Su03_Final_Project - Finite Element Project CAD/CAM Summer...

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Finite Element Project, CAD/CAM Summer 2003. Due July 25, 2003 Part 1: You are to model and analyze the object below. Units in mm. Introduction: This paragraph should tell a reader what analysis have been performed and why. It should describe what reading the rest of the report would teach the reader. Also, describe here any assumptions and simplifications used. Mesh: You need to apply both a free mesh to the object and a mapped mesh. You need to verify that the mesh density is appropriate. Discuss the final mesh density. Provide any results plots necessary to verify that the mesh density is appropriate. You should compare the results obtained in both models. Provide necessary figures of the mesh so that all details will be obvious. In your write-up also discuss how you can control the mesh. Make sure to discuss how partitioning was used in this model. Use the default material in I-deas (generic isotropic steel). Discuss the element used (degrees of freedom, element order, element family). cl 100 50 20 20 40 200
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Boundary Conditions and loads: The back surface (as discussed in class) is fully constrained. Discuss in your write-up how the rigid body degrees of freedom are constrained, what type of elements are used and how this is important in determining how to constrain the model. Provide a figure clearly showing your constraints. You are to apply 3 different load cases: Load case 1: A bearing load applied downward in both of the holes. Apply a force/area of 1 N/m 2 . Explain why a load of only 1 N is applied (as discussed in class). Load case 2 : A gravity load. Load case 3: A load combining the two previous loads. Provide a figure showing each of the load cases. This may require you to take a snap shot of the acceleration-list. Determine the total load applied for load-case 1. Provide a snapshot of this figure. Make sure to include a picture of the form showing that all 3 loads were solved simultaneously. Symmetry Conditions: Since both the geometry and the boundary conditions are symmetric you may chose to model only half of the model and perform all analysis using this model. Make sure you apply appropriate symmetry conditions on the plane of symmetry. If you choose to perform all of your analysis using the complete model, then you must perform an additional analysis in which you model half of the object, free mesh
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Su03_Final_Project - Finite Element Project CAD/CAM Summer...

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