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15 results for “Helmholtz”
Shape Optimization of Thermoacoustic Systems Using a Two-Dimensional Adjoint Helmholtz Solver
<p>rijke stands for Rijke tube and tswc stands for turbulent swirl combustor.</p> <p>mesh_*.xml contains the mesh in xml format.</p> <p>p_dir_*.xml and p_adj_*.xml contain the direct and adjoint fields in xml format.</p> <p>omega_*.txt contains the eigenvalue.</p> <p>my_dict_*.pickle contains the control points and the shape derivatives as byte streams.</p> <p>The dataset also contains the pvd (ParaView Data) files for the amplitude and phase of the direct and adjoint fields.</p>
Dataset: Analytical Physical Model for Electrolyte Gated Organic Field Effect Transistors in the Helmholtz Approximation
<p>Data corresponding to the figures of the manuscript "Analytical Physical Model for Electrolyte Gated Organic Field Effect Transistors in the Helmholtz Approximation" by Larissa Huetter, Adrica Kyndiah and Gabriel Gomila</p>
Hermann von Helmholtz (h2958)
<b>-- <a href="https://doi.org/10.5281/zenodo.11582199">Documentation</a> --</b><br><br><u>Name</u>: Hermann von Helmholtz<br><u>musiXplora-ID</u>: h2958<br><u>musiXplora-URI</u>: <a href="https://musixplora.de/mxp/h2958">https://musixplora.de/mxp/h2958</a><br><u>Gender</u>: m<br><u>Confessions</u>: evangelisch-lutherisch<br><u>Date of Birth</u>: 31 August 1821<br><u>Place of Birth</u>: Potsdam<br><u>Date of Death</u>: 08 September 1894<br><u>Place of Death</u>: Berlin<br><u>First Mentioned</u>: 1863<br><u>Sectors</u>: Hochschule, Instrumentenbau, Militär<br><u>Professions (Musical)</u>: Musikforscher, Pianist<br><u>Professions (Non-Musical)</u>: Physiker, Professor<br><u>Other Places of Activity</u>: Berlin, Bonn, Heidelberg, Königsberg, Potsdam<br><br><br><u>Ausbildung:</u><br><table><tbody><tr><th>Group</th><th>Role</th><th>Name</th><th>mXp-ID</th></tr><tr><td>LehrerInnen und AusbilderInnen</td><td>Lehrer</td><td>Richard Eisenmann</td><td><a href="https://musixplora.de/mxp/e1157">e1157</a></td></tr><tr><td>LehrerInnen und AusbilderInnen</td><td>Lehrer</td><td>Paul von Jankó</td><td><a href="https://musixplora.de/mxp/j0455">j0455</a></td></tr><tr><td>LehrerInnen und AusbilderInnen</td><td>Lehrer</td><td>Shohé Tanaka</td><td><a href="https://musixplora.de/mxp/t0819">t0819</a></td></tr><tr><td>LehrerInnen und AusbilderInnen</td><td>Lehrer</td><td>Rudolph Henry Wurlitzer</td><td><a href="https://musixplora.de/mxp/w2847">w2847</a></td></tr></tbody></table><br><u>Arbeitsumfeld:</u><br><table><tbody><tr><th>Group</th><th>Role</th><th>Name</th><th>mXp-ID</th></tr><tr><td>KollegInnen</td><td>Kollege</td><td>Alexander Graham Bell</td><td><a href="https://musixplora.de/mxp/b2843">b2843</a></td></tr></tbody></table><br><u>Persönlicher Umkreis:</u><br><table><tbody><tr><th>Group</th><th>Role</th><th>Name</th><th>mXp-ID</th></tr><tr><td>Netzwerk</td><td>Netzwerkpartner</td><td>Franz Gehring</td><td><a href="https://musixplora.de/mxp/g1536">g1536</a></td></tr><tr><td>Netzwerk</td><td>Netzwerkpartner</td><td>Rudolph Koenig</td><td><a href="https://musixplora.de/mxp/k2996">k2996</a></td></tr></tbody></table><br><u>Medien:</u><br><table><tbody><tr><th>Group</th><th>Role</th><th>Name</th><th>mXp-ID</th></tr><tr><td>VerfasserInnen</td><td>Verfasser</td><td>Die Lehre von den Tonempfindungen als physiologische Grundlage für die Theorie der Musik</td><td><a href="https://musixplora.de/mxp/5033528">5033528</a></td></tr><tr><td>VerfasserInnen</td><td>Verfasser</td><td>Die Lehre von den Tonempfindungen als physiologische Grundlage für die Theorie der Musik</td><td><a href="https://musixplora.de/mxp/5040481">5040481</a></td></tr></tbody></table><br><u>Tradition:</u><br><table><tbody><tr><th>Group</th><th>Role</th><th>Name</th><th>mXp-ID</th></tr><tr><td>Interessensbereich</td><td>Interessensbereich</td><td>Ernst Mach</td><td><a href="https://musixplora.de/mxp/m0007">m0007</a></td></tr></tbody></table><br><u>Institutionen:</u><br><table><tbody><tr><th>Role</th><th>Title</th><th>mXp-ID</th></tr><tr><td>Related</td><td>Institut für Physik</td><td><a href="https://musixplora.de/mxp/3010620">3010620</a></td></tr></tbody></table><br><u>Titel/Medien:</u><br><table><tbody><tr><th>Role</th><th>Sigel</th><th>Title</th><th>mXp-ID</th></tr><tr><td>Related</td><td>Müske et al. 2020</td><td>Die Technisierung der Klangwelt. Phonographen im Deutschen Museum. Johannes Müske, Stephan Puille, Peter A. Leitmeyr</td><td><a href="https://musixplora.de/mxp/5033356">5033356</a></td></tr><tr><td>Related</td><td>Campbell et al. 2021</td><td>The science of brass instruments</td><td><a href="https://musixplora.de/mxp/5033582">5033582</a></td></tr><tr><td>Related</td><td>Elsner 1982</td><td>Zur Geschichte des musikwissenschaftlichen Lehrstuhls an der Universität München. Unveröffentlichte Dissertation der Universität München. von Andreas Elsner</td><td><a href="https://musixplora.de/mxp/5034096">5034096</a></td></tr></tbody></table><br><br><u>Changelog</u>:<br> - v0.0.1: Initial Upload.<br>
