OptFEM3DP1 Toolbox: Opt/MassAssembling3DP1OptV1.m File Reference

| OptFEM3DP1 Toolbox 20130614_170440 Matlab/Octave Optimized P1-Lagrange Finite Element Method in 3D

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MassAssembling3DP1OptV1.m File Reference

Assembly of the Mass Matrix by -Lagrange finite elements in 3D. More...

Go to the source code of this file.

## Functions
function M = | MassAssembling3DP1OptV1 (nq, nme, me, volumes)
| Assembly of the Mass Matrix by -Lagrange finite elements in 3D.

## Detailed Description

Assembly of the Mass Matrix by -Lagrange finite elements in 3D.

- OptV1 version (see report).

Definition in file MassAssembling3DP1OptV1.m.

## Function Documentation

function M = MassAssembling3DP1OptV1 | ( |  | nq,
|  |  | nme,
|  |  | me,
|  |  | volumes
| ) |  |

Assembly of the Mass Matrix by -Lagrange finite elements in 3D.

- OptV1 version (see report).

The Mass Matrix is given by

where are -Lagrange basis functions.

Example

          Th=CubeMesh(10);
          M=MassAssembling3DP1OptV1(Th.nq,Th.nme,Th.me,Th.volumes);

See Also
  ElemMassMat3DP1D0

Copyright
  See License issues

Parameters

  nq | total number of vertices, also denoted by .
  nme | total number of elements, also denoted by .
  me | Connectivity array, array. is the storage index of the -th vertex of the -th tetrahedron in the array of vertices coordinates, and .
  volumes | Array of volumes, . volumes(k) is the volume of the k-th tetrahedron.

Return values

  M | Global mass matrix, sparse matrix.

Definition at line 17 of file MassAssembling3DP1OptV1.m.