Loading...
Searching...
No Matches
stokes_contraction_bubble.cc
Go to the documentation of this file.
#include "rheolef.h"
using namespace rheolef;
using namespace std;
#include "contraction.h"
int main(int argc, char**argv) {
environment rheolef (argc, argv);
geo omega (argv[1]);
space X1h = contraction::velocity_space (omega, "P1");
space Bh (omega, "bubble", "vector");
space Qh (omega, "P1");
trial u1 (X1h), ub (Bh), p (Qh);
test v1 (X1h), vb (Bh), q (Qh);
form b1 = integrate (-div(u1)*q);
form bb = integrate (-div(ub)*q);
form a1 = integrate (2*ddot(D(u1),D(v1)));
integrate_option iopt;
iopt.invert = true;
form inv_ab = integrate (2*ddot(D(ub),D(vb)), iopt);
form c = bb*inv_ab*trans(bb);
field u1h = contraction::velocity_field (X1h);
field ph (Qh, 0);
problem_mixed stokes (a1, b1, c);
stokes.solve (field(X1h,0), field(Qh,0), u1h, ph);
dout << catchmark("inv_lambda") << 0 << endl
<< catchmark("u") << u1h
<< 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
rheolef::integrate_option
see the integrate_option page for the full documentation
Definition integrate_option.h:125
rheolef::integrate_option::invert
bool invert
Definition integrate_option.h:168
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
contraction.h
The contraction geometry: boundary conditions.
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
rheolef::trans
csr< T, sequential > trans(const csr< T, sequential > &a)
trans(a): see the form page for the full documentation
Definition csr.h:455
std
STL namespace.
rheolef.h
rheolef - reference manual
contraction::velocity_space
static space velocity_space(geo omega, string approx)
Definition contraction.h:41
contraction::velocity_field
static field velocity_field(space Xh)
Definition contraction.h:49
p
Definition sphere.icc:25