testbed.edp

FreeFem++可以生成高质量的有限元网格。可以用于流体力学

/*  Ne compile pas FH ?? 
for (idt = 1; idt < 50; idt++)
 {
   temps += dt;
   cout << " --------- temps " << temps << " \n ";
   b1[] =  vfconv1(0,Xh);
   b2[] =  vfconv2(0,Xh);
   cout << "  min b1 b2  " << b1[].min << " " << b2[].min << endl;
   cout << "  max b1 b2  " << b1[].max << " " << b2[].max << endl;
   // call Conjugate Gradient with preconditioner '
   //  warning eps < 0 => absolue stop test \index{precon=}
   LinearCG(divup,p[],eps=-1.e-6,nbiter=50,precon=CahouetChabart);
   divup(p[]);   //  computed the velocity

   plot([u1,u2],p,wait=!(idt%10),value= 1,coef=0.1);
 }
 
*/