forked from p35462178/gks2d-str
106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
#pragma once
|
||
#include"function.h"
|
||
|
||
|
||
extern double c1_euler;
|
||
extern double c2_euler;
|
||
extern bool is_Prandtl_fix;
|
||
extern double Pr;
|
||
|
||
|
||
|
||
//basic gks function
|
||
// to store the moment
|
||
class MMDF1d
|
||
{
|
||
private:
|
||
double u;
|
||
double lambda;
|
||
|
||
public:
|
||
double uwhole[10];
|
||
double uplus[10];
|
||
double uminus[10];
|
||
double upxi[10][4];
|
||
double unxi[10][4];
|
||
double uxi[10][4];
|
||
double xi2;
|
||
double xi4;
|
||
double xi6;
|
||
MMDF1d();
|
||
MMDF1d(double u_in, double lambda_in);
|
||
void calcualte_MMDF1d();
|
||
};
|
||
|
||
// to calculate the microsolpe moment
|
||
void G(int no_u, int no_xi, double* psi, double a[3], MMDF1d m);
|
||
void GL(int no_u, int no_xi, double* psi, double a[3], MMDF1d m);
|
||
void GR(int no_u, int no_xi, double* psi, double a[3], MMDF1d m);
|
||
|
||
//moments of the maxwellian distribution function
|
||
class MMDF
|
||
{
|
||
private:
|
||
double u;
|
||
double v;
|
||
double lambda;
|
||
|
||
public:
|
||
double uwhole[7];
|
||
double uplus[7];
|
||
double uminus[7];
|
||
double vwhole[7];
|
||
double upvxi[7][7][3];
|
||
double unvxi[7][7][3];
|
||
double uvxi[7][7][3];
|
||
double xi2;
|
||
double xi4;
|
||
MMDF();
|
||
MMDF(double u_in, double v_in, double lambda_in);
|
||
void calcualte_MMDF();
|
||
};
|
||
|
||
class MMDF1st
|
||
{
|
||
private:
|
||
double u;
|
||
double v;
|
||
double lambda;
|
||
|
||
public:
|
||
double uwhole[4];
|
||
double uplus[4];
|
||
double uminus[4];
|
||
double vwhole[3];
|
||
double xi2;
|
||
MMDF1st();
|
||
MMDF1st(double u_in, double v_in, double lambda_in);
|
||
void calcualte_MMDF1st();
|
||
};
|
||
|
||
|
||
void Collision(double *w0, double left, double right, MMDF &m2, MMDF &m3);
|
||
void Collision(double *w0, double left, double right, MMDF1st &m2, MMDF1st &m3);
|
||
|
||
void A(double *a, double der[4], double prim[4]);
|
||
|
||
double Get_Tau_NS(double density0, double lambda0); // solve the smooth tau
|
||
double TauNS_Sutherland(double density0, double lambda0); // solve the smooth tau by using sutherland
|
||
double TauNS_power_law(double density0, double lambda0); //solver the smooth tau by using power law
|
||
double Get_Tau(double density_left, double density_right, double density0, double lambda_left, double lambda_right, double lambda0, double dt); // solve not smooth numerical tau
|
||
|
||
|
||
double Lambda(double density, double u, double densityE);
|
||
double Lambda(double density, double u, double v, double densityE);
|
||
void Convar_to_ULambda_1d(double* primvar, double convar[3]);
|
||
|
||
//计算α，α=erfc（±√λ*U）
|
||
double Alpha(double lambda, double u);
|
||
//计算β，β=e^(-λ*U^2)/(√πλ)
|
||
double Beta(double lambda, double u);
|
||
//solution of matrix equation b=Ma
|
||
void Microslope(double *a, double der[3], double prim[3]); //in one dimensional
|
||
|
||
void Convar_to_ULambda_2d(double* primvar, double convar[4]);
|
||
|