ExtrapolatableElement.h
/**
* \file
* \copyright
* Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#pragma once
#include <Eigen/Core>
namespace NumLib
{
/*! Interface for providing shape matrices and integration point values for
* extrapolation,
*
* Local assemblers that want to have some integration point values extrapolated
* using an Extrapolator have to implement this interface.
*/
class ExtrapolatableElement
{
public:
//! Provides the shape matrix at the given integration point.
virtual Eigen::Map<const Eigen::RowVectorXd> getShapeMatrix(
const unsigned integration_point) const = 0;
virtual ~ExtrapolatableElement() = default;
};
} // namespace NumLib