cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.30810239
title: Research on the regulatory mechanisms of flexible wing twisting motion on aerodynamic performance and energy recovery

description: Flapping wing micro aerial vehicles (FWMAVs) with flexible wings offer unique advantages across multiple scenarios due to their high energy efficiency and precision capabilities. This study explores the fluid-structure interaction (FSI) mechanisms and aerodynamic performance differences among three flexible wing motion patterns – passive twisting (PT), chordwise active twisting (CAT), and ‘Figure-8’ active twisting (FAT) – using a bidirectional FSI numerical simulation platform. A bionic wing model (aspect ratio <i>AR</i> = 3.86) and a Multiphysics-coupled framework were developed to evaluate the effects of dynamic wing torsion on lift and energy recovery. Results show that PT enhances aerodynamic performance by delaying flow separation and stabilising leading-edge vortices (LEVs). At 4 m/s, the average lift of flexible wings (FW) with PT is 6.31 times higher than that of rigid wings (RW). Active twisting strategies further improve efficiency: CAT increases average lift by 143% compared to PT at <i>θ<sub>max</sub></i> = 40°, while FAT achieves 14.9% energy recovery rate through wake capture and elastic potential energy release, with an elastic energy release rate 2.79 times higher than CAT. Vortex dynamics analysis reveals that active twisting optimises lift by enhancing LEV circulation and proximity to the wing surface. CAT strengthens LEV attachment near the wing root, while FAT stabilises vortices at the wingtip. This research provides insights into energy efficiency optimisation and active control strategies for FWMAVs, highlighting the benefits of flexible deformation and intelligent motion regulation in improving aerodynamic performance and energy management.
DOI: 10.6084/m9.figshare.30810239.v1
title: Research on the regulatory mechanisms of flexible wing twisting motion on aerodynamic performance and energy recovery

description: Flapping wing micro aerial vehicles (FWMAVs) with flexible wings offer unique advantages across multiple scenarios due to their high energy efficiency and precision capabilities. This study explores the fluid-structure interaction (FSI) mechanisms and aerodynamic performance differences among three flexible wing motion patterns – passive twisting (PT), chordwise active twisting (CAT), and ‘Figure-8’ active twisting (FAT) – using a bidirectional FSI numerical simulation platform. A bionic wing model (aspect ratio <i>AR</i> = 3.86) and a Multiphysics-coupled framework were developed to evaluate the effects of dynamic wing torsion on lift and energy recovery. Results show that PT enhances aerodynamic performance by delaying flow separation and stabilising leading-edge vortices (LEVs). At 4 m/s, the average lift of flexible wings (FW) with PT is 6.31 times higher than that of rigid wings (RW). Active twisting strategies further improve efficiency: CAT increases average lift by 143% compared to PT at <i>θ<sub>max</sub></i> = 40°, while FAT achieves 14.9% energy recovery rate through wake capture and elastic potential energy release, with an elastic energy release rate 2.79 times higher than CAT. Vortex dynamics analysis reveals that active twisting optimises lift by enhancing LEV circulation and proximity to the wing surface. CAT strengthens LEV attachment near the wing root, while FAT stabilises vortices at the wingtip. This research provides insights into energy efficiency optimisation and active control strategies for FWMAVs, highlighting the benefits of flexible deformation and intelligent motion regulation in improving aerodynamic performance and energy management.
DOI: 10.6084/m9.figshare.30269404
title: A surrogate model based on parametric neural network solvers for laminar flows around aerofoils

description: Physics-informed neural networks (PINNs) have emerged as a popular approach for solving forward, inverse, and parametric problems involving partial differential equations. However, their performance is often limited by ill-conditioning in optimization. To address this, time-stepping-oriented neural network (TSONN) reformulate the optimization process into a sequence of well-conditioned sub-problems, offering improved robustness and efficiency for complex scenarios. This paper presents a solver for laminar flow around aerofoils based on TSONN, validated across various test cases. Specifically, the solver achieves mean relative errors of approximately 4.1% for lift coefficients and 2.2% for drag coefficients. Furthermore, this paper extends the solver to parametric problems involving flow conditions and aerofoils shapes, covering nearly all laminar flow scenarios in engineering. The parametric solver solves all laminar flows within the parameter space in just 4.6 day, at approximately 40 times the computational cost of solving a single flow. The model training involves hundreds of millions of flow conditions and aerofoil shapes, ultimately yielding a surrogate model with strong generalization capability that does not require labelled data. The surrogate model achieves average errors of 4.4% for lift coefficients and 1.7% for drag coefficients, highlighting its high generalizability and cost-effectiveness for high-dimensional parametric problems and surrogate modelling.
DOI: 10.6084/m9.figshare.30269404.v1
title: A surrogate model based on parametric neural network solvers for laminar flows around aerofoils

