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Vincent

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  1. Hi, I am a new user to hypermesh, I am currently doing a university project on topology optimization on an aircraft engine fan blade, I have some problems to create the results, I received an error message: 


     *** ERROR # 2148 ***
     Invalid design problem.
     All the sensitivities of response 1 (objective) are zero.

    I think I have set up everything to get the results, I have attach the model, if you are free, can you please have a look.

    Thanks a lot.

    fan-model1.hm

  2. Hello, I am a new user to hyperworks, I am a student and currently doing a project on topology optimization on an engine fan blade, I have gone through the tutorials and built up my model, but I have some problems to create the results of topology optmization, basicly my model has two structures, one external structure (Non-design) and one internal structure(design) and they are meshed seperately, I am trying to optimize the internal strucure while under centrifugal load and aerodynamic load, therefore I set the external structure as the constraint, and applied aerodynamic load and centrifugal load on the structure, I received an error message when I was creating the result, can anyone help me check what is the problem? The message is :" Invalid design problem. All the sensitivities of response 1 (objective) are zero." I have attached my model file, please help me take a look which part is incorrect to get the result. Thanks a lot. fan-blade-project.hm
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