an efficient C++ finite element environment
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Go to the documentation of this file.
28 <<
"[-|file[.field[.gz]]] "
36 const space& Xh = uh.get_space();
51 const space& Xh = rh.get_space();
54 Float res = sqrt(
m(rh,rh));
55 derr <<
"check: residue = " << res << endl;
56 check_macro (res < 1e-3,
"unexpected residue");
59 const space& Xh = uh.get_space();
60 if (uh.get_approx() ==
"P1")
return interpolate (Xh, abs(uh));
68 int main(
int argc,
char**argv) {
70 if (argc < 3)
usage(argv[0]);
73 if (
string (argv[1]) ==
"-") {
77 in.open(argv[1],
"field");
80 for (
int i = 2; i < argc; i++) {
81 if (strcmp (argv[i],
"-check") == 0) {
check (
p, uh); }
85 derr << argv[0] <<
": unknown option \'" << argv[i] <<
"'" << endl;
see the catchmark page for the full documentation
rheolef::std enable_if ::type dot const Expr1 expr1, const Expr2 expr2 dot(const Expr1 &expr1, const Expr2 &expr2)
dot(x,y): see the expression page for the full documentation
see the field page for the full documentation
field residue(Float p, const field &uh)
std::enable_if< details::is_field_expr_v2_nonlinear_arg< Expr >::value &&! is_undeterminated< Result >::value, Result >::type integrate(const geo_basic< T, M > &omega, const Expr &expr, const integrate_option &iopt, Result dummy=Result())
see the integrate page for the full documentation
see the space page for the full documentation
space_mult_list< T, M > pow(const space_basic< T, M > &X, size_t n)
std::enable_if< details::is_field_convertible< Expr >::value,details::field_expr_v2_nonlinear_terminal_field< typename Expr::scalar_type,typename Expr::memory_type,details::differentiate_option::gradient >>::type grad(const Expr &expr)
grad(uh): see the expression page for the full documentation
T norm(const vec< T, M > &x)
norm(x): see the expression page for the full documentation
The p-Laplacian problem – the eta function.
rheolef - reference manual
T norm2(const vec< T, M > &x)
norm2(x): see the expression page for the full documentation
field_basic< T, M > interpolate(const space_basic< T, M > &V2h, const field_basic< T, M > &u1h)
see the interpolate page for the full documentation
idiststream din
see the diststream page for the full documentation
see the environment page for the full documentation
field lh(Float epsilon, Float t, const test &v)
int main(int argc, char **argv)
This file is part of Rheolef.
see the test page for the full documentation
see the problem page for the full documentation
odiststream derr(cerr)
see the diststream page for the full documentation
see the Float page for the full documentation
details::field_expr_v2_nonlinear_node_nary< typename details::function_traits< Function >::functor_type,typename details::field_expr_v2_nonlinear_terminal_wrapper_traits< Exprs >::type... > ::type compose(const Function &f, const Exprs &... exprs)
see the compose page for the full documentation
void load(idiststream &in, Float &p, field &uh)
void check(Float p, const field &uh)
see the test page for the full documentation
field criteria(Float p, const field &uh)
odiststream dout(cout)
see the diststream page for the full documentation