Hello. I just reminded that I made a mistake.

Stephane Del Pino a écrit :

Yes. The force on the object can be approximated by the integral over the object of 1/epsilon*U :
        double fx = int[M](1/epsilon*ux);
        double fy = int[M](1/epsilon*uy);
        double fz = int[M](1/epsilon*uz);
where U = (ux,uy,uz) and the epsilon is used for the penalty term P in the example for Dominique, 1/epsilon = 10^3.
One should have read

double fx = int[M](ki/epsilon*ux);

where ki is a function that is 0 outside the obstacle and 1 inside. For instance:
   function ki = one(<1,0,0>);
where <1,0,0> is the reference of the object.

Regards,
Stephane.



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