model_volume_based.hpp

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#pragma once
 
#include "collision_geometries.hpp"
#include "contact_model.hpp"
#include <unordered_map>
 
namespace netdem {
 
class VolumeBased : public ContactModel {
public:
  int order{2};
  double kn{2e6}, kt{1e6}, beta{0.7}, mu{0.5};
 
  VolumeBased();
 
  VolumeBased(double kn, double kt, double mu, 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 EvaluateForces(ContactForces *const cnt_forces,
                      CollisionGeometries &cnt_geoms, ContactPP *const cnt,
                      double dt) const override;
 
  void EvaluateForces(ContactForces *const cnt_forces,
                      CollisionGeometries &cnt_geoms, ContactPW *const cnt,
                      double dt) const override;
 
  void Print() const override;
};
 
} // namespace netdem