description: Physics-informed neural networks (PINNs) have emerged as a popular approach for solving forward, inverse, and parametric problems involving partial differential equations. However, their performance is often limited by ill-conditioning in optimization. To address this, time-stepping-oriented neural network (TSONN) reformulate the optimization process into a sequence of well-conditioned sub-problems, offering improved robustness and efficiency for complex scenarios. This paper presents a solver for laminar flow around aerofoils based on TSONN, validated across various test cases. Specifically, the solver achieves mean relative errors of approximately 4.1% for lift coefficients and 2.2% for drag coefficients. Furthermore, this paper extends the solver to parametric problems involving flow conditions and aerofoils shapes, covering nearly all laminar flow scenarios in engineering. The parametric solver solves all laminar flows within the parameter space in just 4.6 day, at approximately 40 times the computational cost of solving a single flow. The model training involves hundreds of millions of flow conditions and aerofoil shapes, ultimately yielding a surrogate model with strong generalization capability that does not require labelled data. The surrogate model achieves average errors of 4.4% for lift coefficients and 1.7% for drag coefficients, highlighting its high generalizability and cost-effectiveness for high-dimensional parametric problems and surrogate modelling.
DOI: 10.6084/m9.figshare.30172371
title: Dynamic docking strategies for a bioinspired AUV

description: AUV docking and recovery pose several challenges operationally. The procedure requires the mothership to stop and remain stationary, an impractical demand in harsh offshore environments; hence a recovery system capable of retrieving an AUV while the mothership is under way is needed. Inspired by the unique attachment behaviour of the remora fish, a dynamic recovery solution, including the vehicle design and the dynamic docking strategy, was previously developed. This study investigates three potential dynamic recovery paths, i.e. Approach, Capture and Chase, aiming to investigate the forces and motions during the docking process. Detailed Computational Fluid Dynamics (CFD) simulations were performed using a body-body interaction model integrated into the Dynamic Fluid Body Interaction (DFBI) model to capture the behaviour of AUV and the mother vehicle during docking. The findings highlight an optimal dynamic recovery path and provide a comprehensive analysis of the forces and motion dynamics experienced by the AUV, accounting for fully coupled fluid-structural interactions. These insights provide a foundation for further development of this innovative underwater dynamic recovery strategy, supporting advancements in AUV design and operation.
DOI: 10.6084/m9.figshare.30172371.v1
title: Dynamic docking strategies for a bioinspired AUV

description: AUV docking and recovery pose several challenges operationally. The procedure requires the mothership to stop and remain stationary, an impractical demand in harsh offshore environments; hence a recovery system capable of retrieving an AUV while the mothership is under way is needed. Inspired by the unique attachment behaviour of the remora fish, a dynamic recovery solution, including the vehicle design and the dynamic docking strategy, was previously developed. This study investigates three potential dynamic recovery paths, i.e. Approach, Capture and Chase, aiming to investigate the forces and motions during the docking process. Detailed Computational Fluid Dynamics (CFD) simulations were performed using a body-body interaction model integrated into the Dynamic Fluid Body Interaction (DFBI) model to capture the behaviour of AUV and the mother vehicle during docking. The findings highlight an optimal dynamic recovery path and provide a comprehensive analysis of the forces and motion dynamics experienced by the AUV, accounting for fully coupled fluid-structural interactions. These insights provide a foundation for further development of this innovative underwater dynamic recovery strategy, supporting advancements in AUV design and operation.
DOI: 10.15468/dl.rsh4wm
title: Occurrence Download

description: A dataset containing 27 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Semivermilia crenata",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 27 records from 5 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038757-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.17026/ar/c7ukwc
title: PAN-00095750 - rim fragment (pottery vessel)

description: &lt;p&gt;This find is registered at Portable Antiquities of the Netherlands with number PAN-00095750&lt;/p&gt;
description: Modified: 2025-10-31T10:20:24+01:00
DOI: 10.15468/dl.qd5gaz
title: Occurrence Download

description: A dataset containing 3657 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Chlosyne ehrenbergii"
 ]
}

