how to know the element stiffness and as constraint in optimization

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

hi everyone

in my topology optimization case, i want to definite a objective contain a equation which consist of element stiffness (global stiffness or local stiffness), what can i do this.

Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited November 2018

    Hi,

     

    Instead, you can use compliance which is the reverse of stiffness. Run a linear static analysis to get the global compliance from the .out file

     

    If you are looking for a specific part, please use OUTPUT>>REGCOMPL>>YES

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited November 2018

    thank you 

    but i want to use the displacement matrix in  topology optimization response , how can i do