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Figure 921 insulated wall temperature problem sketch

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Unformatted text preview: lewood Cliffs, NJ, 1965, pg. 138, ex. 5.4-1. Analysis Type(s): Full Transient Dynamic Analysis (ANTYPE = 4) Element Type(s): 3-D Spar (or Truss) Elements (LINK8) Structural Mass Element (MASS21) Input Listing: vm91.dat Test Case A pendulum consists of a mass m supported by a rod of length and cross-sectional area A. Determine the motion of the pendulum in terms of the displacement of the mass from its initial position Θo in the x and y directions, δx and δy, respectively. The pendulum starts with zero initial velocity. Figure 91.1 Pendulum Swing Problem Sketch ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–207 VM91 Material Properties E = 30 x 106 psi m = 0.5 lb-sec2/in Geometric Properties = 100 in Θo = 53.135 Loading g = 386 in/sec2 A = 0.1 in2 Analysis Assumptions and Modeling Notes A large deflection solution is required. An initial time step is defined over a small time increment (.01/5 = .002 sec) to allow an initial step change in acceleration to be attained. Subs...
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