*DAMPING_GLOBAL
LS-DYNA Input Interface KeywordUsed to define the Rayleigh mass and stiffness damping coefficients for the entire model.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
---|---|---|---|---|---|---|---|
*DAMPING_GLOBAL | |||||||
Alpha | Scale_X | Scale_Y | Scale_Z | Scale_XX | Scale_YY | Scale_ZZ |
Definition
Field | Contents | SI Unit Example |
---|---|---|
Alpha | Mass damping coefficient. (Real) |
|
Scale_X | Scale factor for translational degree of freedom (DOF) in X
direction. (Real) |
|
Scale_Y | Scale factor for translational degree of freedom (DOF) in Y
direction. (Real) |
|
Scale_Z | Scale factor for translational degree of freedom (DOF) in Z
direction. (Real) |
|
Scale_XX | Scale factor for rotation degree of freedom (DOF) in X
direction. (Real) |
|
Scale_YY | Scale factor for rotation degree of freedom (DOF) in Y
direction. (Real) |
|
Scale_ZZ | Scale factor for rotation degree of freedom (DOF) in Z
direction. (Real) |
Comments
- This keyword maps to /DAMP.
- If all scale factors are zero, the Alpha value is set in all directions.