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Vaccum inside hose

hiranwale_bharat

Hello,

I am thinking of simulating a test for a hose made up of hyperelastic material which will be subjected to -ve pressure to see whether the hose will warp or not.

How can I do this? Can someone give me any suggestion on how to proceed? Do I have to use optistruct or radioss or Acusolve?

Which material card and properties are required?

Regards,

Bharat

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Rahul Rajan_21763

With recent enhancement in Hyperworks Optistruct wrt to Hyperelastic material you can give a try.Depending upon LBC you can make use of any tool.I dont have any readily available material for above requirement.

hiranwale_bharat

Hello Rahul,

Thanks for helpful reply.

Can you brief me more about the 'Mathe' card enhancement. Are there any documents available on it? I am currently using HW-13.

Regards,

Bharat

gopal_rathore

Hi ,

I am also working on similar project with a vacuum tank made of steel. I also have to apply pressure (both high and low) and check for any leakage and deformation in the tank.

I think this will go to Radioss, considering the non-linearity with respect to the material as well as geometry (large deformation). I am also going by the same as of now and using monitored volume pressure card for loading the tank where we can provide a curve based pressure loading on the surface .

hiranwale_bharat

Ok Gopal,

Thanks for the help.

Regards,

Bharat