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muSpectre/src/materials/stress_transformations_default_case.hh
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stress_transformations_default_case.hh
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/**
* @file stress_transformations_default_case.hh
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 29 Oct 2018
*
* @brief default structure for stress conversions
*
* Copyright © 2018 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with µSpectre; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef SRC_MATERIALS_STRESS_TRANSFORMATIONS_DEFAULT_CASE_HH_
#define SRC_MATERIALS_STRESS_TRANSFORMATIONS_DEFAULT_CASE_HH_
#include "common/muSpectre_common.hh"
#include <libmugrid/T4_map_proxy.hh>
namespace muSpectre {
namespace MatTB {
namespace internal {
/** Structure for functions returning PK1 stress from other stress
*measures
**/
template <Dim_t Dim, StressMeasure StressM, StrainMeasure StrainM>
struct PK1_stress {
//! returns the converted stress
template <class Strain_t, class Stress_t>
inline static decltype(auto) compute(Strain_t && /*strain*/,
Stress_t && /*stress*/) {
// the following test always fails to generate a compile-time error
static_assert((StressM == StressMeasure::Cauchy) &&
(StressM == StressMeasure::PK1),
"The requested Stress conversion is not implemented. "
"You either made a programming mistake or need to "
"implement it as a specialisation of this function. "
"See PK2stress<PK1,T1, T2> for an example.");
}
//! returns the converted stress and stiffness
template <class Strain_t, class Stress_t, class Tangent_t>
inline static decltype(auto) compute(Strain_t && /*strain*/,
Stress_t && /*stress*/,
Tangent_t && /*stiffness*/) {
// the following test always fails to generate a compile-time error
static_assert((StressM == StressMeasure::Cauchy) &&
(StressM == StressMeasure::PK1),
"The requested Stress conversion is not implemented. "
"You either made a programming mistake or need to "
"implement it as a specialisation of this function. "
"See PK2stress<PK1,T1, T2> for an example.");
}
};
} // namespace internal
} // namespace MatTB
} // namespace muSpectre
#endif // SRC_MATERIALS_STRESS_TRANSFORMATIONS_DEFAULT_CASE_HH_
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