In the first case the analysis is performed by

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Unformatted text preview: tic and Inelastic Analysis”, pg. 385, fig. 6.14. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. VM201 Figure 201.2 Displaced Shape Figure 201.3 Force vs. Displacement ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–457 VM202: Transverse Vibrations of a Shear Beam Overview Reference: R. D. Blevins, Formulas for Natural Frequency and Mode Shape, Van Nostrand Reinhold Co., New York, NY, 1979, pp. 171-176. Analysis Type(s): Mode-frequency Analysis (ANTYPE = 2) Element Type(s): Shear/Twist Panel Elements (SHELL28) Input Listing: vm202.dat Test Case A short, thin-walled uniform shear beam clamped at the base vibrates freely. Determine the first two modes of vibrations neglecting all flexural deformations. Figure 202.1 Shear Beam Problem Sketch Material Properties E = 200 GPa υ = 0.27 ρ = 7860 Kg/m3 Geometric Properties L = 30 m W = 10 m t = 0.1 m Analysis Assumptions and Modeling Notes Flexural deformations were eliminated by requiring all nodes with the same Z coordinate value to be coupled in UX and UY. Since this is a square beam, the frequenc...
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This note was uploaded on 12/09/2010 for the course DEPARTMENT E301 taught by Professor Kulasinghe during the Spring '09 term at University of Peradeniya.

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