1 Reply Latest reply on Jun 13, 2012 4:52 PM by Kevin Corr

Making force dependant on variable other than time (IE displacement)

Michael Kalin Jun 13, 2012 3:03 PM

I have a spring being pressurized in a valve assembly. We want to know at what pressure the spring will relieve, or disengage a certain amount of millimeters from the sealing surface. We have used a time/force curve but it doesn't do much besides make the force occur at a different time. Is there any way to set it so force (pressure) will go up with time but disengage as the sealing surface does?

Re: Making force dependant on variable other than time (IE displacement)

Kevin Corr Jun 13, 2012 4:52 PM (in response to Michael Kalin)

Prescribed displacement is another way of deforming the spring. You mention a certain amount of millimeters so it seems worth a look. Access this in fixtures under advanced. In there, select the same face previously used to apply the load and enter in the millimeters in the field provided. This would imply not having a load on the spring. The reaction force on the spring can be found using the list selected option of the fringe plot.
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