1. Discretization#
1.1. Degrees of freedom#
Modeling |
Degrees of freedom (at each vertex node) |
3D_ ABSO |
DX: Next move \(X\) |
DY: next move \(Y\) |
|
DZ: next move \(Z\) |
1.2. Support meshes for stiffness matrices#
The support meshes of the finite elements can be quadrangles or triangles. The elements are iso-parametric.
Modeling |
Mesh |
Interpolation |
Remarks |
3D_ ABSO |
|
linear |
|
TRIA6 |
quadratic |
||
QUAD4 |
linear |
||
QUAD8 QUAD9 |
quadratic |
1.3. Load support meshes#
The same as before.