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Can i choose Inner radius and outer radius as design variable for size optimization of a structure made up of 1D tube element ?
Hi Vrushang,
Yes, you can use PBEAML property and DIM2 will be your design variable.
@Prakash Pagadala Thank you sir for help.
I attached hm and fem file for this problem:
when i run analysis, it gives me error,
ERROR IN Analysis
In .FEM file it write this lines for PBEAML properties:
$$HMERROR: Only OS Solver Standard Sections are supported.
OptiStruct gives this error:
*** ERROR # 1479 *** in the input data: Incorrectly formatted numeric data in field 9. (If it is a character field, it should start with a letter.)
ERROR IN Optimization setup
When i try to create DIM2 as a size design variable from Optimization>size>generic Relationship
i can not get the DIM2 option. (Image for this is attached as opti.png)
If DIM2 is not possible with GUI, I can do that with TCL script.
but is there any way to access this from GUI.
Unable to find an attachment - read this blog
@Vrushang
Looks like you have used HyperMesh section. Please use OptiStruct standard section to create beam using HyperBeam.
<?xml version="1.0" encoding="UTF-8"?>
hope this will be helpful :
http://www.altairuniversity.com/wp-content/uploads/2013/02/Tutorial_Conceptual_Bike_Design_18_37.pdf
http://www.altairuniversity.com/wp-content/uploads/2012/04/Size_1.pdf
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