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41 results for “experimental data, simulation data”
Data from: Experimentally simulating the evolution-to-ecology connection: Divergent predator morphologies alter natural food webs
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STEG data of manuscript "Electrical Generation of a Ground Level Solar Thermoelectric Generator: Experimental Tests and One-year Cycle Simulation" submitted to Energies
<p>Figure_7_data: laboratory data of TEG output power working at low temperature differences. Data used in Figure 7 of manuscript "Electrical Generation of a Ground Level Solar Thermoelectric Generator: Experimental Tests and One-year Cycle Simulation" submitted to Energies.</p> <p>Figure_9_data: experimental data of TEG temperature differences from July 24 to July 31, 2017. Data used in Figure 9 of manuscript "Electrical Generation of a Ground Level Solar Thermoelectric Generator: Experimental Tests and One-year Cycle Simulation" submitted to Energies.</p> <p>Figures_11_14_data: input and output data of the STEG model. One-year cycle data. Used to obtain figures 11 to 14 of manuscript "Electrical Generation of a Ground Level Solar Thermoelectric Generator: Experimental Tests and One-year Cycle Simulation" submitted to Energies</p>
Experimental Data for "Seismic wave attenuation and dispersion due to partial fluid saturation: Direct measurements and numerical simulations based on X-Ray CT"
<p>Experimental Data from a Berea sandstone sample. Includes X-ray CT scans and mechanical response of sample.</p> <p>Abstract</p> <p>Quantitatively assessing seismic attenuation caused by fluid pressure diffusion (FPD) in partially saturated rocks is challenging because of its sensitivity to the spatial fluid distribution. To address this challenge we performed depressurisation experiments to induce the exsolution of carbon dioxide from water in a Berea sandstone sample. In a first set of experiments we used medical X-ray computed tomography (CT) to characterise the fluid distribution. At an equilibrium pressure of ~1 MPa and applying a fluid pressure decline rate of ~0.6 MPa per minute, we allowed a change in saturation of less than 1 %. The gas was heterogeneously distributed along the length of the sample, with most of the gas exsolving near the sample outlet. In a second set of experiments, at the same pressure and temperature, following a very similar exsolution protocol, we measured the frequency dependent attenuation and modulus dispersion between 0.1 and 1000 Hz using the forced oscillation method. We observed significant attenuation and dispersion in the extensional and bulk deformation modes, however not in the shear mode. Lastly, we use the fluid distribution derived from the X-ray CT as an input for numerical simulations of FPD to compute the attenuation and modulus dispersion. The numerical solutions are in close agreement with the attenuation and modulus dispersion measured in the laboratory. Our methodology allows for accurately relating attenuation and dispersion to the fluid distribution, which can be applied to improving the seismic monitoring of the subsurface.</p>
Second Harmonic Generation from Grating-Coupled Hybrid Plasmon-Phonon Polaritons - Experimental and Simulation Data
<p>Experimental and simulation data for "Second Harmonic Generation from Grating-Coupled Hybrid Plasmon-Phonon Polaritons" by Marcel Kohlmann et al., recently (10/22) accepted for publication in Applied Physics Letters. A preprint is available on the <a href="https://arxiv.org/abs/2209.00375">arXiv</a>. </p> <p>Content:<br> We provide matlab code to generate the figures from the experimental and simulated data.</p> <p>fig1.m: generates fig1c,d of the paper<br> fig2_4.m generates fig 2 and 4<br> fig3.m generates fig3</p> <p>experimental_data.zip contains all experimental data, please unzip before running the scripts<br> comsol_data.zip contains all Comsol simulation output data. Please unzip before running the scripts.</p> <p>The remaining matlab scripts are needed in the process. "passler_epsTarray_generator.m" is also part of the transfer matrix implementation available on <a href="https://doi.org/10.5281/zenodo.7034720">Zenodo</a>.</p> <p>Please contact <a href="mailto:alexander.paarmann@fhi-berlin.mpg.de">Alex Paarmann</a> for any questions.</p>
