Oasys LS-DYNA Environment 8.1 VOLUME 3 ... - Oasys Software

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Oasys LS-DYNA Environment: User Guide (Version 8.1) Force Displacement 25 20 15 10 5 E4 0 0 5 10 15 20 25 30 35 40 E-5 Time Normal force - wall 1 4 2 0 -2 -4 -6 -8 -10 -12 STONEWALL SURFACE Oasys T/HIS Version 7.0 7-Feb-97 Oasys T/HIS Version 7.0 7-Feb-97 0 5 10 15 20 25 30 35 40 E-5 Time Disp z - node 201 STONEWALL SURFACE Oasys T/HIS Version 7.0 7-Feb-97 Oasys T/HIS Version 7.0 7-Feb-97 Page A.114
Oasys LS-DYNA Environment: User Guide (Version 8.1) LS-DYNA Section Manual: *RIGIDWALL_PLANAR Example of: Rotating Shell Strikes Stonewall Example Filename: rigidwall_shell.key Description: A rotating shell element strikes and rebounds from a stonewall surface. Model: The shell element has an elastic material model with Belytschko-Tsay shell formulation. The plate measures 10 × 10 × 2 mm 3 . The plate has an initial velocity of 100,000 mm/second in negative zdirection and an initial angular velocity of 100,000 radians/second about the y-axis. The rigid surface is modeled by an infinite smooth stonewall surface. The termination time is 0.0002 seconds. Input: All nodes have initial velocity (*INITIAL_VELOCITY). The location of the “Stonewall” is in the x-y plane with z=0 (*RIGIDWALL_PLANAR). The 4 nodes belonging to the shell element are slave nodes in the stonewall definition. The velocity components of the slave nodes in the normal direction to the stonewall are reset to zero at the moment of impact. Reference: Schweizerhof, K. and Weimer, K. Page A.115
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Oasys LS-DYNA Environment 8.1 VOLUME 3 ... - Oasys Software

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