Vortex method vs High Reynolds number
I'm currently working on a code, solving incompressible 3D flow using discrete vortex method. The new idea (probably not that new) for this method is the use of a grid system and finite volume method. But, the problem is that I can only carry out simulations for a Reynolds number lower than 1000, othervise the simulation would become unstable. What could be the reasons for this limitation? the differential scheme ? or grid resolution? Hope someone here could help me out. Thanks
Re: Vortex method vs High Reynolds number
I think I have seen a recent paper doing exactly as you suggest; using finite volume methods but using bio-savart law to get the velocities at the finite volume interfaces. If this is what you're doing it isn't new. Hopefully, it's not a thesis material :)) (BTW, discrete vortex method has a distinct connotation, which assumes a meshless computation). As for your questions, it's too general ...
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