 The dataset includes 3657 records from 28 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038758-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.x6fu2f
title: Occurrence Download

description: A dataset containing 2137 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Phyciodes pallescens"
 ]
}

 The dataset includes 2137 records from 13 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038760-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.7afqe4
title: Occurrence Download

description: A dataset containing 19421 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Nyctalus lasiopterus",
 "HasCoordinate is TRUE"
 ]
}

 The dataset includes 19421 records from 394 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038759-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.17026/ar/xb5hee
title: PAN-00174136 - smooth ware jug type St. 109

description: &lt;p&gt;This find is registered at Portable Antiquities of the Netherlands with number PAN-00174136&lt;/p&gt;
description: Modified: 2025-10-21T10:36:00+02:00
DOI: 10.15468/dl.w38psj
title: Occurrence Download

description: A dataset containing 10 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Semivermilia cribrata",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 10 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038761-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.18739/a2833n13k
title: Wetland plant functional trait responses to experimental warming and flooding, Yukon-Kuskokwim Delta (Western Alaska, USA) (2022-2023)

description: This dataset was created to understand plant trait responses to warming and flooding in the Yukon-Kuskokwim (Y-K) Delta (western Alaska, USA). We conducted a two-year field experiment in which we passively increased temperatures, simulated periodic tidal flooding at two intensity levels (low and high) during the 2022 and 2023 summer growing season. Our treatments reflect changes expected in the Y-K Delta in the next 10-20 years. We conducted the experiment in a wet sedge-shrub meadow and only sampled the dominant species in this community. At the end of the 2023 season, we measured economics traits (specific leaf area, leaf dry matter content, specific stem density) and size-related traits (height, leaf area, leaf thickness) in four focal species: the dominant sedge Carex rariflora, the dominant deciduous dwarf-shrub Salix fuscescens, the most abundant grass, Calamagrostis canadensis, and the most abundant forb, Potentilla palustris. We also measured additional traits related to seasonal growth, reproduction, and reproductive phenology to capture species temporal responses to warming and flooding in the two most dominant species. These included vegetative height over time, number of reproductive structures, reproductive structure length, reproductive shoot height (Carex only), and reproductive phenological stages (Salix only).
DOI: 10.15468/dl.nkwb79
title: Occurrence Download

description: A dataset containing 1422 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Limenitis arthemis arizonensis"
 ]
}

 The dataset includes 1422 records from 23 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038762-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.n58adq
title: Occurrence Download

description: A dataset containing 10 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "BasisOfRecord is one of (Human Observation, Specimen)",
 "TaxonKey is Vriesea hydrophora"
 ]
}

 The dataset includes 10 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038763-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.17026/ar/tv7dwp
title: PAN-00122572 - coin/coin-related, sceatta continental rune

description: &lt;p&gt;This find is registered at Portable Antiquities of the Netherlands with number PAN-00122572&lt;/p&gt;
description: Modified: 2025-10-21T08:33:33+02:00
DOI: 10.15468/dl.jatb6s
title: Occurrence Download

description: A dataset containing 13692 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Coccinellidae",
 {
 "or" : [
 {
 "and" : [
 "StateProvince is Vermont",
 "HasCoordinate is FALSE"
 ]
 },
 "GadmGid is USA.46_1"
 ]
 }
 ]
}

 The dataset includes 13692 records from 19 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038767-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gjfmzg
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Nycticebus bancanus",
 "HasCoordinate is TRUE"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038764-251120083545085/datasets/export for details.
DOI: 10.5281/zenodo.17822332
title: Genetic and Cortical Cell-Type Liability Architecture of Autism: Additional data

description: Autism Spectrum Disorders (ASD) can result from rare genetic variants interfering with brain development. Whether their effects converge on specific cortical cell types remains unresolved. Previous studies have focused on a narrow set of high-confidence ASD (hcASD) genes, which were enriched in neuronal cell types during prenatal development. By contrast, studies of postnatal cerebral cortex have repeatedly associated ASD with transcriptional changes in both neurons and glia.

To comprehensively map ASD genetic liability across cortical cell types, we conducted a functional genetic burden analysis with 124,416 individuals, including ASD probands and unaffected family members. We examined six classes of rare gene-disrupting variants aggregated across a complete spectrum of transcriptomic cell types of the human prefrontal cortex throughout development. 

