Results comparison target volume 79063 ansys 79068

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Unformatted text preview: strain-free” condition and then removing the uniform thermal load. Determine the axial stresses and the thermal strains in the three sections of the bar at the end of this sequence of loading operations. Figure 194.1 Fixed Bar with Thermal Loading Problem Sketch Material Properties E = 30 x 106 psi α = 0.00005 in/in-°F Geometric Properties L = 10 in b = 1 in Loading Load Step 1: ∆T = 100°F Load Step 2: Elem 2 dead Load Step 3: Elem 2 alive Load Step 4: ∆T = 0°F Analysis Assumptions and Modeling Notes The REFT material property is used to model “rebirth” of the “dead” element such that no thermal strains exist at birth. This is achieved by specifying the value of REFT equal to the uniform temperature of the bar (100°F). Removing the thermal load in the subsequent final load step therefore results in relieving the thermal strains in elements 1 and 3. Element 2 on the other hand, experiences a thermal load of ∆T = -100°F resulting in a negative thermal strain. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–440 VM194 Results Comparison Load Step No. 4 ANSYS[1] Ratio Stressx , psi 150,000[1] 150,000 1.000 Strainth , (elem1, 3) 0.0 0.0 - Strainth , (elem 2) 1. Target -0.005 -0.005 1.000 Uniform for all el...
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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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