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Unformatted text preview: Elastic-Plastic Elastic-Plastic -- 1.3333 Elastic-Plastic Elastic-Plastic -- 1.5 Fully Plastic Fully Plastic -- 1. Solution converges 2. Solution does not converge (indicates that the structure has collapsed). Moment ratios slightly less than
1.5 will also show a collapse since plasticity is monitored only at discrete integration points through the
cross-section. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–63 VM25: Stresses in a Long Cylinder
Reference: S. Timoshenko, Strength of Material, Part II, Elementary Theory and Problems,
3rd Edition, D. Van Nostrand Co., Inc., New York, NY, 1956, pg. 213, problem
1 and pg. 213, article 42. Analysis Type(s): Static Analysis (ANTYPE = 0) Element Type(s): 2-D 8-Node Structural Solid Elements (PLANE82) Input Listing: vm25.dat Test Case
A long thick-walled cylinder is initially subjected to an internal pressure p. Determine the radial displacement δr
at the inner surface, the radial stress σr, and tangential stress σt, at the inner and outer surfaces and at th...
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