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54 results for “Deflection”
Deflections of the s-FKLP model for validation purposes
<p>The test data included are for plate deflections obtained according to the s-FKLP model produced for model validation. The methodology and analysis of the obtained data is included in the Open Access article:</p> <p>Stempin, P.; Pawlak, T. P. & Sumelka, W.<br>Formulation of non-local space-fractional plate model and validation for composite micro-plates <br><em>International Journal of Engineering Science, </em><em>Elsevier BV, </em><strong>2023</strong><em>, 192</em>, 103932.</p> <p>DOI: https://doi.org/10.1016/j.ijengsci.2023.103932</p> <p> </p>
Data from: "Damage deflection and subsequent damage diffusion in carbon-boron fibre hybrid composites under longitudinal compression"
<p>The datset contains raw data used for the work presented in the journal paper "Damage deflection and subsequent damage diffusion in carbon-boron fibre hybrid composites under longitudinal compression".<br>Specifically, it contains machine recorded data and video recordings (either SEM or with optical microscope) of the compression tests on small scale single edge notched specimens made of IM7/8552 (carbon/epoxy) and HyBor 52 FPI (carbon-boron fibre hybrid composite). It also contains specimens pictures taken during and after the tests (including SEM and optical micrographs).</p> <p>For more details, please refer to the full paper.</p>
Data from Simulations of a Magnetic Shielding System to Deflect Background-Inducing Secondary Electrons away from Space-Based X-ray Detectors
<p>Data from simulations examining the effect of cosmic rays and secondary particles generated by them on background induced in an X-ray astronomy space telescope, and the effectiveness of a surrounding magnetic field at reducing this background.</p> <p>These simulations were performed for the paper “Effectiveness of a dual solenoid magnetic shield at reducing X-ray-like background in silicon-based X-ray detectors” (2023) published in the Journal of Astronomical Telescopes Instruments and Systems. The paper can also be found at https://openresearch.surrey.ac.uk/esploro/outputs/journalArticle/The-Effectiveness-of-a-Dual-Solenoid/99777566602346/filesAndLinks?forceView=true&mode=quickaccess&index=0 .</p> <p>This data was also used for the simulations and analysis described in the thesis "The Simulation, Composition and Shielding of Radiation-Induced X-ray-like Background in Space-Based X-ray Astronomy Missions" (2021), which can be found at <a href="https://doi.org/10.21954/ou.ro.00012e1f">https://doi.org/10.21954/ou.ro.00012e1f</a> .</p>
Wide-angle and simultaneously wideband blazing (deflection) enabling multifunctionality in metagratings comprising epsilon-near-zero materials
<p>Dataset for the selected figures from the publication.</p> <p>The research supported by Narodowe Centrum Nauki, project no UMO-2020/39/I/ST3/02413.</p>
Thermally mediated transmission-mode deflection of terahertz waves by lamellar metagratings containing a phase-change material
<p>The data generated by MATLAB, whcih were used to plot a part of the figures. </p> <p>Research supported by Narodowe Centrum Nauki, project no UMO-2020/39/I/ST3/02413.</p>
Dataset for "Deflected Mantle Flow and Shearing-aligned Lithospheric Melt under the Strike-slip Dead Sea Rift"
<p>Dataset 1: All of the individual shear-wave splitting measurements in the Dead Sea rift, including 1855 A and B measurements and 1088 Null measurements</p> <p>Dataset 2: Three component seismic waveforms used for shear-wave splitting measurement, for PKS, SKKS, and SKS, respectively</p> <p>Dataset 3: Earthquake catalogue with magnitude Mb 2.6 or above in the Dead Sea rift. Downloaded from the International Seismological Centre (https://www.isc.ac.uk/)</p> <p> Reference: International Seismological Centre (2024), On-line Bulletin, [Dataset] doi:10.31905/D808B830</p> <p>Dataset 4: Holocene Volcano List. Downloaded from Global Volcanism Program (https://volcano.si.edu/volcanolist_holocene.cfm)</p> <p> Reference: Global Volcanism Program, 2024. Volcanoes of the World (v. 5.2.2; 22 Aug 2024). Distributed by Smithsonian Institution, compiled by Venzke, E. [Database] doi:10.5479/si.GVP.VOTW5-2024.5.2</p>
Deflections of the s-FKLP model for parametric study purposes
<p>The test data included are for plate deflections obtained according to the s-FKLP model produced for parametric study purposes. The methodology and analysis of the obtained data is included in the Open Access article:</p> <p>Stempin, P.; Pawlak, T. P. & Sumelka, W.<br>Formulation of non-local space-fractional plate model and validation for composite micro-plates<br><em>International Journal of Engineering Science, </em><em>Elsevier BV, </em><strong>2023</strong><em>, 192</em>, 103932.</p> <p>DOI: https://doi.org/10.1016/j.ijengsci.2023.103932</p>
Turning lances into shields: Flower mantids stretch their raptorial forelegs to avert and deflect predator attack
