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How to get the derivative of a force with respect to a self defined variable?
Posted 2012/05/20 22:47 GMT-4 Results & Visualization, Studies & Solvers Version 3.5a 0 Replies
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I am working on a simulation of a particle moving in water.
The particle moving velocity is V and its value is 0.01m/s, which we can define as a moving boundary condition.
Then COMSOL can calculate the hydrodynamic force (F) on the particle by integrating the hydrodynamic tensor (for example,T_z_chns and T_r_chns in a 2D axisymmetric geometry).
But, question is how I get the derivative of F with respect to V?
I guess coupled variable in comsol should be used as well as matlab.
Any experts can help me out?
Hello Long Luo
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