Rheolef  7.2
an efficient C++ finite element environment
 
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streamf_cavity.cc
Go to the documentation of this file.
1
25#include "rheolef.h"
26using namespace rheolef;
27using namespace std;
28#include "cavity.h"
29int main (int argc, char** argv) {
30 environment rheolef (argc, argv);
31 field uh;
32 din >> uh;
33 string approx = "P" + to_string(uh.get_space().degree());
34 space Ph = cavity::streamf_space (uh.get_geo(), approx);
35 space Xh = uh.get_space();
36 size_t d = uh.get_geo().dimension();
37 trial u (Xh), psi (Ph); test phi (Ph);
38 form a = (d == 3) ? integrate (ddot(grad(psi),grad(phi)))
39 : integrate ( dot(grad(psi),grad(phi)));
40 form b = (d==3) ? integrate (dot(curl(u),phi))
41 : integrate (curl(u)*phi);
42 field psi_h = cavity::streamf_field (Ph);
43 field lh = b*uh;
44 problem p (a);
45 p.solve (lh, psi_h);
46 dout << catchmark("psi") << psi_h;
47}
field lh(Float epsilon, Float t, const test &v)
The driven cavity benchmark: 2D boundary conditions.
see the field page for the full documentation
see the form page for the full documentation
see the problem page for the full documentation
see the catchmark page for the full documentation
Definition catchmark.h:67
see the environment page for the full documentation
see the space page for the full documentation
see the test page for the full documentation
see the test page for the full documentation
int main()
Definition field2bb.cc:58
This file is part of Rheolef.
std::enable_if< details::has_field_rdof_interface< Expr >::value, details::field_expr_v2_nonlinear_terminal_field< typenameExpr::scalar_type, typenameExpr::memory_type, details::differentiate_option::gradient > >::type grad(const Expr &expr)
grad(uh): see the expression page for the full documentation
T ddot(const tensor_basic< T > &a, const tensor_basic< T > &b)
ddot(x,y): see the expression page for the full documentation
Definition tensor.cc:278
std::enable_if< details::has_field_rdof_interface< Expr >::value, details::field_expr_v2_nonlinear_terminal_field< typenameExpr::scalar_type, typenameExpr::memory_type, details::differentiate_option::curl > >::type curl(const Expr &expr)
curl(uh): see the expression page for the full documentation
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
Definition integrate.h:211
rheolef::std enable_if ::type dot const Expr1 expr1, const Expr2 expr2 dot(const Expr1 &expr1, const Expr2 &expr2)
STL namespace.
rheolef - reference manual
static field streamf_field(space Ph)
Definition cavity.h:53
static space streamf_space(geo omega, string approx)
Definition cavity.h:42
Definition sphere.icc:25
Definition phi.h:25
Definition leveque.h:25