triElem.h

Go to the documentation of this file.

/*
 * -------------------------------------------
 * Copyright (c) 2021 - 2026 Prashant K. Jha
 * -------------------------------------------
 * PeriDEM https://github.com/prashjha/PeriDEM
 *
 * Distributed under the Boost Software License, Version 1.0. (See accompanying
 * file LICENSE)
 */
 
#ifndef FE_TRIELEM_H
#define FE_TRIELEM_H
 
#include "baseElem.h" // base class BaseElem
 
namespace fe {
 
class TriElem : public BaseElem {
 
public:
  explicit TriElem(size_t order);
 
  double elemSize(const std::vector<util::Point> &nodes) override;
 
  std::vector<double>
  getShapes(const util::Point &p,
            const std::vector<util::Point> &nodes) override;
 
  std::vector<std::vector<double>>
  getDerShapes(const util::Point &p,
               const std::vector<util::Point> &nodes) override;
 
private:
  std::vector<double> getShapes(const util::Point &p) override;
 
  std::vector<std::vector<double>> getDerShapes(const util::Point &p) override;
 
  util::Point mapPointToRefElem(const util::Point &p,
                    const std::vector<util::Point> &nodes) override;
 
  double getJacobian(const util::Point &p,
                     const std::vector<util::Point> &nodes,
                     std::vector<std::vector<double>> *J) override;
 
  void init() override;
};
 
} // namespace fe
 
#endif // FE_TRIELEM_H