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Analysis of PVC Pipe_Joint using CosmosWorks 2005

Analysis of PVC Pipe_Joint using CosmosWorks 2005

Analysis of PVC Pipe_Joint using CosmosWorks 2005

(OP)
Dear All,

Assembly consist of pipe socket with incorporated elastomeric gasket (added as sub-assembly), and spigot end of other pipe that is inserted-joined. Modelled using SolidWorks.
In CosmosWorks FEA, 15 mm displacement is introduced normal on spigot end surface in x direction. The exercise was to find insertion (reaction) forces having two different values for friction (No friction and 0.3 cof).
Elastic gasket is touching supporting wall but not along full length, 2/3 of "contact" have small clearance - as per real part. As per default "bonded" contact is used for all touching surfaces expect for spigot contact with elastomeric gasket (Surface contact used). Large displacement DS Solver is used for FEA.
Now, MY PROBLEM IS THAT I GETTING gasket / supporting wall penetration, although default contact/gap setting is "Bonded"??! Do I have to model this contact with no clearance?
Any suggestion is greatly appreciated.
RayR
 

RE: Analysis of PVC Pipe_Joint using CosmosWorks 2005

Yes the parts must be in contact.  The elements can't jump across a gap.

RE: Analysis of PVC Pipe_Joint using CosmosWorks 2005

Gotta ask, but when you are viewing results what is the factor on the displacement scale? If it is more than 1 you will likely see this and it is just a matter of interpretation.

TOP
CSWP, BSSE
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