Conduction thermography - experimental data and simulations - preliminary results
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Experimental and simulation data from Stransky et al. "Ionization by XFEL radiation produces distinct structure in liquid water"
<p>This deposition contains two separate gzipped tarballs:</p> <ol> <li><strong>preprocessed_diffraction_data.tar.gz</strong><br>pre-processed diffraction data, specifically I(q) traces for each X-ray pulse along with associated metadata</li> <li><strong>XMDYN_simulations.tar.gz</strong><br>simulation trajectories produced by the XMDYN code that describe water ionization following an intense X-ray pulse</li> </ol> <p>In more detail, the <strong>preprocessed_diffraction_data.tar.gz</strong> contains 36 HDF5 files, each corresponding to a single LCLS run. Each HDF5 contains the following data arrays:</p> <pre><code>ebeam Group event_time Dataset {8674/Inf} evr Group fiducials Dataset {8674/Inf} gas_detector Group phase_cav Group probe_energy Dataset {8674/Inf} probe_mag Dataset {8674/Inf} pump_energy Dataset {8674/Inf} pump_mag Dataset {8674/Inf} radial_profile Dataset {8674/Inf, 500} radial_profile_qvalues Dataset {500/8192}</code></pre> <p>The X contains trajectories for 7 different simulations, each in a separate directory. These top level directories are named according to simulation parameters:</p> <div>sim<BOX_SIZE>A_<probe_delay[fs]/singl>_<fraction_of_nominal_fluence></div> <div> </div> <div>Box sizes are in [Å], probe delay is in [fs] or there is only single pulse, 1.00 is the nominal fluence.</div> <div> </div> <div>Each of these directories contain subdirectories recording snapshots every 5 fs.</div> <div>The subdirectory name is the snapshot time in attoseconds.</div> <div>The simulation starts at 0 fs, the pump pulse is centered at the time 30 fs.</div> <div>That means that if there is a probe pulse with delay of 110 fs, it is centered</div> <div>at 140 fs.</div> <div> </div> <div>The snapshot directories contain 6 text files:</div> <ul> <li><strong>econf.dat</strong> : list of all atomic configurations observed in the simulation snapshot, each line starts with the atomic Z, followed by the electron configuration</li> <li><strong>T.dat</strong> : the electronic configuration for each particle in the simulation, in the form of a list of indices. The n-th element of the list indicates the electronic configuration of the n-th particle in the simulation by specifying a line in econf.dat. For instance, if the 10th element is "0", it indicates the 10th simulated particle has the electronic configuration written on the first line of econf.dat</li> <li><strong>Z.dat</strong> : sequence of atomic numbers for all simulated atoms.</li> <li><strong>q.dat</strong> : charge of atoms in elementary charge units (redundant data).</li> <li><strong>r.dat</strong> : cartesian position in [m], each atom position on one line.</li> <li><strong>v.dat</strong> : velocity components in [m/s], each atom on one line.</li> </ul>
Data for Quantitative Validation of Hypervelocity Impact Simulations Using Experimental Image Data
<p>Raw data used to generate the results in the publication, "Quantitative Validation of Hypervelocity Impact Simulations Using Experimental Image Data". Data consists of node positions from SPH simulations and experimental data images.</p>
Experimental and simulation data of electrothermal coupling
<p>Experimental and simulation data of electrothermal coupling.</p>
Experimental and Simulation data for the molecular mechanism of temperature-dependent phase separation of HSF1
<p>1. lmp_datatfile</p> <p>The documents contain the LAMMPS input datafiles of initial configuration used to run all simulations, including single chain, trimer(LZ1-3-RD), and RD systems.</p> <p>2.Experimental data.</p> <p>The documents contain original ucsf data</p>
Simulated and Experimental Magnetic Resonance Data of Fentanyl HCl
