Figure 251 long cylinder problem sketch ansys

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Unformatted text preview: Myp = σyp bh2/6 and becomes completely plastic at M = Mult = 1.5 Myp. Figure 24.1 Plastic Hinge Problem Sketch Material Properties E = 30 x 106 psi υ = 0.3 σyp = 36000 psi Geometric Properties b = 1 in h = 2 in Iz = b h3/12 = 0.6667 in4 Loading M = 1.0 Myp to 1.5 Myp (Myp = 24000 in-lb) Analysis Assumptions and Modeling Notes The problem is solved by using two types of plasticity rules: • the bilinear kinematic hardening (BKIN) ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–62 VM24 • the bilinear isotropic hardening (BISO) An arbitrary beam length is chosen. Because of symmetry, only half of the structure is modeled (since length is arbitrary, this means only that boundary conditions are changed). The load is applied in four increments using a do-loop, and convergence status is determined from the axial plastic strain for each load step in POST26. Results Comparison (for both analyses) M/Myp Target ANSYS Ratio 1.0 Fully Elastic Fully Elastic -- 1.1666...
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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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