crowdsourced body parameters of workshop attendants at the Helmholtz MT ARD ST3 meeting
<p>This data set was crowdsourced at the 2021 Helmholtz MT ARD ST3 meeting from attendants of the Machine Learning Tutorial on Sep 30, 2021. For more details on the event, see<br> https://indico.desy.de/event/28823/</p> <p>The CSV contains 4 columns:</p> <p>- is_female : fill with 1 if participant is female, filled with 0 if not female</p> <p>- shoesize_europe : your european shoesize</p> <p>- weight_kg : your weight in kilograms</p> <p>- height_cm : your height in centimeters</p> <p>Participants were encouraged to +1 or -1 to individual body properties in case they do not feel confident providing their true numbers.</p>
Helmholtz Knowledge Graph: RDF data dump
<p>Under this base DOI we regularly publish full RDF data dumps of the Helmholtz-Knowledge Graph.<br>Data dumps are typical associated with major releases, or major data updates.</p> <p>Dumps are serialized in .ttl and compressed with gzip.<br><br>For more information on deployment and documentation as well as data access see:<br>Search UI: https://search.unhide.helmholtz-metadaten.de/<br>SPARQL endpoint: https://sparql.unhide.helmholtz-metadaten.de/<br>Documentation: https://docs.unhide.helmholtz-metadaten.de/<br>Software: https://codebase.helmholtz.cloud/hmc/hmc-public/unhide</p>
Data from: Finescale measurements of Kelvin-Helmholtz instabilities at a Kuroshio seamount
Open the record for dataset details and reuse information.
Global mixing and transport of solar wind and magnetospheric ions in the nonlinear Kelvin-Helmholtz region across the terrestrial dayside magnetopause
<p>Data of figs 1-6 of the manuscript "Global mixing and transport of solar wind and magnetospheric ions in the nonlinear Kelvin-Helmholtz region across the terrestrial dayside magnetopause".</p>
Lidar Data for "Kelvin_Helmholtz_Instabilities_Within_a_Semi_diurnal_Tide"
<p>These files contains the lidar observations of the KHI and generated waves observed by the sodium resonance wind temperature lidar and the Rayleigh density temperature lidar</p>
Reference solutions for "A validated non-linear Kelvin-Helmholtz benchmark for numerical hydrodynamics"
<p>This dataset contains hdf5 files with reference solutions to the validated non-linear Kelvin-Helmholtz benchmark problem described in <a href="https://doi.org/10.1093/mnras/stv2564">Lecoanet et al. (2016)</a>. The hdf5 files include snapshots at t=2, 4, 6, 8 for the Re=10^5 D4096 simulation with Δρ/ρ0=1 (5_4096_2_*.h5), the Re=10^5 D2048 simulation with Δρ/ρ0=0 (5_2048_1_*.h5), and the Re=10^6 D2048 simulation with Δρ/ρ0=0 (6_2048_1_*.h5). The velocity, density, temperature, and dye field are contained in the tasks group. The exact output time and the grid are contained in the scales group.</p>
Supporting information for Spatial scales of the velocity shear layer and Kelvin-Helmholtz waves on the magnetopause: First statistical results
<p>Kelvin-Helmholtz (KH) waves observed by ARTEMIS P1 from 2015 to 2020. From the first column to the last column is: probe, date, time interval of KH waves, the location of KH waves in GSM coordinate, and the dominate period, phase speed, and wavelength of KH waves.</p>
Supplementary material for "Hybrid-Vlasov modelling of ion velocity distribution functions associated with the Kelvin-Helmholtz instability with a density and temperature asymmetry"
