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Goal of this tutorial
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Training:
Relevant data for this tutorial:
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Inside the Post Processing the Failure Criteria, the displacements, the optimisation achievement index and the volume/mass are visible for all iterations
The Scale can be influenced individually
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Mass: 4540.6 9 g – This is a weight saving of 15 14 % compared to the default calculation with isotropic material and von Mises Stress as a Failure Criterion by taking advantage of the different directional dependent material limits!
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Mass: 42.2 g – This is a weight saving of 21 11 % compared to the default calculation with isotropic material and von Mises Stress as a Failure Criterion by taking advantage of the different tension and compression strength besides the directional dependent material limits!
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The stiffness of the material is in all directions uniformly. As the Failure Criterion the FFF Thumb Rule is calculated. With the FFF Thumb Rule the maximum allowable Stress (Stress Goal) in build direction can be scaled. This is especially useful for a Manufacturing Method like FFF. The result is shown in the following picture with the same optimisation set up except the material properties and Failure Criterion.
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Mass: 4742.5 4 g – This is a 12 11 % weight saving compared with the von Mises Stress Failure Criterion by taking advantage of the higher allowable stress for the in-plane directions!
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The stiffness of the material is in all directions uniformly. As the Failure Criterion the von Mises Stress is calculated. The result is shown in the following picture with the same optimisation set up except the material properties and Failure Criterion.
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Mass: 5347.7 g – This is a weight increase of 21 11 % compared with the transversely isotropic material by taking advantage of higher allowable stresses for the in-plane directions and compression (Directional dependent Tsai-Wu Failure Criterion)!
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The whole MSC Apex Generative Design projects with all results for the different anisotropic behaviour settings can be downloaded here:
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File Name | Material Stiffness | Failure Criterion |
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Hook_2023-3_Iso_vM.7z | Isotropic | von Mises |
Hook_2023-3_Iso_TR.7z | Isotropic | FFF Thumb Rule |
Hook_2023-3_TransIso_TH.7z | Transversely Isotopic | Directional Dependency (Tsai-Hill) |
Hook_2022023-3_TranIso_TW.7z | Transversely Isotopic | Directional Dependency (Tsai-Wu) |
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