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.. _conventions_terminology:
Terminology
===========
Sizes
-----
+-----------+----------------------------------+
| Alias | Description |
+===========+==================================+
| *nnode* | number of nodes |
+-----------+----------------------------------+
| *ndim* | number of dimensions |
+-----------+----------------------------------+
| *nelem* | number of elements |
+-----------+----------------------------------+
| *nne* | number of nodes per element |
+-----------+----------------------------------+
| *tdim* | number of dimensions of a tensor |
+-----------+----------------------------------+
Arrays
------
+-----------+-------------------------------------+
| Alias | Description |
+===========+=====================================+
| *dofval* | degrees of freedom |
+-----------+-------------------------------------+
| *nodevec* | nodal vector |
+-----------+-------------------------------------+
| *elemvec* | nodal vector stored per element |
+-----------+-------------------------------------+
| *elemmat* | matrix stored per element |
+-----------+-------------------------------------+
| *qscalar* | scalar stored per integration point |
+-----------+-------------------------------------+
| *qtensor* | tensor stored per integration point |
+-----------+-------------------------------------+
Names
-----
+-----------+-------------------+
| Alias | Description |
+===========+===================+
| *coor* | nodal coordinates |
+-----------+-------------------+
| *conn* | connectivity |
+-----------+-------------------+
Elements
--------
+-----------+-------------------------------------+
| Alias | Description |
+===========+=====================================+
| *Tri3* | 2-d triangular element (3 nodes) |
+-----------+-------------------------------------+
| *Quad4* | 2-d quadrilateral element (4 nodes) |
+-----------+-------------------------------------+
| *Hex8* | 3-d hexahedral element (8 nodes) |
+-----------+-------------------------------------+
Coordinates
-----------
* Nodal coordinates: each node has one row
* Shape [*nnode*, *ndim*]
* Denoted: *coor*
Connectivity
------------
* Node numbers per element: each element has one row
* Shape [*nelem*, *nne*]
* Denoted: *conn*
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