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2D centrifugal force

Altair Forum User

Hi...

I am a new user of Hyperworks.

I want to analyze the centrifugal force and the depending stresses and displacments.

My part is a little bit like a CD. I want to this in 2D.

My Questions>

1. Which element should i use?

2. How to create the constrains?

3. How the creat a cylindrical coordinatesystem?

Best regards

Alex

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Altair Forum User

Hi Alex,

1) Since you want to model it 2D, better use shell elements to model.

2) You may consider constraining at the center of the rotation and apply a centrifugal force using RFORCE in OptiStruct

3) You can create systems using Systems panel

go to Analsysis>> Systems and change system type to Cylindrical

Altair Forum User

thanks for your fast answer...

i tried like descript it... but something must be wrong becaus i get following message>

There were 4403 error messages during input processing.

The first message is repeated below:

*** ERROR # 1237 ***

CQUAD4 element number 2 references a missing property ID 2

or uses property of incorrect type for this element type.

Error # 14 appeared total of 4403 times.

does anybody know where the mistake is?

Altair Forum User

Check if you have assigned a property to the compoenent/elements.