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      Please click here for a short but important announcement   03/26/17

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Sagar Desai

Thermo structural analysis

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Hello Everyone,

 

I am trying to do thermo structural analysis in optistruct. later I have to continue optimisation on structural analysis. Basically thermal expansions are only load for my optimization problem.

 

I faced following difficulties and trying to resolve them, 

 

1. thermo structural analysis in optistruct- ----  I have referred all tutorial and discussion available  a I did find any direct method to read temperature from my thermal analysis and apply it as load in structural analysis. I have pipe carrying hot fluid and I have convection heat loss so direct TEMP use in static is not possible for me and off course I have referred Coupled Linear Heat Transfer/Structure Analysis , however problem is I need to use structural subcase id as reference to my optimization so I cant use CASE_UNSUPPORTED_CARDS control card.

 

2. How to request temperature output in static analysis---- some how if I am able to run structural run with TEMP in static analysis, I will have to compare my temperature contour. So how can I request thermal output in static analysis results. (already have tried loadstep--> edit-->OUTPUT-->THERMAL. didnt work)

 

3. How can I use DRESP2 in optimization, already  have found one discussion on same but corresponding tut link is expired. Basically I want to use relative displacement in my optimization as constraint.

 

Thank you

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