[Getdp] Question
cristianrivas at aol.com
cristianrivas at aol.com
Fri Jul 25 21:59:14 CEST 2014
Dear Sir, I have one question. On the GetDP webpage the example below (in quotes is provided), but I don't see two derivatives in the Formulation Equation section. I see { d v } but where is the rest of the div (grad (v)) portion? Shouldn't there be two derivatives. Thank you.
Cristian
<Section taken from GetDP website>:
"For example, to solve the Poisson equation div(a grad(v)) = f on a domain D, an input file (".pro" file) would contain something like this:
FunctionSpace {
{ Name H1; Type Form0;
BasisFunction {
{ Name sn; NameOfCoef vn; Function BF_Node; Support D; Entity NodesOf[All]; }
}
}
}
Formulation{
{ Name Poisson; Type FemEquation;
Quantity {
{ Name v; Type Local; NameOfSpace H1; }
}
Equation {
Galerkin { [ a[] * Dof{d v}, {d v} ] ; In D; Jacobian V; Integration I; }
Galerkin { [ f[], {v} ] ; In D; Jacobian V; Integration I; }
}
}
} "
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