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October 24, 2017, 16:29 |
Test cases for 2d compressible viscous flows
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#1 |
New Member
Aranya Dan
Join Date: Oct 2017
Posts: 19
Rep Power: 9 |
I have written a code for solving unsteady 2d compressible viscous flows with WENO5 schemes and looking for simple test cases. I have checked the inviscid case solving 2d Reimann problems and have acceptable results. Lid-driven cavity isn't a good option as the benchmarks available are for incompressible flows. I dont want to solve over 0012 airfoil as setting up the grid itself would take a lot of time. Please mention some test cases along with reference papers to test run my code.
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October 25, 2017, 09:54 |
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#2 |
Super Moderator
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Some problems you can try with a weno code on Cartesian grids
These two have smooth solutions but good to test code since they have exact solution: Plane Poiseuille (density is constant) Plane couette (constant pressure, variable density) Shock-boundary layer interaction: google this A Validated Nonlinear Kelvin-Helmholtz Benchmark for Numerical Hydrodynamics https://arxiv.org/abs/1509.03630 A vortex roll-up test, incompressible but good to test weno scheme since vorticity develops sharp gradients, you can try this at low mach number. Jian-Guo Liu and Chi-Wang Shu, A High-Order Discontinuous Galerkin Method for 2D Incompressible Flows, Journal of Computational Physics 160(2):577-596, August 1999, DOI: 10.1006/jcph.2000.6475 |
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October 25, 2017, 10:26 |
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#3 |
Senior Member
Joern Beilke
Join Date: Mar 2009
Location: Dresden
Posts: 516
Rep Power: 20 |
There are some testcases on:
https://github.com/unicfdlab?tab=repositories (pisoCentral, QGD, hybridSolvers) Some of the cases are described here: https://www.researchgate.net/publica..._viscous_flows |
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Tags |
test cases, validation |
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