Institute of Aerodynamics and Gas Dynamics

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11 to 19 of 19 Results

GALÆXI Verification: Convergence Tests May 3, 2024 - Supplementary Data: GALÆXI Paper Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Verification: Convergence Tests", https://doi.org/10.18419/DARUS-4155, DaRUS, V1, UNF:6:vL1WFzY+Nmd1P5y9jFLWLg== [fileUNF] This Dataset contains the setup and the results of the convergence tests which are reported in the GALÆXI Paper (Section 5.1). The results are contained in the file results.txt. The used case is based on the method of manufactured solution. The detailed formulation is specified in Hindenlang et al. and is implemented as ExactFunc=4 in GALÆXI. The f...
GALÆXI Validation: Taylor-Green Vortex May 3, 2024 - Supplementary Data: GALÆXI Paper Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Validation: Taylor-Green Vortex", https://doi.org/10.18419/DARUS-4139, DaRUS, V1, UNF:6:Q71FGjHTEHnKVAq/VkFpXA== [fileUNF] This Dataset contains the test case definition and reference data for the Taylor-Green Vortex (TGV) test case which builds the validation test case in the GALÆXI Paper (Section 5). Incompressible TGV (Ma=0.1) according to (Link): J. DeBonis, Solutions of the Taylor–Green vortex problem using high- resolution explicit finite difference methods, in:...
GALÆXI Scaling May 3, 2024 - Supplementary Data: GALÆXI Paper Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Scaling", https://doi.org/10.18419/DARUS-4140, DaRUS, V1, UNF:6:q8ZbcGhBxtm6VlmuTlqskA== [fileUNF] This Dataset contains the results of the scaling test cases of the GALÆXI Paper (Section 4). The scaling behavior is evaluated using simulations with resolutions ranging from 16384 up to 8.6x109 degrees of freedom using up to 1024 GPUs on JUWELS booster. The provided results contain the raw data of the performance index PID for different loads inve...
GALÆXI Application: NASA Rotor 37 May 3, 2024 - Supplementary Data: GALÆXI Paper Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Application: NASA Rotor 37", https://doi.org/10.18419/DARUS-4138, DaRUS, V1 This Dataset contains the setup data for the NASA Rotor 37 test case which corresponds to the application section in the GALÆXI Paper (Section 6). Reference (Link): L. Reid, R. D. Moore, Design and overall performance of four highly loaded, high speed inlet stages for an advanced high-pressure-ratio core compressor, Technical Report 1337, NASA Lewi...
Supplementary videos for PhD thesis: Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions Jan 15, 2024 Ohno, Duncan, 2024, "Supplementary videos for PhD thesis: Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions", https://doi.org/10.18419/DARUS-3862, DaRUS, V1 Videos from direct numerical simulations (DNS) of the laminar-to-turbulent transition under unsteady inflow conditions. The flow visualizations correspond to the results of section 3.4 of the PhD thesis "Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions", see Related Publication below.
Data for: Parametric Aerodynamic Study of a 3D Printed Cycloidal Rotor Prototype Designed for the Best Figure of Merit Apr 20, 2023 - Cyclorotor Gagnon, Louis, 2023, "Data for: Parametric Aerodynamic Study of a 3D Printed Cycloidal Rotor Prototype Designed for the Best Figure of Merit", https://doi.org/10.18419/DARUS-3340, DaRUS, V1 This repository releases the 284 million cell case shortly described in the aforementioned paper and consists of a DDES CFD simulation of a cycloidal rotor which was scaled to test the limits of the OpenFOAM software when simulating rotating machinery. The intent is to provide the community a publicly available testcase to favor further improvement...
Data for: Create a Fluid-Structure Simulation Framework for Cycloidal Rotors Dec 7, 2022 - Cyclorotor Schließus, Julian; Gagnon, Louis, 2022, "Data for: Create a Fluid-Structure Simulation Framework for Cycloidal Rotors", https://doi.org/10.18419/DARUS-2232, DaRUS, V2 OpenFOAM simulation case files and results accompanying the article having the same title are included. The pressure and velocity fields could be visualized by using Paraview. The cases are described in the Bachelor Thesis referenced under Related Publication. For details how to use and access the data and code, please see the instructions in the f...
Data for: Experimental Validation of a Cycloidal Rotor URANS CFD Model and Geometric Parameter Optimization Sep 8, 2022 - Cyclorotor Donners, Leonard Jakob; Gagnon, Louis, 2022, "Data for: Experimental Validation of a Cycloidal Rotor URANS CFD Model and Geometric Parameter Optimization", https://doi.org/10.18419/DARUS-2812, DaRUS, V1 Cycloidal rotors offer many properties that are beneficial to VTOL (vertical take-off and landing) rotor concepts. Two examples are high manoeuvrability and low aerodynamic noise emission. These rotors use cyclically pitched axial blades to generate thrust and operate in highly unsteady flow regimes, including curvilinear flow and dynamic stall phe...
Data for: Relying on Dynamically Morphing Blades to Increase the Efficiency of a Cycloidal Rotor Oct 21, 2021 - Cyclorotor Huang, Doudou; Gagnon, Louis, 2021, "Data for: Relying on Dynamically Morphing Blades to Increase the Efficiency of a Cycloidal Rotor", https://doi.org/10.18419/DARUS-2191, DaRUS, V1 OpenFOAM simulation case files and results accompanying the article having the same title are included. The pressure, velocity and vorticity fields could be visualized by using Paraview. The simulation of the last rotor revolution of each case can be reproduced by running the restartLastCycle.sh script. The supplementary cases which are not documen...

