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Vector.h
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Mon, Sep 9, 00:13
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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 "GooseFEM.h"
// =========================================== GooseFEM ============================================
namespace
GooseFEM
{
// -------------------------------------------------------------------------------------------------
class
Vector
{
private:
// information
xt
::
xtensor
<
size_t
,
2
>
m_conn
;
// connectivity [nelem, nne ]
xt
::
xtensor
<
size_t
,
2
>
m_dofs
;
// DOF-numbers per node [nnode, ndim]
xt
::
xtensor
<
size_t
,
2
>
m_part
;
// DOF-numbers per node, after partitioning [nnode, ndim]
xt
::
xtensor
<
size_t
,
1
>
m_iiu
;
// DOF-numbers that are unknown [nnu]
xt
::
xtensor
<
size_t
,
1
>
m_iip
;
// DOF-numbers that are prescribed [nnp]
// 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
size_t
m_nnu
;
// number of unknown DOFs
size_t
m_nnp
;
// number of prescribed DOFs
public:
// notation:
// "nodevec" - nodal vectors - [nnode, ndim]
// "elemvec" - nodal vectors stored per element - [nelem, nne, ndim]
// "dofval" - DOF values - [ndof]
// "dofval_u" - DOF values (Unknown) - [nnu]
// "dofval_p" - DOF values (Prescribed) - [nnp]
// constructor
Vector
(){};
Vector
(
const
xt
::
xtensor
<
size_t
,
2
>
&
conn
,
const
xt
::
xtensor
<
size_t
,
2
>
&
dofs
);
Vector
(
const
xt
::
xtensor
<
size_t
,
2
>
&
conn
,
const
xt
::
xtensor
<
size_t
,
2
>
&
dofs
,
const
xt
::
xtensor
<
size_t
,
1
>
&
iip
);
// 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
size_t
nnu
()
const
;
// number of unknown DOFs
size_t
nnp
()
const
;
// number of prescribed DOFs
// DOF lists
xt
::
xtensor
<
size_t
,
2
>
dofs
()
const
;
// DOFs
xt
::
xtensor
<
size_t
,
1
>
iiu
()
const
;
// unknown DOFs
xt
::
xtensor
<
size_t
,
1
>
iip
()
const
;
// prescribed DOFs
// convert vectors (overwrite entries that occur more that once)
xt
::
xtensor
<
double
,
1
>
asDofs
(
const
xt
::
xtensor
<
double
,
1
>
&
dofval_u
,
const
xt
::
xtensor
<
double
,
1
>
&
dofval_p
)
const
;
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
,
1
>
asDofs_u
(
const
xt
::
xtensor
<
double
,
2
>
&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
asDofs_u
(
const
xt
::
xtensor
<
double
,
3
>
&
elemvec
)
const
;
xt
::
xtensor
<
double
,
1
>
asDofs_p
(
const
xt
::
xtensor
<
double
,
2
>
&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
asDofs_p
(
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
,
1
>
&
dofval_u
,
const
xt
::
xtensor
<
double
,
1
>
&
dofval_p
)
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
,
1
>
&
dofval_u
,
const
xt
::
xtensor
<
double
,
1
>
&
dofval_p
)
const
;
xt
::
xtensor
<
double
,
3
>
asElement
(
const
xt
::
xtensor
<
double
,
2
>
&
nodevec
)
const
;
// assemble vectors (adds entries that occur more that once)
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
,
1
>
assembleDofs_u
(
const
xt
::
xtensor
<
double
,
2
>
&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
assembleDofs_u
(
const
xt
::
xtensor
<
double
,
3
>
&
elemvec
)
const
;
xt
::
xtensor
<
double
,
1
>
assembleDofs_p
(
const
xt
::
xtensor
<
double
,
2
>
&
nodevec
)
const
;
xt
::
xtensor
<
double
,
1
>
assembleDofs_p
(
const
xt
::
xtensor
<
double
,
3
>
&
elemvec
)
const
;
xt
::
xtensor
<
double
,
2
>
assembleNode
(
const
xt
::
xtensor
<
double
,
3
>
&
elemvec
)
const
;
};
// -------------------------------------------------------------------------------------------------
}
// namespace ...
// =================================================================================================
#endif
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