jakob.schratter/SciFEM-Project_CoffeeMugSimulation_Celebic-Schratter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

copied the templates

Browse source
This commit is contained in:
jakob.schratter 2026-01-19 10:45:46 +01:00
commit 46636593b5
63 changed files with 570970 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

119
mgrid_2/userset.h Normal file
View file

@ -0,0 +1,119 @@
#pragma once
#include <cmath>
/**
* User function: f(@p x,@p y)
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @return value for right hand side f(@p x,@p y)
*/
double FunctF(double x, double y);
/**
* User function: u(@p x,@p y)
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @return value for solution vector u(@p x,@p y)
*/
double FunctU(double x, double y);
/**
* User function: f(@p x,@p y) = @f$ x^2 \sin(2.5\pi y)@f$.
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @return value f(@p x,@p y)
*/
inline
double fNice(double const x, double const y)
{
//return x * x * std::sin(2.5 * M_PI * y); // solution u
return std::sin(M_PI*2.5*y)*(M_PI*M_PI*2.5*2.5*x*x - 2); // -Laplacian(u)
}
/**
* User function: f(@p x,@p y,@p z).
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @param[in] z z-coordinate of discretization point
* @return value f(@p x,@p y,@p z)
*/
inline
double fNice(double const x, double const y, double const z)
{
return std::sin(M_PI*2.5*y)*(M_PI*M_PI*2.5*2.5*x*x - 2)+z;
}
/**
* User function: f(@p x,@p y) = 0$.
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @return value 0
*/
inline
double f_zero(double const x, double const y)
//double f_zero(double const /*x*/, double const /*y*/)
{
return 0.0 + 0.0*(x+y);
}
// ---------------------------------------------------------------------
/**
* solution u(@p x,@p y) of -Laplacian.
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @return value u(@p x,@p y)
* @see rhs_lap2
*/
inline
double sol_lap2(double const x, double const y)
{
return x * x * std::sin(2.5 * M_PI * y);
}
/**
* Right hand side f(@p x,@p y) of -Laplacian(u) with the appropriate function u.
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @return value f(@p x,@p y)
* @see sol_lap2
*/
inline
double rhs_lap2(double const x, double const y)
{
return std::sin(M_PI*2.5*y)*(M_PI*M_PI*2.5*2.5*x*x - 2);
}
// ---------------------------------------------------------------------
/**
* solution u(@p x,@p y,@p z) of -Laplacian.
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @param[in] z z-coordinate of discretization point
* @return value u(@p x,@p y,@p z)
* @see rhs_lap3
*/
inline
double sol_lap3(double const x, double const y, double const z)
{
//return x*x*std::cos(M_PI*z)*std::sin(M_PI*y);
return (x*x*(2*x - 3))*std::cos(M_PI*z)*std::cos(M_PI*y);
}
/**
* Right hand side f(@p x,@p y,@p z) of -Laplacian(u) with the appropriate function u.
* @param[in] x x-coordinate of discretization point
* @param[in] y y-coordinate of discretization point
* @param[in] z z-coordinate of discretization point
* @return value f(@p x,@p y,@p z)
* @see sol_lap3
*/
inline
double rhs_lap3(double const x, double const y, double const z)
{
//return 2.0*std::cos(M_PI*z)*std::sin(M_PI*y)*(M_PI*M_PI*x*x - 1);
return -2.0*std::cos(M_PI*z)*std::cos(M_PI*y)*(- 2*M_PI*M_PI*x*x*x + 3*M_PI*M_PI*x*x + 6*x - 3);
}
// ---------------------------------------------------------------------