferentes de um continuum entro o polo “centro” e o polo “periferia”, ora mais próximo de um, ora de outro, mas sempre pressuppondo ambos os termos, tidos como mutuamente implicados nas várias configurações identitárias de cada autor, fora de qualquer lógica dicotómica. O percurso começa pela literatura periférica enquanto terminus a quo, não só do ponto de vista cronológico, de toda abordagem histórico-cultural do tema, chegando depois a acompanhar a progressiva reestruturação (ou desestruturação?) desse relacionamento osmótico entre a escrita e o lugar, conforme acontece, por exemplo, em uma autora como Patrícia Melo, em que a periferia não passa de um simples pano de fundo, desvencilhado de qualquer função conhecedora. Por fim, no último capítulo, a análise debruça-se sobre a presença de autores brasileiros, e em particular de representantes do movimento da literatura periférica, no mercado editorial mundial, por meio da tradução e da participação de eventos culturais internacionais como a Feira do Livro de Frankfurt e o Salão do Livro de Paris.
description: Starting from the concepts of the centre and the periphery, this thesis analyses their representation in Brazilian contemporary literature and their relationship in the Brazilian and international publishing market. Focusing on four Brazilian contemporary writers with different personal and creative paths – Rodrigo Ciríaco, Marcelino Freire, Ana Paula Maia e Patrícia Melo – this research aims to demonstrate that they can be placed on an imaginary line, which develops through multiple gradations. Therefore, this continuum is opposed to a binary opposition’s point of view. From this perspective, the emergence of a new literary movement from the suburbs of Brazilian big cities, the literatura periférica, is analyzed in order to try to understand how it is different, or not, from other literary discourses. Finally, the thesis observes the presence of Brazilian writers, especially exponents of literatura periférica, in the international publishing market, through their translation and participation in major international cultural events such as Frankfurt Book Fair and Paris Book Fair.
Data Processing and Fusion For Multi-Source Wireless Systems
Creators: name: Moretti, Simone <1983>
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2016
Subjects: ING-INF/03 Telecomunicazioni

description: The constant evolution of the telecommunication technologies is one fundamental aspect that characterizes the modern era. In the context of healthcare and security, different scenarios are characterized by the presence of multiple sources of information that can support a large number of innovative services. For example, in emergency scenarios, reliable transmission of heterogeneous information (health conditions, ambient and diagnostic videos) can be a valid support for managing the first-aid operations. The presence of multiple sources of information requires a careful communication management, especially in case of limited transmission resource availability. The objective of my Ph.D. activity is to develop new optimization techniques for multimedia communications, considering emergency scenarios characterized by wireless connectivity.  Different criteria are defined in order to prioritize the available heterogeneous information before transmission. The proposed solutions are based on the modern concept of content/context awareness: the transmission parameters are optimized taking into account the informative content of the data and the general context in which the information sources are located. To this purpose, novel cross-layer adaptation strategies are proposed for multiple SVC videos delivered over wireless channel. The objective is to optimize the resource allocation dynamically adjusting the overall transmitted throughput to meet the actual available bandwidth.  After introducing a realistic camera network, some numerical results obtained with the proposed techniques are showed. In addition, through numerical simulations the benefits are showed, in terms of QoE, introduced by the proposed adaptive aggregation and transmission strategies applied in the context of emergency scenarios. The proposed solution is fully integrated in European research activities, including the FP7 ICT project CONCERTO. To implement, validate and demonstrate the functionalities of the proposed solutions, extensive transmission simulation campaigns are performed. Hence, the presented solutions are integrated on a common system simulator which is been developed within the CONCERTO project.
A unified formalism for modeling and reliability estimation of degrading systems
Creators: name: Riascos-Ochoa, Javier
name: Sánchez-Silva, Mauricio
name: Klutke, Georgia-Ann
Publisher: name: The University of British Columbia
Year: 2015

