MassMatrixQuadratic.h

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// 
//  This file is part of the FFEA simulation package
//  
//  Copyright (c) by the Theory and Development FFEA teams,
//  as they appear in the README.md file. 
// 
//  FFEA is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
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//  GNU General Public License for more details.
// 
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#ifndef MASSMATRIXQUADRATIC_H_INCLUDED
#define MASSMATRIXQUADRATIC_H_INCLUDED

#define NUM_ELEMENTS_LOWER_TRIANGULAR_10X10 55

#define NUM_SHAPE_FUNCTIONS 10

#define NUM_TET_GAUSS_QUAD_POINTS 14

#include "SecondOrderFunctions.h"
#include "dimensions.h"
class MassMatrixQuadratic {
public:
    MassMatrixQuadratic();

    scalar * get_M_alpha_mem_loc(int i, int j);

    void build(mesh_node *n[10]);

    scalar get_M_alpha_value(int i, int j);
    void print_details();
private:
    scalar M_alpha[NUM_ELEMENTS_LOWER_TRIANGULAR_10X10];

    struct tetrahedron_gauss_point {
        scalar W;
        scalar eta[4];
    };

    void add_psi_dot_products(scalar psi[10], scalar det_J, scalar weight);

    void zero();
};


#endif