1. Discretization#
1.1. Degrees of freedom#
Finite element |
Degrees of freedom (at each vertex node) |
|---|---|
ACOU_… (3D) |
PRES: pressure |
ACOU_FACE… (3D) |
PRES: pressure |
ACPL… (PLAN) |
PRES: pressure |
1.2. Support mesh for stiffness matrices#
Modeling |
Mesh |
Finite element |
Notes |
|---|---|---|---|
3D |
TETRA4 |
ACOU_TETRA4 |
|
TETRA10 |
ACOU_TETRA10 |
||
PENTA6 |
ACOU_PENTA6 |
||
PENTA15 |
ACOU_PENTA15 |
||
HEXA8 |
ACOU_HEXA8 |
||
HEXA20 |
ACOU_HEXA20 |
||
HEXA27 |
ACOU_HEXA27 |
||
PLAN |
TRIA3 |
ACPLTR3 |
|
TRIA6 |
ACPLTR6 |
||
QUAD4 |
ACPLQU4 |
||
QUAD8 |
ACPLQU8 |
||
QUAD9 |
ACPLQU9 |
1.3. Cargo support mesh#
Modeling |
Mesh |
Finite element |
Notes |
|---|---|---|---|
3D |
TRIA3 |
ACOU_FACE3 |
|
TRIA6 |
ACOU_FACE6 |
||
QUAD4 |
ACOU_FACE4 |
||
QUAD8 |
ACOU_FACE8 |
||
QUAD9 |
ACOU_FACE9 |
||
PLAN |
SEG2 |
ACPLSE2 |
|
SEG3 |
ACPLSE3 |