Source.cpp File Reference

Computes the source terms of the system. More...

#include "Carmen.h"

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Functions
Vector	Source (Cell &UserCell)
	Returns the source term in the cell UserCell. More...

Detailed Description

Computes the source terms of the system.

Function Documentation

Vector Source

(

Cell &

UserCell

)

Returns the source term in the cell UserCell.

Parameters

UserCell

Cell value

Returns

Vector

Gravity vector

{
    // ---  Local variables ---

    Vector Force(Dimension);
    Vector Result(QuantityNb);
    Result.setZero();

    Vector V(3);
    real Gx=0., Gy=0., Gz=0.,rho=0.;
    for(int i=1;i<=3;i++)
        V.setValue(i,UserCell.average(i+1));
    rho = UserCell.density();
    Gz = 0.2;
    Result.setValue(2,rho*Gx);
    Result.setValue(3,rho*Gy);
    Result.setValue(4,rho*Gz);
    Result.setValue(5,rho*(Gx*V.value(1) + Gy*V.value(2) + Gz*V.value(3)));

    Result.setZero();
    return Result;

}

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