why velocity keeps rising??
I am running LES simulation with periodic boundaries. I am monitoring velocity at a point in my domain. I observe steady increase in my velocity. Why is that?? Any input will be welcome.
Re: why velocity keeps rising??
If your scheme is not energy conserving, instabilities could cause one component say u-velocity to rise and then to satisfy divergence the other two components also increase. And the downhill begins.
You can look up papers on "energy conserving schemes" for more information.
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