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472 HW_6_Solution

472 HW_6_Solution - Solution for HW6 Problem 2 Following...

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Solution for HW6 Problem 2 Following previous steps in the example Specify element type and constants Define element types Define two element types: a 2-D element and a 3-D element. Mesh the wing cross-sectional area with 2-D elements, and then extrude the area to create a 3-D volume. The mesh will be "extruded" along with the geometry so 3-D elements will automatically be created in the volume. 1. Main Menu> Preprocessor> Element Type> Add/Edit/Delete 2. [Add...] 3. “Structural Solid” (left column) 4. “Quad 4node 42” (right column) 5. [Apply] to choose the Quad 4 node (PLANE42) 6. “Structural Solid” (left column) 7. “Brick 8node 45” (right column) 8. [OK] to choose the Brick 8 node (SOLID45) Material properties 1. Main Menu> Preprocessor> Material Props> Material Models 2. (double- click) “Structural”, then “Linear”, then “Elastic”, then “Isotropic” 3. “EX” = 10E6 4. “PRXY” = 0.3 Specify geometry Create cross-section 1. Main Menu> Preprocessor> Modeling> Create> Keypoints> In Active CS
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