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Goal of this tutorial
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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.
Import/create the Design Space including the Interfaces (Non-Design Spaces) in MSC Apex Generative Design as one solid. For this Bridge the already prepared Design Space was imported.
Open the Design Space Tool in the Optimization Tools to select the imported Geometry as the Design Space. Activate the Symmetric Design Constraint and select the XZ and YZ planes to set up the symmetric optimisation.
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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.
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One constraint on the foot is created and attached on the Non-Design Space:
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Constraint 1 | x, y, z (=0) |
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Step 4: Interface Creation
Interfaces have to be created for every functional surface - so every surface where a boundary condition is applied to. With this Tool an offset to the inside with the input “Non-Design Space Thickness” and an offset to the outside with the input “Machining Allowance” is created. The Offset Distance is expanding the Interface to the set value to create material on front faces.
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 3 mm and a Machining Allowance of 2 mm is entered. Now select the surfaces and confirm the selection (MMB).
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All boundary conditions must be assigned to the specific load cases, which are defined as Events. The number of Eventscan be changed by adding/deleting Eventsto the GD Scenario. The assignment of the boundary conditions to the Eventscan be made in the Loads & Constrains Window. The already created loads and constraints that concern the Design Space are listed in this window and can be activated for each Eventindividually.
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The whole MSC Apex Generative Design project with all results can be downloaded here:
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