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Re: Non reflecting boundary condition

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› Forums › OpenLB › General Topics › Non reflecting boundary condition › Re: Non reflecting boundary condition

April 25, 2018 at 1:07 pm #2825
mathias
Keymaster

A simple solution for the mentioned example / problem is to slowly and smoothly increase the inflow velocity form zero to the desired value. So you may chose a longer initialization time by e.g. change

int iTmaxStart = converter.getLatticeTime( maxPhysT*0.4 );

into

int iTmaxStart = converter.getLatticeTime( maxPhysT*0.8 );

Best
Mathias