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April 19, 2010, 07:50 |
Solving ODEs in OpenFOAM
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#1 |
Member
Wolfgang W.
Join Date: Nov 2009
Location: Switzerland
Posts: 57
Rep Power: 16 |
Hi Foamers,
I'm having a quite unexpected difficulty at the moment. For the equations in my current solver I need to determine a single scalar parameter from a non-linear 2nd order ordinary differential equation (initial value problem) at every time step. This parameter does not belong to any field - it's just a number (on per time step) I need to plug into the solver. Now it doesn't seem to be straight forward to solve an ODE (in my case I want to get the radius of a micro bubble from the Rayleigh-Plesset equation) for just this one parameter in OpenFOAM. Does OpenFOAM offer the capabilities of solving such ODEs? I'd appreciate any help or advice. Best, Wolfgang |
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