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Detritus decorations as the extended phenotype deflect avian predator attack increasing fitness in an orb‐web spider
<ol> <li>A number of strategies that divert attacks of visually guided predators, such as birds, have evolved multiple times in animals. Detritus web decorations built by certain orb-web spider species are thought to deflect avian predator attacks away from spiders and towards their web decorations. Still, empirical evidence for this function and its adaptive significance is lacking. The orb-web spider, <i>Cyclosa monticola</i>,<i> </i>adorns its web using a linear detritus decoration consisting of moults, egg sacs, prey remains, and leaf litters.</li> <li>In the present study, we investigated whether detritus decorations constructed by <i>C. monticola</i> spiders<i> </i>divert attacks of avian predators away from spiders. We first employed colour modelling to compare spider bodies and detritus decoration colouration from the perspective of domestic chicks and blue tits. We then experimentally tested the deflection hypothesis in the laboratory using naïve chicks as predators. We put the chicks in a cage containing a web either with (S+) or without (S-) a spider and either with (D+) or without (D-) detritus decoration (a total of four types of webs: S+D+, S+D-, S-D+, and S-D-) under both natural habitat background and white background. </li> <li>We found that the colour of <i>C. monticola</i> spiders is indistinguishable from that of their detritus decorations for both chicks and blue tits with both backgrounds. Laboratory predation experiments showed that with both backgrounds, chicks attacked the spiders much less frequently when their decorations were present on the webs (S+D+; natural habitat: 20%, white background: 30%) than when their decorations were absent (S+D-; natural habitat: 95%, white background: 85%), resulting in greater spider survival advantage. </li> <li>We also found that the rate of attack of spiders and their decorations was not random; the decorations were more likely to be attacked than spiders, regardless of the ratio of surface area of decorations to spider bodies when both spiders and decorations were presented (S+D+). Therefore, our results support a deflection, rather than concealment hypothesis for web decorations.</li> <li>In conclusion, our study provides evidence that the extended phenotypes beyond the animal bodies, can divert avian predator attacks, therefore, may improve the fitness of animals.</li> </ol>
Data from "Evidence of attack deflection suggests adaptive evolution of wing tails in butterflies"
<p><span>Predation is a powerful selective force shaping many behavioural and morphological traits in prey species. The deflection of predator attacks from vital parts of the prey usually involves the coordinated evolution of prey body shape and colour. Here, we test the deflection effect of hindwing tails in the swallowtail butterfly <em>Iphiclides podalirius</em>. In this species, hindwings display long tails associated with a conspicuous colour pattern. By surveying the wings within a wild population of <em>I. podalirius</em>, we observed that wing damage was much more frequent on the tails. We then used a standardised behavioural assay employing dummy butterflies with real <em>I. podalirius </em>wings to study the location of attacks by great tits <em>Parus major.</em> Wing tails and conspicuous coloration of the hindwings were struck more often than the rest of the body by birds. Finally, we characterised the mechanical properties of fresh wings and found that the tail vein was more fragile than the others, suggesting facilitated escape ability of butterflies attacked at this location. Our results clearly support the deflective effect of hindwing tails and suggest that predation is an important selective driver of the evolution of wing tails and colour pattern in butterflies.</span></p>
Vertical wake deflection for floating wind turbines by differential ballast control
<pre>This paper presents a feasibility analysis of vertical wake steering for floating turbines by differential ballast control. This new concept is based on the idea of pitching the floater with respect to the watersurface, thereby achieving a desired tilt of the turbine rotor disk. The pitch attitude is controlled by moving water ballast among the columns of the floater. This study considers the application of differential ballast control to a conceptual 10~MW wind turbine installed on two platforms, differing in size, weight and geometry. The analysis considers: a) the aerodynamic effects caused by rotor tilt on the power capture of the wake-steering turbine and at various downstream distances in its wake; b) the effects of tilting on fatigue and ultimate loads, limitedly to one of the two turbine-platform layouts; and c) for both configurations, the necessary amount of water movement, the time to achieve a desired attitude and the associated energy expenditure. Results indicate that (in accordance