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Vector.h
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Thu, May 9, 22:20
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rGOOSEFEM GooseFEM
Vector.h
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/*
(c - GPLv3) T.W.J. de Geus (Tom) | tom@geus.me | www.geus.me | github.com/tdegeus/GooseFEM
*/
#ifndef GOOSEFEM_VECTOR_H
#define GOOSEFEM_VECTOR_H
#include "config.h"
namespace
GooseFEM
{
/*
"nodevec" - nodal vectors - [nnode, ndim]
"elemvec" - nodal vectors stored per element - [nelem, nne, ndim]
"dofval" - DOF values - [ndof]
*/
class
Vector
{
public:
// Constructor
Vector
()
=
default
;
Vector
(
const
xt
::
xtensor
<
size_t
,
2
>&
conn
,
const
xt
::
xtensor
<
size_t
,
2
>&
dofs
);
// Dimensions
size_t
nelem
()
const
;
// number of elements
size_t
nne
()
const
;
// number of nodes per element
size_t
nnode
()
const
;
// number of nodes
size_t
ndim
()
const
;
// number of dimensions
size_t
ndof
()
const
;
// number of DOFs
// DOF lists
xt
::
xtensor
<
size_t
,
2
>
dofs
()
const
;
// DOFs
// Copy nodevec to another nodevec
void
copy
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec_src
,
xt
::
xtensor
<
double
,
2
>&
nodevec_dest
)
const
;
// Convert to "dofval" (overwrite entries that occur more than once) -- (auto allocation below)
void
asDofs
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec
,
xt
::
xtensor
<
double
,
1
>&
dofval
)
const
;
void
asDofs
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
,
xt
::
xtensor
<
double
,
1
>&
dofval
)
const
;
// Convert to "nodevec" (overwrite entries that occur more than once) -- (auto allocation below)
void
asNode
(
const
xt
::
xtensor
<
double
,
1
>&
dofval
,
xt
::
xtensor
<
double
,
2
>&
nodevec
)
const
;
void
asNode
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
,
xt
::
xtensor
<
double
,
2
>&
nodevec
)
const
;
// Convert to "elemvec" (overwrite entries that occur more than once) -- (auto allocation below)
void
asElement
(
const
xt
::
xtensor
<
double
,
1
>&
dofval
,
xt
::
xtensor
<
double
,
3
>&
elemvec
)
const
;
void
asElement
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec
,
xt
::
xtensor
<
double
,
3
>&
elemvec
)
const
;
// Assemble "dofval" (adds entries that occur more that once) -- (auto allocation below)
void
assembleDofs
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec
,
xt
::
xtensor
<
double
,
1
>&
dofval
)
const
;
void
assembleDofs
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
,
xt
::
xtensor
<
double
,
1
>&
dofval
)
const
;
// Assemble "nodevec" (adds entries that occur more that once) -- (auto allocation below)
void
assembleNode
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
,
xt
::
xtensor
<
double
,
2
>&
nodevec
)
const
;
// Auto-allocation of the functions above
xt
::
xtensor
<
double
,
1
>
AsDofs
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
AsDofs
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
)
const
;
xt
::
xtensor
<
double
,
2
>
AsNode
(
const
xt
::
xtensor
<
double
,
1
>&
dofval
)
const
;
xt
::
xtensor
<
double
,
2
>
AsNode
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
)
const
;
xt
::
xtensor
<
double
,
3
>
AsElement
(
const
xt
::
xtensor
<
double
,
1
>&
dofval
)
const
;
xt
::
xtensor
<
double
,
3
>
AsElement
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
AssembleDofs
(
const
xt
::
xtensor
<
double
,
2
>&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
AssembleDofs
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
)
const
;
xt
::
xtensor
<
double
,
2
>
AssembleNode
(
const
xt
::
xtensor
<
double
,
3
>&
elemvec
)
const
;
private:
// Bookkeeping
xt
::
xtensor
<
size_t
,
2
>
m_conn
;
// connectivity [nelem, nne ]
xt
::
xtensor
<
size_t
,
2
>
m_dofs
;
// DOF-numbers per node [nnode, ndim]
// Dimensions
size_t
m_nelem
;
// number of elements
size_t
m_nne
;
// number of nodes per element
size_t
m_nnode
;
// number of nodes
size_t
m_ndim
;
// number of dimensions
size_t
m_ndof
;
// number of DOFs
};
}
// namespace GooseFEM
#include "Vector.hpp"
#endif
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