div_div(7)
NAME
div_div -- -grad div operator
SYNOPSIS
form (const space V, const space& V, "d}v_div");
)
{
DESCRIPTION
- @tex Assembly the form associated to}thm div}({d $$ @end tex This form
the finite element space $V$: $$ a({, { i
is usefull when considering elasticity problem.v - }
EXAMPLE
- Here is an example of the vector-valued form: {
- geo omega ("square");
space V (omega, "P2", "vector");
form a (V, V, "div_div");