cfem/quadratics.h at master · VT-ICAM/cfem · GitHub

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double cf_quadratic_coefficients[6*6] = {
         2,  4,  2, -3, -3, 1,
         2,  0,  0, -1,  0, 0,
         0,  0,  2,  0, -1, 0,
        -4, -4,  0, 4,   0, 0,
         0,  4,  0,  0,  0, 0,
         0, -4, -4,  0,  4, 0};

double cf_quadratic_coefficients_dx[6*6] = {
        0, 0, 0,  4,  4, -3,
        0, 0, 0,  4,  0, -1,
        0, 0, 0,  0,  0,  0,
        0, 0, 0, -8, -4,  4,
        0, 0, 0,  0,  4,  0,
        0, 0, 0,  0, -4,  0};

double cf_quadratic_coefficients_dy[6*6] = {
        0, 0, 0,  4,  4, -3,
        0, 0, 0,  0,  0,  0,
        0, 0, 0,  0,  4, -1,
        0, 0, 0, -4,  0,  0,
        0, 0, 0,  4,  0,  0,
        0, 0, 0, -4, -8,  4};

double cf_quadratic_coefficients_dxx[6*6] = {
        0, 0, 0, 0, 0,  4,
        0, 0, 0, 0, 0,  4,
        0, 0, 0, 0, 0,  0,
        0, 0, 0, 0, 0, -8,
        0, 0, 0, 0, 0,  0,
        0, 0, 0, 0, 0,  0};

double cf_quadratic_coefficients_dyy[6*6] = {
        0, 0, 0, 0, 0,  4,
        0, 0, 0, 0, 0,  0,
        0, 0, 0, 0, 0,  4,
        0, 0, 0, 0, 0,  0,
        0, 0, 0, 0, 0,  0,
        0, 0, 0, 0, 0, -8};