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shape_lagrange_base.hh
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Wed, May 29, 11:45

shape_lagrange_base.hh
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/**
* Copyright (©) 2017-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
/* -------------------------------------------------------------------------- */
#include "shape_functions.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_SHAPE_LAGRANGE_BASE_HH_
#define AKANTU_SHAPE_LAGRANGE_BASE_HH_
namespace akantu {
class ShapeLagrangeBase : public ShapeFunctions {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ShapeLagrangeBase(const Mesh & mesh, Int spatial_dimension, ElementKind kind,
const ID & id = "shape_lagrange");
~ShapeLagrangeBase() override;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// computes the shape functions for given interpolation points
virtual void computeShapesOnIntegrationPoints(
const Array<Real> & nodes, const Ref<const MatrixXr> integration_points,
Array<Real> & shapes, ElementType type, GhostType ghost_type,
const Array<Int> & filter_elements = empty_filter) const;
/// computes the shape functions derivatives for given interpolation points
virtual void computeShapeDerivativesOnIntegrationPoints(
const Array<Real> & nodes, const Ref<const MatrixXr> integration_points,
Array<Real> & shape_derivatives, ElementType type, GhostType ghost_type,
const Array<Int> & filter_elements = empty_filter) const = 0;
/// function to print the containt of the class
void printself(std::ostream & stream, int indent = 0) const override;
template <ElementType type>
void computeShapesOnIntegrationPoints(
const Array<Real> & nodes, const Ref<const MatrixXr> integration_points,
Array<Real> & shapes, GhostType ghost_type,
const Array<Int> & filter_elements = empty_filter) const;
public:
void onElementsAdded(const Array<Element> & elements) override;
void
onElementsRemoved(const Array<Element> & elements,
const ElementTypeMapArray<Idx> & new_numbering) override;
protected:
/// The kind to consider
ElementKind _kind;
};
} // namespace akantu
#include "shape_lagrange_base_inline_impl.hh"
#endif /* AKANTU_SHAPE_LAGRANGE_BASE_HH_ */

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