The stress strain curve for the rod material is shown

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Unformatted text preview: ero to model the narrow beam assumption. The failure stresses are input in the nonlinear material property table (TB commands). Compression values are allowed to default to negative tension values and arbitrary. 1–178 ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. VM79: Transient Response of a Bilinear Spring Assembly Overview Reference: W. T. Thomson, Vibration Theory and Applications, 2nd Printing, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1965, pg. 150, fig. 5.6-1. Analysis Type(s): Reduced Transient Dynamic Analysis (ANTYPE = 4) Element Type(s): Combination Elements (COMBIN40) Gap Condition (GP) Input Listing: vm79.dat Test Case A mass supported on a nonlinear spring is subjected to an impulsive force F(t) and thereafter undergoes free vibration. The spring stiffness is characterized by the force-deflection curve shown below. Determine the maximum deflection ymax of the mass. Compare results with those of VM74. Figure 79.1 Bilinear Spring Assembly Problem Sketch Material P...
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