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src
fields
generic_field.hh
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/*!
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*
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* Copyright (C) 2015 Technical University of Liberec. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 3 as published by the
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* Free Software Foundation. (http://www.gnu.org/licenses/gpl-3.0.en.html)
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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*
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* @file generic_field.hh
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* @brief
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*/
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#ifndef GENERIC_FIELDS_HH_
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#define GENERIC_FIELDS_HH_
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/**
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* @file
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* @brief Fields computed from the mesh data.
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*
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* This file collects fields that are independent of particular equation and
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* depends only on data in mesh.
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*/
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#include "
fields/field.hh
"
// for Field
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#include "
fields/field_values.hh
"
// for FieldValue
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#include "
input/type_base.hh
"
// for Array
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#include "
input/type_generic.hh
"
// for Instance
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class
Mesh
;
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template
<
int
spacedim>
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class
GenericField
{
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public
:
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/// Index value type
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typedef
typename
FieldValue<spacedim>::Scalar
DoubleScalar
;
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/// Index valued field
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typedef
Field<spacedim, DoubleScalar>
IndexField
;
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/**
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* Returns an instance of a scalar integer field that provides ID's of regions.
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*/
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static
auto
region_id
(
Mesh
&mesh) ->
IndexField
;
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/**
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* Returns an instance of a scalar integer field that provides ID's of subdomains used for
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* domain decomposition.
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*
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* TODO: FieldFE just use provided data pointer (unsafe solution), so currently we store the data into a mesh.
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* Which is safe as long as we have one mesh for whol calculation.
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* After we have FieldFE that use some sort of Vector class with own memory management, we should use these
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* to pass the data in safe way.
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*/
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static
auto
subdomain
(
Mesh
&mesh) ->
IndexField
;
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};
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#endif
/* GENERAL_FIELDS_HH_ */
GenericField
Definition:
generic_field.hh:37
type_base.hh
GenericField::IndexField
Field< spacedim, DoubleScalar > IndexField
Index valued field.
Definition:
generic_field.hh:43
type_generic.hh
GenericField::DoubleScalar
FieldValue< spacedim >::Scalar DoubleScalar
Index value type.
Definition:
generic_field.hh:41
field_values.hh
GenericField::subdomain
static auto subdomain(Mesh &mesh) -> IndexField
Definition:
generic_field.impl.hh:58
FieldValue_
Definition:
field_values.hh:248
GenericField::region_id
static auto region_id(Mesh &mesh) -> IndexField
Definition:
generic_field.impl.hh:39
Mesh
Definition:
mesh.h:77
Field
Class template representing a field with values dependent on: point, element, and region.
Definition:
field.hh:95
field.hh
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