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Unformatted text preview: atio Stresso , psi 61,010 61,165 1.003 Stressa , psi 47,310 48,257 1.020 1. Near center at x = 0.5 in (SM stress at MID for element 1) 2. Near rim at x = 9.5 in (SM stress at MID for element 10) ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–307 VM138: Large Deflection Bending of a Circular Plate
Reference: S. Timoshenko, S. Woinowsky-Knieger, Theory of Plates and Shells, McGraw-Hill
Book Co., Inc., New York, NY, 1959, pg. 401, eq. 232. Analysis Type(s): Static Analysis (ANTYPE = 0) with Large Deflection and Stress Stiffening Element Type(s): Axisymmetric-Structural Shell Elements (SHELL51) Input Listing: vm138.dat Test Case
A circular plate (radius a and thickness t) built-in around its outer rim is loaded with a uniform pressure p. Determine
the deflection δ at the center of the plate. Figure 138.1 Circular Plate Problem Sketch Material Properties
E = 2 x 1011 N/m2
υ = 0.3 Geometric Properties
a = 0.25 m
t = 0.0025 m Loading
p = 6585.175 N/m2 Results Comparison
Deflection, m 1. ANSYS Ratio -0.00125 -0.00124 0.992 UY @ Node 1 ANSYS Verification Manual . ANSYS R...
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