CMSPDPE
Bulk Data Entry Defines a spring damper element without reference to a property entry for multibody solution sequence.
Format
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | 
|---|---|---|---|---|---|---|---|---|---|
| CMSPDPE | EID | KEID | G1 | G2 | BEID | L | PF | TYPE | 
Example
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | 
|---|---|---|---|---|---|---|---|---|---|
| CMSPDPE | 3 | 3 | 223 | 324 | 4 | 1.0 | TRANS | 
Definitions
| Field | Contents | SI Unit Example | 
|---|---|---|
| EID | Unique element
                                identification number. (Integer > 0)  | 
                            |
| KEID | MBVAR
                                ID for stiffness expression. Default = 0 (Integer ≥ 0 or blank)  | 
                            |
| G1, G2 | Grid point identification
                                    number. (Integer > 0)  | 
                            |
| BEID | MBVAR
                                ID for damping expression. Default = 0 (Integer ≥ 0 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 grids G1 and G2.
 - The positive preload force is a stretching force.
 - This card is represented as a spring element in HyperMesh.