diff options
Diffstat (limited to 'src/update_beta.c')
-rw-r--r-- | src/update_beta.c | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/src/update_beta.c b/src/update_beta.c deleted file mode 100644 index 4c1bf65..0000000 --- a/src/update_beta.c +++ /dev/null @@ -1,34 +0,0 @@ - -#include "fracture.h" - -double f(double damage) { - assert(damage <= 1 && damage >= 0); - return sqrt(1 - sqrt(1 - damage)); - // return 0.5 - 0.68182 * (0.5 - damage); -} - -double update_beta(double beta, unsigned int width, const double *stress, - const double *damage, double bound_total) { - - double total = 0; - unsigned int num_totaled = 0; - - for (unsigned int i = 0; i < pow(width, 2); i++) { - unsigned int stress_index = - width / 4 + (width / 4 + (i / width) / 2) * width + (i % width) / 2; - double outer_damage = f(pow(fabs(stress[i]), beta)); - double inner_stress = fabs(2 * stress[stress_index] / bound_total); - - if (outer_damage > 0 && inner_stress > 0 && inner_stress != 1) { - total += log(outer_damage) / log(inner_stress); - num_totaled++; - } - } - - assert(num_totaled > 0); - assert(total == total); - - double new_beta = total / num_totaled; - - return new_beta; -} |