The contribution to the total compliance of the subcomponents

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

Hi,

 

In the case of sub-components forming part of a global structure, the contribution to the total compliance of the subcomponents can be very small, even if the surrounding structure is condensed into a super-element. This contribution can be detailed by calculating the deformation energy of the elements constituting the subcomponent.

and this is my problem right now, i want to optimize my Design_Space ( in red ) with objective minimze compliance and Cstr= Volfrac=30%

but the compliance of my design space = 3E+2 and the total compliance=6e+7, so it's negligible. so i tried to use an OFFSET of the objective, i tried to use a LOG equations to make the difference between the two compliances in the same scale.. but all that didn't work !  There is a solution to have a result please ?  

 

 

Best 

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