sinusprod_helmholtz.h

The sinus product function – right-hand-side and boundary condition for the Helmholtz problem

struct f {
Float operator() (const point& x) const {
switch (d) {
case 1: return (1+d*pi*pi)*sin(pi*x[0]);
case 2: return (1+d*pi*pi)*sin(pi*x[0])*sin(pi*x[1]);
default: return (1+d*pi*pi)*sin(pi*x[0])*sin(pi*x[1])*sin(pi*x[2]);
}}
f(size_t d1) : d(d1), pi(acos(Float(-1.0))) {}
size_t d; const Float pi;
};
struct g {
Float operator() (const point& x) const {
switch (d) {
case 1: return -pi;
case 2: return -pi*(sin(pi*x[0]) + sin(pi*x[1]));
default: return -pi*( sin(pi*x[0])*sin(pi*x[1])
+ sin(pi*x[1])*sin(pi*x[2])
+ sin(pi*x[2])*sin(pi*x[0]));
}}
g(size_t d1) : d(d1), pi(acos(Float(-1.0))) {}
size_t d; const Float pi;
};
g::g
g()
Definition: taylor.h:29
g::d
size_t d
Definition: sinusprod_helmholtz.h:45
f::d
size_t d
Definition: cosinusprod_dirichlet.h:30
g::pi
const Float pi
Definition: cosinusprod_laplace.h:35
f::operator()
point operator()(const point &x) const
Definition: cavity_dg.h:30
Float
see the Float page for the full documentation
f::f
f()
Definition: taylor.h:34
point
see the point page for the full documentation
f::pi
const Float pi
Definition: cosinusprod_dirichlet.h:30
g::operator()
point operator()(const point &x) const
Definition: cavity_dg.h:26
g
Definition: cavity_dg.h:25
f
Definition: cavity_dg.h:29