description: We present a framework to model degradation on deteriorating systems, and to find easy-to- evaluate expressions for important reliability quantities. The model allows to combine multiple degradation mechanisms in the form of shock-based degradation with arbitrary shock sizes and progressive degradation (as deterministic drift plus a gamma process, among others). In addition, the proposed approach can be used to obtain expressions for the reliability function, the mean and n-moments of the deterioration process Xᵼ, and the probability density and moments of the lifetime L. In this paper we also present a novel numerical method to compute these expressions, which is highly efficient and accurate. Furthermore, several deterioration models are compared in terms of the calculated reliability quantities, and the feasible moments of the deterioration Xᵼ. The results demonstrate the generality, versatility, efficiency and accuracy of the proposed framework, which can open a new productive research field in the area of probabilistic degradation models.
title: A smoothed finite elemente method for the static and free vibration analysis of shells
Creators: name: Nguyen-Thanh, Nhon
name: Rabczuk, Timon
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: A four-node quadrilateral shell element with smoothed membrane-bending based on Mindlin-Reissner theory is proposed. The element is a combination of a plate bending and membrane element. It is based on mixed interpolation where the bending and membrane stiffness matrices are calculated on the boundaries of the smoothing cells while the shear terms are approximated by independent interpolation functions in natural coordinates. The proposed element is robust, computationally inexpensive and free of locking. Since the integration is done on the element boundaries for the bending and membrane terms, the element is more accurate than the MITC4 element for distorted meshes. This will be demonstrated for several numerical examples.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
Supplementary document for Optical coherence microscopy with a split spectrum image reconstruction method for temporal-dynamics contrast-based imaging of intracellular motility - 6226527.pdf
Creators: name: Kang, Yong Guk
name: Canoy, Raymart Jay
name: Jang, Yongjun
name: Santos, Ana Rita
name: Son, Inwoo
name: Kim, Beop-Min
name: Park, Yongdoo
Publisher: name: Optica Publishing Group
Year: 2025
Subjects: Uncategorized

description: Supplemental Document
title: Influence of the abstraction level in kinematical models of finite element formulations
Creators: name: Nikulla, Susanne
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: Nonlinear analyses are characterised by approximations of the fundamental equations in different quality. Starting with a general description of nonlinear finite element formulation the fundamental equations are derived for plane truss elements. Special emphasis is placed on the determination of internal and external system energy as well as influence of different quality approaches for the displacement-strain relationship on solution quality. To simplify the solution procedure the nonlinear function describing the kinematics is expanded into a Taylor series and truncated after the n-th series term. The different kinematics influence speed of convergence as well as exactness of solution. On a simple truss structure this influence is shown. To assess the quality of different formulations concerning the nonlinear kinematic equation three approaches are discussed. First the overall internal and external energy is compared for different kinematical models. In a second step the energy content related to single terms describing displacement-strain relationship is investigated and used for quality control following two different paths. Based on single ε-terms an adaptive scheme is used to change the kinematical model depending on increasing nonlinearity of the structure. The solution quality has turned out satisfactory compared to the exact result. More detailed investigations are necessary to find criteria for the threshold values for the iterative process as well as for decision on number and step size of incremental load steps.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
Life-cycle maintenance, monitoring, and inspection optimization for ship structures under uncertainty
Creators: name: Soliman, Mohamed
name: Frangopol, Dan M.
name: Mondoro, Alysson
Publisher: name: The University of British Columbia
Year: 2015

description: This paper presents a probabilistic optimization approach for scheduling inspections, monitoring, and maintenance actions along the life-cycle of ships under fatigue deterioration. The optimization approach yields the optimum interventions times and types that facilitate the minimization of expected life-cycle maintenance and inspection cost, maximization of expected service life, and minimization of expected failure cost. Uncertainties associated with the performance prediction, service life estimation with and without maintenance, and the relationship between the degree of damage and the probability of damage detection are considered in the proposed approach. Computing the life-cycle cost, failure cost, and service life is based on an event tree model which takes into consideration the different outcomes of inspection and monitoring actions. The proposed approach is applied to a ship structure under fatigue deterioration.
title: On the generation of hierarchical meshes for multilevel FEM and BEM solvers from CAD data
Creators: name: Randrianarivony, Maharavo
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: As numerical techniques for solving PDE or integral equations become more sophisticated, treatments of the generation of the geometric inputs should also follow that numerical advancement. This document describes the preparation of CAD data so that they can later be applied to hierarchical BEM or FEM solvers. For the BEM case, the geometric data are described by surfaces which we want to decompose into several curved foursided patches. We show the treatment of untrimmed and trimmed surfaces. In particular, we provide prevention of smooth corners which are bad for diffeomorphism. Additionally, we consider the problem of characterizing whether a Coons map is a diffeomorphism from the unit square onto a planar domain delineated by four given curves. We aim primarily at having not only theoretically correct conditions but also practically efficient methods. As for FEM geometric preparation, we need to decompose a 3D solid into a set of curved tetrahedra. First, we describe some method of decomposition without adding too many Steiner points (additional points not belonging to the initial boundary nodes of the boundary surface). Then, we provide a methodology for efficiently checking whether a tetrahedral transfinite interpolation is regular. That is done by a combination of degree reduction technique and subdivision. Along with the method description, we report also on some interesting practical results from real CAD data.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
title: Nonlinear analysis of composite cross-sections with pre-deformations
Creators: name: Raue, Erich
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: An energy method based on the LAGRANGE Principle of the minimum of total potential en-ergy is presented to calculate the stresses and strains of composite cross-sections. The stress-strain relation of each partition of the cross-section can be an arbitrary piecewise continuous function. The strain energy is transformed into a line integral by GAUSS’s integral theorem. The total strain of each partition of the cross-section is split into load-dependent strain and pre-strain. Pre-strains have to be taken into account when the cross-section is pre-stressed, retrofit-ted or influenced by shrinkage, temperature etc. The unconstrained minimum problem can be solved for each load combination using standard software. The application of the method presented in the paper is demonstrated by means of examples.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
BEHIND FEAR
Creators: name: SORIO, LEA S.
Publisher: name: BINAS PUBLISHING
Year: 2025
Subjects: BEHIND FEAR

description: PACIFICUS: A Literary Magazine by Binas Publishing (Volume 1, Issue 1)

