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a basic question about bushings in VIEW

a basic question about bushings in VIEW

a basic question about bushings in VIEW

(OP)
Hello Colleagues

I am trying to define rubber mounts of bearing beds and I represent them with bushing force. My question is regarding bushing settings and more importantly damping and viscous-damping coefficients. Are they expressed in N s/m or they are measureless value ? What is a typical numbers for such in a standard NBR rubber ?


thanks in advance and kind regards
.d
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RE: a basic question about bushings in VIEW

For linear bushings

C=r1,r2,r3
Specifies three viscous damping coefficients for the force transferred by the bushing. The three coefficients multiply the relative translational velocity components of the I marker with respect to the J marker as seen by the J marker and along the x-, y-, and z-axis of the J marker. The force due to damping is zero when there is no relative translational velocity between the two markers. C must be in units of force-time per unit displacement.
Default: 0,0,0

CT=r1,r2,r3
Specifies three viscous damping coefficients for the torque transferred by the bushing. The three coefficients multiply the components of the relative angular velocity of the part containing the I marker with respect to the part containing the J marker as expressed in the x-, y-, and z-axis of the J marker. The torque due to damping is zero when there is no relative angular velocity between the two markers. CT must be in units torque-time per radian*.
Default: 0,0,0

Always check in the Solver help for details.
*some of the ADAMS vertical products think they are in Nmm/deg/s, some of the time. Hilarity ensues.

Cheers

Greg Locock


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