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Reply To: add gravity leads to instability, bifurcation 3D, multiphase, particles

OpenLB – Open Source Lattice Boltzmann Code Forums on OpenLB General Topics add gravity leads to instability, bifurcation 3D, multiphase, particles Reply To: add gravity leads to instability, bifurcation 3D, multiphase, particles

#4594
Manuel Berger
Participant

Dear Mathias,

I have already registered for the spring school in Berlin.

I have tried your conversion factor and found out that

converter.getConversionFactorMass()/converter.getConversionFactorForce();

is equal to

converter.getPhysDeltaT()*converter.getPhysDeltaT()/converter.getPhysDeltaX();

thus, my conversion is also fine.

The only question that still remains, which is independent of this code line is: How to convert gravitational acceleration (9.81 m/s^2) to body force? – or is it the same?

Thanks a lot!

Best
Manuel