 

PACIFICUS is a literary magazine by Binas Publishing that celebrates the power of words through a diverse collection of poetry, short stories, essays, and creative works. With its inaugural issue, PACIFICUS Volume 1, Issue 1 sets the stage for a platform where writers and artists can share their voices, perspectives, and imagination.

 

This edition features compelling narratives, thought-provoking reflections, and artistic expressions that resonate with readers across different backgrounds. Whether exploring themes of identity, resilience, culture, or the human experience, PACIFICUS embodies the essence of storytelling that inspires and connects.

 

As a publication dedicated to fostering literary excellence, PACIFICUS aims to nurture emerging and established writers while enriching the literary landscape. Each issue aspires to be a testament to creativity, insight, and the enduring impact of literature.
title: Non-linear analysis of shells of revolution using mathematical optimisation
Creators: name: Raue, Erich
name: Timmler, Hans-Georg
name: Schröter, Hendrik
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: In the paper presented, reinforced concrete shells of revolution are analyzed in both meridional and circumferential directions. Taking into account the physical non-linearity of the material, the internal forces and the deflections of the shell as well as the strain distribution at the cross-sections are calculated. The behavior of concrete under compression is described by linear and non-linear stress-strain relations. The description of the behavior of concrete under tension must account for tension stiffening effects. A tri-linear function is used to formulate the material law of reinforcement. The problem cannot be solved analytically due to the physical non-linearity. Thus a numerical solution is formulated by means of the LAGRANGE Principle of the minimum of the total potential energy. The kinematically admissible field of deformation is defined by the displacements u in the meridional and w in the radial direction. These displacements must satisfy the equations of compatibility and the kinematical boundary conditions of the shell. The strains are linearly distributed across the wall thickness. The strain energy depends on the specific of the material behavior. Using integral formulations of the material law [1], the strain energy of each part of the cross-section is defined as a function of the strains at the boundaries of the cross-sections. The shell is discretised in the meridional direction. Various methods of numerical differentiation and numerical integration are applied in order to determine the deformations and the strain energy. The unknown displacements u and w are calculated by a non-restricted extremum problem based on the minimum of the total potential energy. From mathematical point of view, the objective function is a convex function, thus the minimum can be determined without difficulty. The advantage of this formulation is that unlike non-linear methods with path-following algorithms the calculation does not have to account for changing stiffness and load increments. All iterations necessary to find the solution are integrated into the “Solver”. The model presented provides many ways of investigating the influence of various material parameters on the stresses and deformations of the entire shell structure.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009
title: Evaluation of the analysis method for the design of frame structures
Creators: name: Reuter, Markus
Publisher: name: Bauhaus-Universität Weimar
Year: 2010
Subjects: subject: Angewandte Informatik
subject: Angewandte Mathematik
subject: Architektur
subject: Computerunterstütztes Verfahren
subject: 000
subject: 510

description: By the use of numerical methods and the rapid development of computer technology in the recent years, a large variety, complexity, refinement and capability of partial models have been achieved. This can be noticed in the evaluation of the reliability of structures, e.g. the increased use of spatial structural systems. For the different fields of civil engineering, well developed partial models already exist. Because these partial models are most often used separately, the general view is not entirely illustrated. Until now, there has been no common methodology for evaluating the efficiency of models; the trust in the prediction of a special engineering model has generally relied on the engineer’s experience. In this paper the basics of evaluation of simple models and coupled partial models of frame structures will be discussed using sustainable numerical methods. Furthermore, quality classes (levels) of design tasks will be defined based on their practical relevance. In addition, analysis methods will be systemized. After analysis of different published assessment methods, it may be noted, that the Efficiency Indicator Method (EWM) is most suitable for the observed evaluation problem. Therefore, the EWM was modified to the Model Efficiency Analysis (MEA) for the purpose of a holistic evaluation. The criteria are characterized by two groups, benefit and expenditure, and it is possible by calculating the quotient (benefit/expenditure) to make a statement about the efficiency of the observed models. Presently, the expenditure value is not a subject of investigation, and so the model efficiency is calculated only by the benefit value. This paper also contains the associated criteria catalog, different normalization methods, as well as weighting possibilities.
description: Internationales Kolloquium über Anwendungen der Informatik und Mathematik in Architektur und Bauwesen : 07. bis 09.07.2009, Bauhaus-Universität Weimar, vol. 18, 2009