Konrad integrodifferential finite element formulation

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Unformatted text preview: etric Properties t = 0.5 in a = 17 in Analysis Assumptions and Modeling Notes Poisson's ratio defaults to 0.3 and is not defined with the input data. Nine master degrees of freedom are requested for automatic selection with the TOTAL command. Results Comparison Target ANSYS Ratio f0,0, Hz 172.64 172.42 .999 f0,1, Hz 671.79 674.19 1.004 f0,2, Hz 1505.07 1520.97 1.010 ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–408 VM182: Transient Response of a Spring-mass System Overview Reference: R. K. Vierck, Vibration Analysis, 2nd Edition, Harper & Row Publishers, New York, NY, 1979, sec. 5-8. Analysis Type(s): Mode-frequency Analysis (ANTYPE = 2) Transient Dynamic Mode Superposition Analysis (ANTYPE = 4) Element Type(s): Combination Elements (COMBIN40) Input Listing: vm182.dat Test Case A system containing two masses, m1 and m2, and two springs of stiffness k1 and k2 is subjected to a pulse load F(t) on mass 1. Determine the displacement response of the system for the load history...
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