*MAT_027 (MOONEY-RIVLIN_RUBBER)
LS-DYNA Input Interface KeywordDefines a Mooney-Rivlin isotropic hyperelastic incompressible material.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
*MAT_027 or *MAT_MOONEY-RIVLIN_RUBBER | |||||||
mat_ID | ρi | υ | A | B | |||
Length | Width | Thickness | LCID |
Definition
Field | Contents | SI Unit Example |
---|---|---|
mat_ID | Material identifier. (Integer) |
|
ρi | Initial density. (Real) |
[kgm3] |
A, B | Mooney-Rivlin Material constants. (Real) |
|
υ | Poisson’s ratio. (Real) |
[Pa] |
Length | Sample length. (Real) |
[m] |
Width | Sample width. (Real) |
[m] |
Thickness | Sample thickness. (Real) |
[m] |
LCID | Function identifier of Force versus
elongation. (Integer) |
[N] |
Comments
- This maps to /MAT/LAW69, if LCID is defined otherwise it maps to /MAT/LAW42 (OGDEN).
- The option “_TITLE” can be added to the end of this keyword. When “_TITLE” is included, an extra 80 characters long line is added after the keyword input line which allows an entity title to be defined.