<p>Supplementary material for the article:</p> <p>"Hybrid-Vlasov modelling of ion velocity distribution functions associated with a density and temperature asymmetry" by</p> <p><strong>V. Tarvus</strong>, L. Turc, H. Zhou, T. Nakamura, A. Settino, K.Blasl, G. Cozzani, U. Ganse, Y. Pfau-Kempf, M. Alho, M. Battarbee, M. Bussov, M. Dubart, E. Gordeev, F. Tesema Kebede, K. Papadakis, J. Suni, I. Zaitsev and M. Palmroth</p> <p> </p> <p><strong>Supplementary video A</strong>:</p> <p>The development of the Kelvin-Helmholtz instability (KHI) in a purely transverse geometry (velocity shear perpendicular to the magnetic field), simulated using the hybrid-Vlasov model Vlasiator. The parameters shown are: Proton temperature (panel a), the non-Maxwellianity of the proton velocity distribution function (panel b), proton heat flux (panel c) and vorticity (panel d). A black contour in each panel shows the region where the magnitude of the proton temperature gradient is larger than the maximum gradient at the beginning of the simulation. Arrows in panel d) show the velocity field. The evolution of KHI proceeds from the formation of linear surface waves (t<50 Ω<sub>c,p</sub><sup>-1</sup>, with proton gyroperiod Ω<sub>c,p</sub><sup>-1</sup>) to the waves rolling up into vortices (t>50 Ω<sub>c,p</sub><sup>-1</sup>). Due to the steepening of the velocity shear layer, whose thickness tends towards the thermal proton Larmor radius, finite Larmor radius effects become active at the vortex edges, manifesting as enhanced non-Maxwellianity (panel b) and a heat flux (panel c), which originates from the temperature gradient according to the mechanism described by Braginskii (1965). At the end of the simulation (t=90-100 Ω<sub>c,p</sub><sup>-1</sup>), non-Maxwellianity increases also in the vortex interior, as protons from the two initial regions are mixed together.</p> <p> </p> <p><strong>Supplementary video B</strong>:</p> <p>The same as Supplementary video A, but with an added in-plane magnetic field of the form (<em>B</em><sub>0,z</sub>/5) tanh(x/a) <strong>y</strong>,<strong> </strong>where <em>B</em><sub>0,z</sub> is the magnitude of the background magnetic field perpendicular to the velocity shear. Analogous behavior is found compared to the simulation without an in-plane magnetic field (Supplementary video A), with the exception of the suppression of secondary instabilities by the added magnetic tension. This leads to less irregularities in the vortex structure during the non-linear stage (t>~50 Ω<sub>p</sub><sup>-1</sup>).</p>
Data file needed for implementation of the Helmholtz equation of state in the Phantom smoothed particle hydrodynamics and magnetohydrodynamics code
<p>** this file is downloaded automatically on running Phantom **<br><br>This is a datafile containing information needed to utilise the Helmholtz equation of state (<a href="http://adsabs.harvard.edu/abs/2000ApJS..126..501T">Timmes & Swesty 2000</a>) implemented in the Phantom smoothed particle hydrodynamics and magnetohydrodynamics code (<a href="http://adsabs.harvard.edu/abs/2018PASA...35...31P">Price et al. 2018</a>). </p> <p>Primarily used to model degenerate matter in white dwarfs</p> <p>For information about how to read the file and its contents, refer to the relevant module in the phantom source code (<a href="https://github.com/danieljprice/phantom/blob/master/src/main/eos_helmholtz.f90">eos_helmholtz.f90</a>)</p>
APS DPP 2024 - The impact of stable modes on the merging dynamics of Kelvin- Helmholtz vortices
<p>Supplementary figures for the poster presentation</p>
Domain Decomposition Method for Helmholtz Equation with Corner Correction
<p>This dataset represents numerical simulations of a transmission condition for the Helmholtz equation in the case of a broken line boundary. The results have been achieved using open-source software: <a href="http://gmsh.info/">GMSH</a>, commit number 418deb961, version 4.6.0, May 7th 2020 (mesh and post-processing), <a href="http://getdp.info/">GetDP</a>, version 3.3.0 (finite element solver) and its domain decomposition module <a href="http://onelab.info/GetDDM/">GetDDM</a>.</p> <p>The script used to get the dataset is available online (septembre 8th 2021):</p> <p><a href="https://gitlab.onelab.info/doc/models/-/tree/master/DDM-Corner-Helmholtz-2D">https://gitlab.onelab.info/doc/models/-/tree/master/DDM-Corner-Helmholtz-2D</a>.</p> <p>The associated paper is currently under review, a preprint can be found on HAL: <a href="https://hal.archives-ouvertes.fr/hal-02612368">https://hal.archives-ouvertes.fr/hal-02612368</a>.</p>
Data for 'The Helmholtz Equation in Heterogeneous and Random Media: Analysis and Numerics'
<p>Part of the computational output in the PhD thesis: Owen Rhys Pembery, 'The Helmholtz Equation in Heterogeneous and Random Media: Analysis and Numerics', University of Bath, 2020.</p>
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