diff --git a/test/stokes/stokes_dg.ufl b/test/stokes/stokes_dg.ufl index 5704c65a40bb6c6a450741ccda8b158603598e54..71ff6674ec3f1c09b115c11ecc748a39d0c311c5 100644 --- a/test/stokes/stokes_dg.ufl +++ b/test/stokes/stokes_dg.ufl @@ -8,10 +8,20 @@ u, p = TrialFunctions(TH) n = FacetNormal(cell)('+') eps = -1.0 +sigma = 1.0 -r = \ - + eps*inner(avg(grad(v))*n, jump(u))*dS -# + inner(grad(u), grad(v))*dx \ -# - inner(avg(grad(u))*n, jump(v))*dS \ +r = inner(grad(u), grad(v))*dx \ + - inner(avg(grad(u))*n, jump(v))*dS \ + + eps * inner(avg(grad(v))*n, jump(u))*dS \ + - inner(grad(u)*n, v)*ds \ + + eps * inner(grad(v)*n, u)*ds \ + + sigma * inner(jump(u), jump(v))*dS \ + + sigma * inner(u, v)*ds \ + - p*div(v)*dx \ + - q*div(u)*dx \ + + avg(p)*inner(jump(v), n)*dS \ + + avg(q)*inner(jump(u), n)*dS \ + + p*inner(v, n)*ds \ + + q*inner(u, n)*ds forms = [r]