<p><span>This data consists of simulations and experimental measurements of solid-state nuclear magnetic resonance (SSNMR) spectroscopy, fast-field cycling (FFC) NMR spectroscopy, and nuclear quadrupole resonance (NQR) spectroscopy of fentanyl HCl. <sup>14</sup>N and <sup>35</sup>Cl SSNMR data are included as the topspin binary format. <sup>1</sup>H FFC NMR data are included as the sdf format. <sup>14</sup>N NQR data of both NQR spectra are included as the tnt format. Simulated <sup>14</sup>N and <sup>35</sup>Cl SSNMR data from QUEST are included in an exported topspin binary format. Simulated <sup>14</sup>N SSNMR data from SIMPSON is included in the SIMPSON fid format. Simulated Zeeman-perturbed NQR from SPINACH is included as a csv. In all cases post-processed data are also included in the form of csv files for easy viewing by readers. Each csv typically has the first column as a vector of frequencies and the second column as the processed NMR data.</span></p>
Data of Numerical simulation data and experimental data for vertical mixing schemes
<p>This dataset contains the Numerical simulation data and experimental data in paper_data file. The new scheme is saved in the 'mypackage' folder in paper_code file.</p>
Data for publication - Design, simulation and experimental analysis of a monolithic bending section for enhanced maneuverability of single use laparoscopic devices
<p>The dataset contains all processed data and raw data which are used for the publication "<em>Design, simulation and experimental analysis of a monolithic bending section for enhanced maneuverability of single use laparoscopic devices</em>"</p>
Controlling the Propagation Asymmetry of Hyperbolic Shear Polaritons in Beta-Gallium Oxide - experimental and simulation data
<p>Experimental and simulation data for "Controlling the Propagation Asymmetry of Hyperbolic Shear Polaritons in Beta-Gallium Oxide" by J. Matson et al. accepted for publication in Nature Communications, preprint https://doi.org/10.21203/rs.3.rs-2365178/v1.</p> <p>Each Zip file contains the Matlab Figure files and Gwyddion sSNOM data files for each subplot as shown in the manuscript.</p> <p>For questions please contact A. Paarmann, alexander.paarmann@fhi-berlin.mpg.de</p>
Data from: Demographic stochasticity alters expected outcomes in experimental and simulated non-neutral communities
Theory has shown that the effects of demographic stochasticity on communities may depend on the magnitude of fitness differences between species. In particular, it has been suggested that demographic stochasticity has the potential to significantly alter competitive outcomes when fitness differences are small (nearly neutral), but that it has minimal effects when fitness differences are large (highly non-neutral). Here we test such theory experimentally and extend it to examine how demographic stochasticity affects exclusion frequency and mean densities of consumers in simple, but non-neutral, consumer-resource communities. We used experimental microcosms of protists and rotifers feeding on a bacterial resource to test how varying absolute population sizes (a driver of demographic stochasticity) affected the probability of competitive exclusion of the weakest competitor. To explore whether demographic stochasticity could explain our experimental results, and to generalize beyond our experiment, we paired the experiment with a continuous-time stochastic model of resource competition, which we simulated for 11 different fitness inequalities between competiting consumers. Consistent with theory, in both our experiments and our simulations we found that demographic stochasticity altered competitive outcomes in communities where fitness differences were small. However, we also found that demographic stochasticity alone could affect communities in other ways, even when fitness differences between competitors were large. Specifically, demographic stochasticity altered mean densities of both weak and strong competitors in experimental and simulated communities. These findings highlight how demographic stochasticity can change both competitive outcomes in non-neutral communities and the processes underlying overall community dynamics.
