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#10238 - 03/14/07 04:02 AM Horizontal & vertical deflection due to sagging and hogging
christ Offline
Member

Registered: 05/13/05
Posts: 1
Loc: singapore
Hi all,

Appreciate if anyone could advise me if Ceaser II can performe the above stated calculation??
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christine

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#10239 - 03/14/07 04:39 AM Re: Horizontal & vertical deflection due to sagging and hogging [Re: christ]
MoverZ Offline
Member

Registered: 11/22/06
Posts: 1195
Loc: Hants, UK
We like to spell it 'Caesar'.

I guess that you are dealing with an FPSO or similar.

Presuming that you can get deflection data for all your support and restraint locations, either replace them all with specified displacements or define a cnode at each point and define a displacement at the cnode.

You may need to define several different displacements at the same point. That's no problem, use D1, D2 D3 etc. to identify each case.

Cheers.

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#10262 - 03/14/07 03:56 PM Re: Horizontal & vertical deflection due to sagging and hogging [Re: MoverZ]
Loren Brown Offline
Member

Registered: 10/18/01
Posts: 285
Loc: Houston, TX
I wouldn't replace restraints with displacements unless the restraint is linear. For example, displacing a +Y support downward 1 inch (to displace supports use a Cnode and displace the Cnode) is not the same as displacing the pipe downward 1 inch. In the first case the pipe could still lift off the support and in the second case it cannot move in the vertical, but is fixed with a negative 1-inch displacement.
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Loren Brown
Director of Technical Support
CADWorx & Analysis Solutions
Intergraph Process, Power, & Marine
12777 Jones Road, Ste. 480, Houston, TX 77070 USA

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