with previous research) steering the wake towards the sea surface leads to larger power gains than steering it towards the sky. Limitedly to the structural analysis conducted on one of the turbine-platform configurations, it appears that these gains can be obtained with only minor effects on loads, assuming a cautious application of vertical steering only in benign ambient conditions. Additionally, it is found that rotor tilt can be achieved in the order of minutes for the lighter of the two configurations, with reasonable water ballast movements.Although the analysis is preliminary and limited to the specific cases considered here, results seem to suggest that the concept is not unrealistic, and should be further investigated as a possible means to achieve variable tilt control for vertical wake steering in floating turbines.</pre>
Unconfined gravity current interactions with oblique slopes: deflection, reflection and combined-flow behaviours
<p><span>Video 1. Annotated video illustrating the behaviour of density currents upon incidence with an oblique topographic slope (Experiment S40°IN75°). </span></p> <p><span> </span><span>Video 2. Annotated video illustrating the behaviour of density currents upon incidence with an oblique topographic slope (S40°IN60°). </span></p> <p><span> </span><span>Video 3. Annotated video illustrating the behaviour of density currents upon incidence with an oblique topographic slope (Experiment S40°IN15°). </span></p> <p><span> </span><span>Video 4. Annotated video illustrating the behaviour of density currents upon incidence with an oblique topographic slope (Experiment S30°IN75°). </span></p> <p><span> </span><span>Video 5. Annotated video illustrating the behaviour of density currents upon incidence with a flow-parallel topographic slope of 10° slope gradient.</span></p>
Detritus decorations as the extended phenotype deflect avian predator attack increasing fitness in an orb‐web spider
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Data from "Evidence of attack deflection suggests adaptive evolution of wing tails in butterflies"
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Supplementary material from: Fiddler crab claws work as a deflection antipredator defence
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Global Marine Gravity Gradient Tensor Inverted from Altimetry-derived Deflections of the Vertical: CUGB2023GRAD
<p>CUGB2023GRAD is a dataset consisting of all six components of Earth's gravity gradient tensor over the oceans. The gravity gradient tensor is inverted from 1 arc-minute grid of altimetry-derived north-south and east-west components of deflection of the vertical. CUGB2023GRAD has a longitudinal extent of 180° W ~180° E and a latitudinal extent of 80° S ~ 80° N.</p> <p>This version used a merge of deflections of the vertical (north_32.1.nc and east_32.1.nc) developed by Scripps Institution of Oceanography, and DTU21GRA-derived deflections of the vertical. DTU21GRA is a highly accurate gravity anomaly model developed by Technical University of Denmark. Both sets of deflections of the vertical were developed from multiple satellite altimetry observations which include: Jason-1, Jason-2, Cryosat-2, SARAL/AltiKa, and Sentinel-3A/B.</p>
FIGURE 14 in Solving the cryptic diversity of the genus Manerebia Staudinger in northern Peru description of new species and considerations on the biogeographical role of the Huancabamba Deflection (Nymphalidae: Satyrinae: Pronophilina)
FIGURE 14. The Bayesian implementation of the Poisson Tree Processes (bPTP) for delimiting species based on a fragment of COI mitochondrial gene.
FIGURE 11. Adults live and habitats A. M. prattorum udima n in Solving the cryptic diversity of the genus Manerebia Staudinger in northern Peru description of new species and considerations on the biogeographical role of the Huancabamba Deflection (Nymphalidae: Satyrinae: Pronophilina)
FIGURE 11. Adults live and habitats A. M. prattorum udima n. ssp. female, Peru, La Florida —via La Udima. Photo P. Boyer B. M. prattorum udima n. ssp. male, Peru, La Florida —via La Udima. Photo P. Boyer C. Abra de Porculla, view towards Pacific coast, type locality of M. punku. Photo T. Pyrcz
FIGURE 13 in Solving the cryptic diversity of the genus Manerebia Staudinger in northern Peru description of new species and considerations on the biogeographical role of the Huancabamba Deflection (Nymphalidae: Satyrinae: Pronophilina)
FIGURE 13. Maximum likelihood tree (ML) reconstructed from a fragment of COI mitochondrial gene. Ultrafast bootstrap support values indicated on nodes.
FIGURE 12 in Solving the cryptic diversity of the genus Manerebia Staudinger in northern Peru description of new species and considerations on the biogeographical role of the Huancabamba Deflection (Nymphalidae: Satyrinae: Pronophilina)
FIGURE 12. Bayesian Inference tree (BI) reconstructed from a fragment of COI mitochondrial gene. Posterior probability values indicated on nodes.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.