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*** ERROR # 1807 ***

User: "Altair Forum User"
Altair Employee
Updated by Altair Forum User

 Im getting the following error when i tried to put composite shaft with constrains Mass, and Composite Failure Upperbound 1. The Objective Function is Min Compliance.


 *** ERROR # 1807 ***
 Composite failure responses are applied to ply 9 which
 belongs to a topology or free-size domain.
Help needed, Thank you

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

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    User: "Altair Forum User"
    Altair Employee
    OP
    Updated by Altair Forum User

    Hi @akshay325

     

    The composite failure response is not supported for Topology Optimization. 

    User: "Altair Forum User"
    Altair Employee
    OP
    Updated by Altair Forum User

    Thank you, sir. 

    I also wanted to know how to constrain the free sizing optimized ply thickness to be more than 0.2mm as this is what we can manufacture, I'm using ply 45 and -45 and minimize Mass, and ending up with laminate as shown in the photo.

    <?xml version="1.0" encoding="UTF-8"?>45and-45.PNG

    User: "Altair Forum User"
    Altair Employee
    OP
    Updated by Altair Forum User

    Hi,

     

    You can constrain the thickness of plies during sizing optimization, 

     

    Use TMANUF on PLY or PLYMAN on DSIZE (FREESIZE parameters) which will be carried and implemented during sizing optimization