Training:
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You can either create the geometry directly in Apex Gennerative Design or import already existing files. You can import .xb, .step, and .sldprt files into the program.
Import/create the design Design space including the nondesign Nondesign spaces in MSC Apex Generativ Design 2020 as one solid. For this Jet Engine Bracket the already prepared design Design space was imported.
Create the material in the Materials editor and assign it to the design Design space
The specific values needed are the Young's Modulus (115e3 MPa), poisson ratio (0.3) and density (4.40e-6 kg/mm3)
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Nondesign spaces have to be selected using the Optimization Tools. In this case the four fixation points and two force application points are selected and a nondesign Nondesign space with an offset of 3 mm is created for each.
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To apply the forces the Loads & Boundary Condition Tool is needed. Select cells on the left side. By disabling the Thunderbolt (tool execution mode selector) on the top, both nondesign Nondesign spaces can be selected simultaneously. In the Orientation field an external (local) coordinate system can be selected (coordinate system 1).
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Two loads are created (Force - Moment 1 and Force - Moment 2) with the given values in the table in z- and x-direction which are applied on both nondesign Nondesign spaces. The fourth condition (Force - Moment 4) is also attached on both nondesign Nondesign spaces referring to coordinate system 1.
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Four constraints are created and attached on the nondesign Nondesign spaces:
Name | Direction |
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Constraint 1 | x, y, z (=0) |
Constraint 2 | x, y, z (=0) |
Constraint 3 | x, y, z (=0) |
Constraint 4 | x, y, z (=0) |
Therefore, the Loads & Boundary Condition Tool is needed. Under Displacement Constraints a “clamped” constraint can be chosen, which locks translations in all three directions. On the left side of the Tool the relevant geometry choice can be selected. In this case cells are selected to attach the constaints on the nondesign Nondesign spaces.
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Step 4: Definition of load cases
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All boundary conditions must be assigned to specific load cases, which are defined as Events. The number of Events can be changed by adding/deleting Events to the Meshless Generative Design Scenario. The assignment of the boundary conditions to the Events can be made in the Loads & Constrains Window. The already created loads and constraints that concern the design Design space are listed in this window and can be activated for each Event individually.
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