Assumes an infinitely rigid stop uses a high but

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Unformatted text preview: ts from the solution phase. Results Comparison Target Displacement, in[1] 1. ANSYS Ratio 4.8000 4.8404 1.008 Target results are for t = 0.23969 sec (t/2). ANSYS results are reported from the closest time point, t = 0.240 sec. Figure 84.2 Displacement vs. Time Graph ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–191 VM84 Figure 84.3 Velocity vs. Time Graph 1–192 ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. VM85: Transient Displacements in a Suddenly Stopped Moving Bar Overview Reference: S. Timoshenko, D. H. Young, Vibration Problems in Engineering, 3rd Edition, D. Van Nostrand Co., Inc., New York, NY, 1955, pg. 305, problem 3. Analysis Type(s): Reduced Transient Dynamic Analysis (ANTYPE = 5) Element Type(s): 2-D Spar (or Truss) Elements (LINK1) Gap Condition (GP) Input Listing: vm85.dat Test Case A steel bar moving along the X-axis with a constant velocity vo is suddenly stopped at the end X = 0. Determine the displacement δ at the free end and the axial stress σx near the stopped end of the bar at time t1 = a is...
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