Topology optimization with constraint of first eigen frequency

Altair Forum User

Hello,

 

I need to design a part using topology optimization which has a first eigen frequency above 60 Hz.

 

I have created FE model with loads, SPCs. I would like to perorm topology optimization with minimize mass with displacement constraints and frequency constraint on 1st mode.

 

I have create the eigrl load case

 

My question is while creating the frequency load step should I include SPC's or not. Does it make much difference on the optimization result.

Altair Forum User

I need to design a part using topology optimization which has a first eigen frequency above 60 Hz.

 

Hi @san7eep

 

Is this 60HZ with constraints or without constraints?

 

Use what you have used which gave you 60Hz results.