GALÆXI Verification: Convergence Tests

May 3, 2024 - Supplementary Data: GALÆXI Paper

Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Verification: Convergence Tests", https://doi.org/10.18419/DARUS-4155, DaRUS, V1, UNF:6:vL1WFzY+Nmd1P5y9jFLWLg== [fileUNF]

This Dataset contains the setup and the results of the convergence tests which are reported in the GALÆXI Paper (Section 5.1). The results are contained in the file results.txt. The used case is based on the method of manufactured solution. The detailed formulation is specified in Hindenlang et al. and is implemented as ExactFunc=4 in GALÆXI. The f...

GALÆXI Validation: Taylor-Green Vortex

May 3, 2024 - Supplementary Data: GALÆXI Paper

Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Validation: Taylor-Green Vortex", https://doi.org/10.18419/DARUS-4139, DaRUS, V1, UNF:6:Q71FGjHTEHnKVAq/VkFpXA== [fileUNF]

This Dataset contains the test case definition and reference data for the Taylor-Green Vortex (TGV) test case which builds the validation test case in the GALÆXI Paper (Section 5). Incompressible TGV (Ma=0.1) according to (Link): J. DeBonis, Solutions of the Taylor–Green vortex problem using high- resolution explicit finite difference methods, in:...

GALÆXI Scaling

May 3, 2024 - Supplementary Data: GALÆXI Paper

Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Scaling", https://doi.org/10.18419/DARUS-4140, DaRUS, V1, UNF:6:q8ZbcGhBxtm6VlmuTlqskA== [fileUNF]

This Dataset contains the results of the scaling test cases of the GALÆXI Paper (Section 4). The scaling behavior is evaluated using simulations with resolutions ranging from 16384 up to 8.6x109 degrees of freedom using up to 1024 GPUs on JUWELS booster. The provided results contain the raw data of the performance index PID for different loads inve...

GALÆXI Application: NASA Rotor 37

May 3, 2024 - Supplementary Data: GALÆXI Paper

Kurz, Marius; Kempf, Daniel; Blind, Marcel P.; Kopper, Patrick; Offenhäuser, Philipp; Schwarz, Anna; Starr, Spencer; Keim, Jens; Beck, Andrea, 2024, "GALÆXI Application: NASA Rotor 37", https://doi.org/10.18419/DARUS-4138, DaRUS, V1

This Dataset contains the setup data for the NASA Rotor 37 test case which corresponds to the application section in the GALÆXI Paper (Section 6). Reference (Link): L. Reid, R. D. Moore, Design and overall performance of four highly loaded, high speed inlet stages for an advanced high-pressure-ratio core compressor, Technical Report 1337, NASA Lewi...

Supplementary videos for PhD thesis: Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions

Jan 15, 2024

Ohno, Duncan, 2024, "Supplementary videos for PhD thesis: Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions", https://doi.org/10.18419/DARUS-3862, DaRUS, V1

Videos from direct numerical simulations (DNS) of the laminar-to-turbulent transition under unsteady inflow conditions. The flow visualizations correspond to the results of section 3.4 of the PhD thesis "Laminar-to-turbulent transition in airfoil boundary layer flows at oscillating inflow conditions", see Related Publication below.

Data for: Parametric Aerodynamic Study of a 3D Printed Cycloidal Rotor Prototype Designed for the Best Figure of Merit

Apr 20, 2023 - Cyclorotor

Gagnon, Louis, 2023, "Data for: Parametric Aerodynamic Study of a 3D Printed Cycloidal Rotor Prototype Designed for the Best Figure of Merit", https://doi.org/10.18419/DARUS-3340, DaRUS, V1

This repository releases the 284 million cell case shortly described in the aforementioned paper and consists of a DDES CFD simulation of a cycloidal rotor which was scaled to test the limits of the OpenFOAM software when simulating rotating machinery. The intent is to provide the community a publicly available testcase to favor further improvement...

Data for: Create a Fluid-Structure Simulation Framework for Cycloidal Rotors

Dec 7, 2022 - Cyclorotor

Schließus, Julian; Gagnon, Louis, 2022, "Data for: Create a Fluid-Structure Simulation Framework for Cycloidal Rotors", https://doi.org/10.18419/DARUS-2232, DaRUS, V2

OpenFOAM simulation case files and results accompanying the article having the same title are included. The pressure and velocity fields could be visualized by using Paraview. The cases are described in the Bachelor Thesis referenced under Related Publication. For details how to use and access the data and code, please see the instructions in the f...

Data for: Experimental Validation of a Cycloidal Rotor URANS CFD Model and Geometric Parameter Optimization

Sep 8, 2022 - Cyclorotor

Donners, Leonard Jakob; Gagnon, Louis, 2022, "Data for: Experimental Validation of a Cycloidal Rotor URANS CFD Model and Geometric Parameter Optimization", https://doi.org/10.18419/DARUS-2812, DaRUS, V1

Cycloidal rotors offer many properties that are beneficial to VTOL (vertical take-off and landing) rotor concepts. Two examples are high manoeuvrability and low aerodynamic noise emission. These rotors use cyclically pitched axial blades to generate thrust and operate in highly unsteady flow regimes, including curvilinear flow and dynamic stall phe...

Data for: Relying on Dynamically Morphing Blades to Increase the Efficiency of a Cycloidal Rotor

Oct 21, 2021 - Cyclorotor

Huang, Doudou; Gagnon, Louis, 2021, "Data for: Relying on Dynamically Morphing Blades to Increase the Efficiency of a Cycloidal Rotor", https://doi.org/10.18419/DARUS-2191, DaRUS, V1

OpenFOAM simulation case files and results accompanying the article having the same title are included. The pressure, velocity and vorticity fields could be visualized by using Paraview. The simulation of the last rotor revolution of each case can be reproduced by running the restartLastCycle.sh script. The supplementary cases which are not documen...

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