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I am Trying to simulate a Car moving on a Ground/Road with velocities around 50 to 100 k mph, i have attached BCs for reference
are the BCs correct to study the Air flow around Car
That seems reasonable. You may want to make the domain larger - so more distance from the car to the side/top boundaries. The flow around the car won't necessarily be symmetric, so you may lose some information with the symmetry approximation.
Thanks for the feed back
Is the Turbulence equation SA ok for this kind of simulation or any other should i use ?
At the inlet should i give Average velocity or Directional Velocity (X/Y/Z) with respect to Axis ?
is the Turbulence equation SA ok for this kind of simulation or any other should i use ?
At the inlet should i give Average velocity or Directional Velocity (X/Y/Z) with respect to Axis ? is the Turbulence equation SA ok for this kind of simulation or any other should i use ?
Probably directional (cartesian or normal) velocity is better, and you'll also need to define the turbulence quantities at the inlet.
Interesting question - some of it depends on what level of fidelity/accuracy you want from the calculation. Most papers/publications report the need for transient and maybe a DES approach. AcuSolve supports SA-DES and SST-DES.
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