Simulation and experimental data of frequency domain and time domain optical signal measurements for optical network digital twins
<p>The dataset contains IQ optical constellation samples for 16-QAM optical connections. Data have been generated both experimentally and through simulations with a MATLAB-based simulator. Different configurations have been simulated: 62 lightpaths having a different number of spans and links and 4 soft-failures affecting a lightpath with increasing failure magnitude.</p>
Simulation (static & dynamic) and experimental (dynamic) raw data for evaluating the performance of the developed adaptive MPPT algorithm
<p>Open access to experimental data generated by the project Electro-Intrusion (101017858, Horizon 2020, European Union) along with the research on the developed adaptive maximum power point tracking (MPPT) algorithm to achieve boosting efficiency in heterogeneous power scenarios. As part of the project’s work packages (specifically WP4), the published work presented here introduces the development of a chip and corresponding algorithm designed to efficiently convert energy harvested by the regenerative shock absorber into stable DC electricity.</p> <p>Underlying data for the publication Zhao, W. et al. Adaptive MPPT: Boosting efficiency in heterogeneous power scenarios. Sustainable Energy Technologies and Assessments, 2024, 67, 103843. https://doi.org/10.1016/j.seta.2024.103843. Data related to Figures 1b, 4, 5, and 7 in the article.</p> <p>Contact Person: Dr. Weiwei Zhao (Birmingham Centre for Energy Storage, University of Birmingham).</p> <p>ORCID: https://orcid.org/0000-0001-9708-4252</p>
Data from: Demographic stochasticity alters expected outcomes in experimental and simulated non-neutral communities
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Data from: Experimentally simulating warmer and wetter climate additively improves rangeland quality on the Tibetan Plateau
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ICESat-2 Pre-Launch Simulated Multiple Altimeter Beam Experimental Lidar Advanced Topographic Laser Altimeter System (MATLAS) Data, Version 2
Multiple Altimeter Beam Experimental Lidar (MABEL) Advanced Topographic Laser Altimeter System (MATLAS) simulates the expected performance of the ICESat-2 ATLAS instrument. The data are produced from MABEL data by adjusting the detected number of signal and noise photons to that predicted using ATLAS instrument model design cases. Each data file consists of approximately 1 minute of HDF5-derived MABEL data.
ATOMIC Simulations and Experimental Data for Sodium and Copper Mixtures
<p>This data consists of simulations and experimental measurements of laser-induced breakdown spectroscopy (LIBS). The simulations are produced by ATOMIC, a general purpose plasma modeling and kinetics code that has been designed to compute emission (or absorption) spectra from plasmas [1]. Our overall suite of simulations contains 12 sets of simulations: training and validation sets of simulations for each of two resolutions of each of sodium, copper, and mixtures of the two. The training data were produced using a 500-run design that varies input parameters temperature (T), electron density (Ne), proportion of sodium (pNa), and proportion of copper (pCu). The latter two variables sum to one and are unused in the single-element simulations. The validation data was produced with a 25-run design. The coarse simulations produce spectra over a range of 240nm - 880nm that roughly mimics the range collected by the ChemCam instrument on the Mars rover Curiosity. The fine resolution simulations produce spectra over a range of 550nm to 600nm and were produced to mimic the included experimental results. The experimental results cover four mixtures of sodium and copper. All data sets are kept in zip files whose names indicate the elemental composition (NaCu, Na, or Cu), resolution (coarse or fine), and purpose (training or validation) with file names numbered to indicate the line in the design files used to produce the simulation. The designs are provided as text files with names indicating their purpose. The experimental data is provided as a CSV file. See attached abstract for figures.</p> <p><br> [1] J Colgan, EJ Judge, DP Kilcrease, and JE Bare6eld II. Ab-initio modeling of an iron laser-induced plasma: Comparison between theoretical and experimental atomic emission spectra. Spectrochimica Acta Part B: Atomic Spectroscopy, 97:65– 73, 2014.</p> <p>[2] Elizabeth J Judge, James Colgan, Keri Campbell, James E Bare6eld II, Heather M Johns, David P Kilcrease, and Samuel Clegg. Theoretical and experimental investigation of matrix effects observed in emission spectra of binary mixtures of sodium and copper and magnesium and copper pressed powders. Spectrochimica Acta Part B: Atomic Spectroscopy, 122:142–148, 2016.</p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.