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Discrepancy dsmcFoam+ and validation paper

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Old   December 22, 2021, 04:48
Default Discrepancy dsmcFoam+ and validation paper
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Hi fellow foamers,

I hope you guys can help me with this. I have been trying to run a validation simulation on dsmcFoam+. Unfortunately there still seems to be a difference in the results that I should obtain and that I actually obtain. The case consists of two cones, in a free stream velocity of 2073 m/s. The paper (Moss 2004, DSMC Simulations of Hypersonic Flows and Comparison with Experiments) validates the DS2V code from Bird with an experiment in the CUBRC facility. The pressure and heat flux plots can be viewed in the attachments, where the CUBRC Run 7 is the experiment, and DS2V is the code from Bird. The boundary conditions, dsmcProperties, dsmcInitialise and fieldProperties can be found in the case.tar.gz. I hope there is someone who can help me, because currently I am a bit lost.

Kind regards,
Attached Images
File Type: png heatFlux.png (13.1 KB, 6 views)
File Type: png MachNumber.png (50.6 KB, 4 views)
File Type: png pressure.png (11.5 KB, 4 views)
Attached Files
File Type: gz case.tar.gz (1.3 KB, 2 views)
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dsmcfoam+, rarified gas

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