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Goal of this tutorial

  • Get to know the optimisation model setup with symmetry constraint

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Training:

Relevant data for this tutorial:

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The program starts and you can directly create your optimisation model

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Step 2: Model generation

You can either create the geometry directly in MSC Apex Generative Design or import already existing files. You can import for example .xb, .xt, .step, and .sldprt files into the program.

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  • If symmetry is activated, the Z-direction of the symmetry coordinate system is the build direction. Therefore the symmetry coordinate system needs to be adjusted. For this the transformation Option option can be changed to rotating the coordinate system with “R”. Select the red ring for rotation about the x-axis (-90°). The Z-direction shouldn’t be orientated normal to a symmetry plane. Further information regarding build direction and support reduction can be found here.

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  • Create the material in the Materials editor and assign it to the Design Space. In this case the material behaviour is Isotropic.

  • The specific values needed are the Young's Modulus (192372 MPa), Poisson ratio (0.3) and Density (7.97E-6 kg/mm3).

  • The Tension Strength is the maximum allowable stress for the material and is set to 320 MPa.

Step 3: Definition of boundary conditions

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  • One Interface is created on the same surface the force is applied to. Therefore, an Non-Design Space Thickness of 1 mm and a Machining Allowance of 1 mm is entered. Now select the surface and confirm the selection (MMB)

  • One Interface is created on all surfaces, except the top one, of the fixation Non-Design Space. Therefore, an Non-Design Space Thickness of 3mm 3 mm and a Machining Allowance of 2mm 2 mm is entered. Now select the surfaces and confirm the selection (MMB).

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The whole MSC Apex Generative Design project with all results can be downloaded here:

View file
nameBridge_2022-4.7z

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