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ERROR # 1152 attb must be blank free shape

Hi guys,

I'm trying to run free shape optimization. I already set static stress response and reference to minmax stress. I don't know where is the problem. Below screenshots of my run setup. Could you help me? I will be grateful for some good videos or tutorials with step by step setup creation. I don't even know where I can found ATTB. ( I plan to perform linear static free shape optimization of frame).
Second question: Do i have to implement mesh barriers(bmfaces???)?

Error text:
*** ERROR # 1152 ***
ATTB must be blank or positive integer for this response type.

4.JPG.d8e45d10990859db8f64bcc356a3aefb.JPG

3.JPG.227c5f502920de8ee55e4ce3ef8f2475.JPG 2.JPG.ce2f61463cbe74fe78c9d50e305932aa.JPG
1.JPG.97453c399bf8fb713f2f61c6a2045804.JPG 5.JPG.8f791ac6de99c958206988b6d6109670.JPG

<?xml version="1.0" encoding="UTF-8"?>

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PrasannaK

Hi,

Attaching the tutorial pdf- Free Shape Optimization for your reference.

Thank you

Unable to find an attachment - read this blog

przemyslaw.bolisega1

Hi,

Attaching the tutorial pdf- Free Shape Optimization for your reference.

Thank you

Thank you for tutorial but this one doesn't solve this problem.

Unable to find an attachment - read this blog

Laura Feria_22043

Hi, I had the same problem and then I found out that it was related with my stactic stress response. That parameter is the one that should be positive or in blank.