We show that cellular liabilities in ASD delineate a broad and developmentally dynamic architecture. Likewise, we uncover high dependency on classes of variants with Loss-of-Function (LoF) and de novo linked to prenatal cells, while duplications, missense, and inherited variants increase liability through postnatal and glial cell types. Notably, inherited LoF variants uncover the contribution of microglia to ASD liability, also supported by transcriptomic evidence from postmortem ASD brains. Finally, we show that overall, variants disrupting genes differentially expressed in postmortem ASD brains significantly contribute to ASD liability, demonstrating convergence between disrupted transcriptomes and genetic liability. Together, our study offers an integrative, cell-type-aware framework for interpreting ASD risk genetics.
DOI: 10.5281/zenodo.17822333
title: Genetic and Cortical Cell-Type Liability Architecture of Autism: Additional data

description: Autism Spectrum Disorders (ASD) can result from rare genetic variants interfering with brain development. Whether their effects converge on specific cortical cell types remains unresolved. Previous studies have focused on a narrow set of high-confidence ASD (hcASD) genes, which were enriched in neuronal cell types during prenatal development. By contrast, studies of postnatal cerebral cortex have repeatedly associated ASD with transcriptional changes in both neurons and glia.

To comprehensively map ASD genetic liability across cortical cell types, we conducted a functional genetic burden analysis with 124,416 individuals, including ASD probands and unaffected family members. We examined six classes of rare gene-disrupting variants aggregated across a complete spectrum of transcriptomic cell types of the human prefrontal cortex throughout development. 

We show that cellular liabilities in ASD delineate a broad and developmentally dynamic architecture. Likewise, we uncover high dependency on classes of variants with Loss-of-Function (LoF) and de novo linked to prenatal cells, while duplications, missense, and inherited variants increase liability through postnatal and glial cell types. Notably, inherited LoF variants uncover the contribution of microglia to ASD liability, also supported by transcriptomic evidence from postmortem ASD brains. Finally, we show that overall, variants disrupting genes differentially expressed in postmortem ASD brains significantly contribute to ASD liability, demonstrating convergence between disrupted transcriptomes and genetic liability. Together, our study offers an integrative, cell-type-aware framework for interpreting ASD risk genetics.
DOI: 10.15468/dl.r6h3av
title: Occurrence Download

description: A dataset containing 14 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Semivermilia pomatostegoides",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 14 records from 4 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038768-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9xz469
title: Occurrence Download

description: A dataset containing 700 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Chlosyne definita"
 ]
}

 The dataset includes 700 records from 30 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038766-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.cfxcec
title: Occurrence Download

description: A dataset containing 696624 species occurrences available in GBIF matching the query:
{
 "and" : [
 "DatasetKey is iNaturalist Research-grade Observations",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Country is one of (Canada, Mexico, United States of America)",
 "EventDate is greater than or equal to 2025-10-13",
 "EventDate is less than or equal to 2025-11-12",
 {
 "not" : {
 "Issue" : [
 "is one of (Basis of record invalid, Coordinate reprojection failed, Coordinate reprojection suspicious, Coordinate precision invalid, Coordinate uncertainty meters invalid, Country mismatch, Country invalid, Geodetic datum invalid, Presumed swapped coordinate, Presumed negated longitude, Presumed negated latitude, Country coordinate mismatch)"
 ]
 }
 },
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 696624 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038745-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5067/wfc/calipso/cal_wfc_l1_cal-standard-v4-00
title: CALIPSO Wide Field Camera Level 1B Calibration data, V4-00
DOI: 10.15468/dl.8kbtbn
title: Occurrence Download

description: A dataset containing 593 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Phyciodes phaon phaon"
 ]
}

 The dataset includes 593 records from 16 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038769-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.7ah23y
title: Occurrence Download

description: A dataset containing 916004 species occurrences available in GBIF matching the query:
{
 "Country" : [
 "is Gabon"
 ]
}

 The dataset includes 916004 records from 862 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0038729-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.s82cpa
title: Occurrence Download

description: A dataset containing 4568 species occurrences available in GBIF matching the query:
{
 "DatasetKey" : [
 "is Base de datos de las regiones prioritarias 113 y 120 en los municipios de Zirándaro y Coahuayutla (Guerrero)"
 ]
}

 The dataset includes 4568 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0031984-160910150852091/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.