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Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse. Sort by: Popularity Popularity Date Published Design and Stress Analysis of a General Aviation Aircraft Wing G. Atmeh[1], F. Darwish[1], and Z. Hasan[2] [1]Jordan University of Science and Technology, Irbid, Jordan [2]Texas A&M University, College Station, TX, USA The present study focuses on the design and analysis of a single-engine, propeller-driven general aviation airplane. Initial weight estimation based on the initial sketch and the design mission profile is conducted. The estimated weight and other design parameters are used to define the external geometry of the fuselage, wing and tail. Conic lofting is utilized to render a layout of the design ... Influence of Air Gap Length and Cross-Section on Magnetic Circuit Parameters - new A. Polit[1], R. Jez[1] [1]ABB Corporate Research Center, Krakow, Poland The air gap is one of the most crucial part of magnetic circuits, especially in high-power inductors. It significantly modifies the parameters of magnetic devices by increasing the saturation current, linearizing B-H curve of magnetic circuit and causing a decreasing in the inductance. Therefore the optimal selection of shape and dimensions of the air gap is very important from the design point ... Modeling of Chloride Transport in Cracked Concrete: a 3-D Image–Based Microstructure Simulation Y. Lu[1], E. Garboczi[1], D. Bentz[1] [1]National Institute of Standards and Technology, Gaithersburg, MD, USA The prediction of concrete materials service life is not easy, because the complex heterogeneous microstructure and the random nature of concrete materials. Study the presence of cracks in concrete and their effect on coupled reaction and transport are of great interest in civil engineering. Cracks with different widths and depths will reduce the cover thickness and accelerate the migration of ... Multiphysics Simulations of Automotive Muffler A. Prasad [1], R. C Thiagarajan [1], [1] ATOA Scientific Technologies, Bengaluru, India This paper deals with the numerical experiments for early prediction of muffler performance at the design stage. In this experiment, a Reactive Muffler is developed and validated numerically compared to traditional built and test process. Study of Effect on Resonance Frequency of Piezoelectric Unimorph Cantilever for Energy Harvesting G. R. Prakash[1], K. M. V. Swamy[1], S. Huddar[1], B. G. Sheeparamatti[1], Kirankumar B. B.[1] [1]Basaveshwar Engineering College, Bagalkot, Karnataka, India The focus of this paper is to study the effect on resonance frequency and power enhancement techniques[1] of piezoelectric MEMS and modeling, design, and optimization of a piezoelectric generator based on a two-layer bending element(Figure 1) using COMSOL Multiphysics. An analytical relation was developed based on the shift in resonance frequency(Figure 2) caused by the addition of a thin film ... Mie Scattering of Electromagnetic Waves J. Crompton[1], S. Yushanov[1], K. Koppenhoefer[1] [1]AltaSim Technologies, Columbus, OH, USA The Mie solution to the scattering of electromagnetic waves by spherical particles has been examined using COMSOL Multiphysics®. The results assume elastic scattering only and do not include Brillouin or Raman scattering. The nature of the interaction has been considered for materials with three different properties: metallic, magnetic and dielectric. The solutions provide details of the ... Theory of Proportional Solenoids and Magnetic Force Calculation Using COMSOL Multiphysics O. Vogel, and J. Ulm Heilbronn University Campus Künzelsau Künzelsau, Germany Proportional solenoids are well-known and used in a wide range of applications today. This paper is about methods of influencing the characteristic force-stroke-curves of magnetic actuators by means of different pole geometries. The conical design of the stator pole which is mostly used to accomplish proportional solenoids is analyzed by both a simple analytic reluctance model and a FEM model ... Exploratory FEM-Based Multiphysics Oxygen Transport and Cell Viability Models for Isolated Pancreatic Islets P. Buchwald Diabetes Research Institute and the Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, Miami, FL, USA Cellular-level oxygen consumption and cell viability models incorporating physiologically realistic assumptions and fully scaled 2D/3D geometries have been implemented in COMSOL Multiphysics for isolated pancreatic islets. Oxygen consumption was assumed to follow Michaelis-Menten–type kinetics and to cease when local concentrations fell below a critical threshold. Results are in good agreement ... Analysis of Burning Candle J.S. Crompton, L.T. Gritter, S.Y. Yushanov, and K.C. Koppenhoefer AltaSim Technologies LLC, Columbus, OH, USA Analysis of burning candles is extremely complex; combustion produces a highly non-linear temperature profile through the flame in which local temperatures may exceed 1400 °C. Heat transfer includes radiation, conduction and convection components and the low melting point of the candle wax leads to a phase change that allows mass transport via capillary flow prior to combustion in the flame. ... Numerical Study and Simulation in COMSOL Multiphysics of the Dilution Process during Dust Sampling in Dry Machining B. Wenga-Ntcheping[1], A. Djebara[1], R. Kamguem[1], J. Kouam[1], V. Songmene[1] [1]University of Quebec-École de Technologie Supérieure, Montreal, Canada Dilution’s issue during dry machining have raised the interest’s environmental researchers and engineers. In fact, the sampling of dust emitted during dry machining was a serious problem for air quality evaluation at the workplace. Furthermore, the best sampling of fine and ultrafine particles produced during material cutting, passed through the dilution of high particle concentration (number, ... 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