*** ERROR # 5043 *** CHBDYE can't be applied in topology or free-size design domain. CHBDYE surface element 8707 is applied to topology or free-size design element 8542 .

vasavi m

Hello, I'm new to Optistruct and I'm trying to slove thermal topology optimization  related problem, but i got this following error,

error *** ERROR # 5043 ***
 CHBDYE can't be applied in topology or free-size design domain.
 CHBDYE surface element 8707 is applied to topology or 
 free-size design element 8542 .

I have attacted  .fem file for reference

please help me to overcome this

Vasavi M

Adriano A. Koga

have you tried checking this example?

https://2023.help.altair.com/2023/hwsolvers/os/topics/solvers/os/topology_optimization_flat_plate_thermal_compliance_response_example_r.htm

looks similar to what you're looking.