peridigm_damage_model.hpp

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#pragma once
 
#include "utils_io.hpp"
#include "utils_math.hpp"
#include <fstream>
#include <sstream>
#include <string>
 
namespace netdem {
 
class PeriDigmDamageModel {
public:
  enum Type { Critical_Stretch };
 
  Type type{Type::Critical_Stretch};
 
  double critical_stretch{1.0e-2};
 
  void InitFromEnergyReleaseRate(double youngs_modulus, double poissons_ratio,
                                 double horizon, double energy_release_rate);
 
  static double GetStretchFromEnergyReleaseRate(double youngs_modulus,
                                                double poissons_ratio,
                                                double horizon,
                                                double energy_release_rate);
 
  void WriteInputFile(std::ostream &os, int damage_model_id);
};
 
} // namespace netdem