/MAT/LAW53 (TSAI_TAB)
Block Format Keyword Describes the law that is a uni-directional orthotropic elasto-plastic law and is only used with solid elements.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
---|---|---|---|---|---|---|---|---|---|
/MAT/LAW53/mat_ID/unit_ID or /MAT/TSAI_TAB/mat_ID/unit_ID | |||||||||
mat_title | |||||||||
E11 | E22 | ||||||||
G12 | G23 | ||||||||
fct_ID11 | fct_ID22 | fct_ID12 | fct_ID23 | fct_ID45 | |||||
Fscale11 | Fscale22 | Fscale12 | Fscale23 | Fscale45 |
Definition
Field | Contents | SI Unit Example |
---|---|---|
mat_ID | Material identifier (Integer, maximum 10 digits) |
|
unit_ID | Unit Identifier (Integer, maximum 10 digits) |
|
mat_title | Material title (Character, maximum 100 characters) |
|
Initial density (Real) |
||
E11 | Young's modulus (Real) |
|
E22 | Young's modulus (Real) |
|
G12 | Shear modulus (Real) |
|
G23 | Shear modulus (Real) |
|
fct_ID11 | Yield stress function identifier in direction
11 (Integer) |
|
fct_ID22 | Yield stress function identifier in direction
22 (Integer) |
|
fct_ID12 | Yield stress function identifier in direction
12 (Integer) |
|
fct_ID23 | Yield stress function identifier in direction
23 (Integer) |
|
fct_ID45 | Yield stress function identifier in direction
45 (Integer) |
|
Fscale11 | Scale factor for yield function 11 Default = 1.0 (Real) |
|
Fscale22 | Scale factor for yield function 22 Default = 1.0 (Real) |
|
Fscale12 | Scale factor for yield function 12 Default = 1.0 (Real) |
|
Fscale23 | Scale factor for yield function 23 Default = 1.0 (Real) |
|
Fscale45 | Scale factor for yield function 45 Default = 1.0 (Real) |
▸Example (Plastic)
Comments
- Orthotropic reference frame (1, 2, and 3) is defined in the appropriate property set of each finite element.
- The global frame is ( , , and ).
- The local frame is (
,
, and
).
- The law is othotropic, E33 = E22 and G13 = G12.
- The yield surface is Tsai-Wu yield
criteria:
(1) with(2) (3) (4) The parameters: are variable and introduced by yield function.
- If fct_ID45 ≠
0,
(5)