VolumeOptimization_LA4_assignment.pdf - Geometric Modeling for Engineering Applications ME 331_Fall 2018 ME 331 Lab 4 Assignment – Design Optimization

# VolumeOptimization_LA4_assignment.pdf - Geometric Modeling...

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Geometric Modeling for Engineering Applications ME 331_Fall 2018 ME 331: Lab 4 Assignment – Design Optimization Objective : To optimize the part for minimum volume while considering the yield stress as the max allowable. During lecture the following was calculated using the default standard mesh: Noticing the stress gradients at the hole, we then applied mesh control to the hole surface and selected “Fine” mesh density. And the plot changed slightly to: It was shown that adding additional holes reduced the stress to nearly the yield strength:

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Geometric Modeling for Engineering Applications ME 331_Fall 2018 The objective now is to further optimize the location and the radius of the two holes. Problem setup 1) Left face: fixture fixed. 2) Right face: 50,000 N load applied uniformly to the face 3) Material: Alloy steel, yield strength 620,422,000 N/m 2 . 4) The original plate has the following dimensions in mm: You will place holes (diameter D) at a distance A away from the hole:
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