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#20500 - 09/04/08 02:11 PM Hanger Support Design
paldex Offline
Member

Registered: 04/30/08
Posts: 101
Loc: Qatar
Hi,

This is the first time for me to design an Hanger Support using Caesar software. My doubt is how to give an input.

Is that just to select an hanger option and select the support standard (for ex. Grinnell etc.) only so that others datas shall be considered based on the selected support standard (or) is it to fill all the variables in the Hanger spreadsheet data.

I am awaiting for the good solution of the above query.

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#20504 - 09/04/08 03:13 PM Re: Hanger Support Design [Re: paldex]
Dave Diehl Offline
Member

Registered: 12/14/99
Posts: 2382
Loc: Houston, TX, USA
The program should be able to select a spring if you only specify the node number. Of course that would use the default hanger table (Anvil) and allow a 25% load variation.

You can modify the selection process or criteria by specifying other hanger design parameters.
_________________________
Dave Diehl

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#20535 - 09/07/08 10:58 AM Re: Hanger Support Design [Re: Dave Diehl]
paldex Offline
Member

Registered: 04/30/08
Posts: 101
Loc: Qatar
Dear Friends,

I have one doubt in Hanger design,

When I start the analysis for Hanger desing, Caesar displays the message as below,

Anal-1,

"Hanger Pre-loads (H) will be ignored for load cases with higher stiffness option set to rigid (except for those pre-defined hanger in the weight for hanger load casee)".

My doubt is, Is there is any problem with the input or its only a message before the hanger analysis.

Kindly discuss and i am waiting for the reply...

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#20537 - 09/07/08 12:18 PM Re: Hanger Support Design [Re: paldex]
Richard Ay Offline
Member

Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
For each load case, you can set (in the Load Case Editor) how the hanger stiffness will be treated. For your load cases you have "rigid", "as designed", and "ignore". The message you're seeing simply means that if you have "rigid" set for a particular load case, the pre-load associted with variable spring hangers will not be applied in that case. ("Rigid" would be used to lock the spring, say for a hydrotest evaluation. Therefore the preload would not be applied.)

Is this a problem - only if selecting "rigid" was wrong.
_________________________
Regards,
Richard Ay - Consultant

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