Hello everyone, I tried to write a small code about KdV. Because there is dxx (v), I used P3 finite element method, but the solution would be unstable. Why?
KDV(n=1)exact.edp (1.2 KB)
Hello everyone, I tried to write a small code about KdV. Because there is dxx (v), I used P3 finite element method, but the solution would be unstable. Why?
KDV(n=1)exact.edp (1.2 KB)