model_parallel_bond.hpp

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#pragma once
 
#include "contact_model.hpp"
#include "utils_math.hpp"
 
namespace netdem {
 
class ContactPP;
class ContactPW;
 
class ParallelBond : public ContactModel {
public:
  double kn{2e6}, kt{1e6};
 
  double max_sig_n{1.0e6}, max_sig_t{1.0e6};
 
  // dash-pot damping
  double beta{0.0};
 
  ParallelBond();
 
  ParallelBond(double kn, double kt, double sig_n, double sig_t, double beta);
 
  nlohmann::json PackJson() override;
 
  void InitFromJson(nlohmann::json const &js) override;
 
  void SetProperty(nlohmann::json const &js) override;
 
  ContactModel *Clone() const override;
 
  void SetRadius(double r);
 
  void EvaluateForces(ContactForces *const cnt_forces,
                      BondGeometries &cnt_geoms, ContactPP *const cnt,
                      double dt) const override;
 
  void EvaluateForces(ContactForces *const cnt_forces,
                      BondGeometries &cnt_geoms, ContactPW *const cnt,
                      double dt) const override;
 
  void Print() const override;
};
 
} // namespace netdem