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stress_transformations_default_case.hh
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rMUSPECTRE µSpectre
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/common.hh"
#include "common/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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