CMSPDPM
Bulk Data Entry Defines a spring damper element without reference to a property entry for multibody solution sequence based on marker.
Format
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| CMSPDPM | EID | K | M1 | M2 | B | L | PF | TYPE |
Example
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| CMSPDPM | 3 | 34.5 | 223 | 324 | 0.0 | 1.0 | TRANS |
Definitions
| Field | Contents | SI Unit Example |
|---|---|---|
| EID | Unique element
identification number. (Integer > 0) |
|
| K | Stiffness value. Default = 0.0 (Real or blank) |
|
| M1, M2 | Marker identification
number. (Integer > 0) |
|
| B | Damping value. Default = 0.0 (Real or blank) |
|
| L | Unstretched length of
spring damper. Default = 0 (Real ≥ 0.0 or blank) |
|
| PF | Preload force. Default = 0 (Real or blank) |
|
| TYPE | Type.
|
Comments
- The spring damper force is along the line segment connecting the marker M1 and M2.
- The positive preload force is a stretching force.
- This card is represented as a spring element in HyperMesh.