Loading...
Searching...
No Matches
stokes_obstacle_slip.cc
Go to the documentation of this file.
#include "rheolef.h"
using namespace rheolef;
using namespace std;
int main(int argc, char**argv) {
environment rheolef (argc, argv);
geo omega (argv[1]);
space Xh (omega, "P2", "vector");
Xh.block ("upstream");
Xh.block ("downstream");
Xh[1].block ("axis");
Xh[1].block ("wall");
Xh.block_n ("obstacle");
space Qh (omega, "P1");
trial u (Xh), p (Qh);
test v (Xh), q (Qh);
form a = integrate (2*ddot(D(u),D(v)));
form b = integrate (-div(u)*q);
field uh (Xh,0);
uh[0]["upstream"] = 1;
uh[0]["downstream"] = 1;
field ph (Qh, 0);
problem_mixed stokes (a, b);
stokes.solve (field(Xh,0), field(Qh,0), uh, ph);
dout << catchmark("u") << uh
<< catchmark("p") << ph;
}
field
see the field page for the full documentation
form
see the form page for the full documentation
geo
see the geo page for the full documentation
problem_mixed
see the problem_mixed page for the full documentation
rheolef::catchmark
see the catchmark page for the full documentation
Definition catchmark.h:67
rheolef::environment
see the environment page for the full documentation
Definition environment.h:121
space
see the space page for the full documentation
test
see the test page for the full documentation
trial
see the test page for the full documentation
main
int main()
Definition field2bb.cc:58
rheolef
This file is part of Rheolef.
Definition compiler_eigen.h:39
rheolef::D
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 D(const Expr &expr)
D(uh): see the expression page for the full documentation.
Definition field_expr_terminal.h:988
rheolef::ddot
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
rheolef::div
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::divergence > >::type div(const Expr &expr)
div(uh): see the expression page for the full documentation
Definition field_expr_terminal.h:1050
rheolef::integrate
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
std
STL namespace.
rheolef.h
rheolef - reference manual
p
Definition sphere.icc:25
u
Definition leveque.h:25