Termosolver/FiniteElement.h at main · Kuprin2000/Termosolver · GitHub

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#pragma once
#include <array>
#include <vector>
#include <map>
#include <cmath>
#include <iostream>
#include "Defines.h"

using namespace std;

class FiniteElement {
private:
	unsigned int  m_id;
	array<unsigned int, NODES_PER_ELEMENT> m_nodes_id;
	array<double, COORDS_PER_NODE> m_center;
	array<double, NODES_PER_ELEMENT> m_a_coeff, m_b_coeff, m_c_coeff, m_d_coeff;
	double m_volume;

private:
	void initCenter(const vector<array<double, COORDS_PER_NODE>>* coord_array);
	void initVolume(const vector<array<double, COORDS_PER_NODE>>* coord_array);
	void initShapeFunctions(const vector<array<double, COORDS_PER_NODE>>* coord_array);
	double calcDeleterminantPtr(double* matrix[3][3]) const;
	double calcDeterminant(const double matrix[][3]) const;

public:
	FiniteElement(unsigned int  id, const array<unsigned int, NODES_PER_ELEMENT>* nodes_id,
				  const vector<array<double, COORDS_PER_NODE>>* coord_array);
	unsigned int  getID() const;
	const array<unsigned int, NODES_PER_ELEMENT>* getNodesId() const;
	const array<double, COORDS_PER_NODE>* getCenter() const;
	const array<double, NODES_PER_ELEMENT>* getCoeffsA() const;
	const array<double, NODES_PER_ELEMENT>* getCoeffsB() const;
	const array<double, NODES_PER_ELEMENT>* getCoeffsC() const;
	const array<double, NODES_PER_ELEMENT>* getCoeffsD() const;
	double getVolume() const;
};