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Anisotropic Sheet Drawing

Anisotropic Sheet Drawing. MSC.Marc 2005r2 MSC.Patran 2005r2. Estimated Time for Completion: 10 minutes Experience Level: Higher. Topics Covered. 2D thick shell elements with reduced integration 1D spring element with stiffness using field

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Anisotropic Sheet Drawing

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  1. Anisotropic Sheet Drawing MSC.Marc 2005r2 MSC.Patran 2005r2 Estimated Time for Completion: 10 minutes Experience Level: Higher

  2. Topics Covered • 2D thick shell elements with reduced integration • 1D spring element with stiffness using field • Material with elastic, plastic, and forming limit models • Non-spatial field with tabular input • Material property field with tabular input • Deformable contact with friction • Rigid body contact with friction and position control • Nonlinear static analysis with advanced options for plasticity and elasticity

  3. Problem Description • The cup drawing test simulation with circular punch and blank is one of the most popular tests to verify the planar anisotropic behavior through the prediction of the earing profile. In the cylindrical cup drawing test, the material undergoes compressive deformation in the flange area due to the circumferential contraction. Some stretching occurs also in the radial direction of a cup. This test was simulated for a 6111-T4 aluminum alloy sheet based on the one-point shell element and Barlat's yield function. Also, FLD prediction and drawbead modeling with nonlinear springs were investigated. Assuming isotropic hardening, the yield function coefficients are kept constant during the simulation.

  4. Summary of Model Punch with position control Analysis Type: Static analysis Large strain additive for plasticity Small strain for elasticity Sheet Rigid contact for punch Holder Sheet’s material with: Elastic model Plastic model Forming limit model Nonlinear spring Die Fixed displacement for holder Deformable contact for sheet Rigid contact for die Rigid contact for holder

  5. Modify and Run Session File a b c d e f To run the session file that reads other files, the location specified in the session file must correspond to the actual location of the files. • Locate and open the folder containing session and other files • Open .ses file • Enter the correct location of the folder and Press Ctrl+S buttons to save the file • Click File menu / Select Session / Select Play • Select .ses file • Click Apply

  6. Expected Results

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