Figure 1761 piezoelectric transducer problem sketch

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Unformatted text preview: tallic Beam Problem Sketch Material Properties For each strip: k1 = k2 = 5 Btu/hr-in-°F For material 1: E1 = 10 x 106 psi α1 = 14.5 x 10-6 in/in°F For material 2: E2 = 10 x 106 psi Geometric Properties L = 5 in t = 0.1 in Loading Ttop = 400.0°F Tbot = 400.0°F α2 = 2.5 x 10-6 in/in°F Analysis Assumptions and Modeling Notes The problem involves a coupled thermal-stress analysis with large deflections and thus requires an iterative solution. Since the problem is symmetric, only one-half of the beam is modeled. The AZ degree of freedom is not required in this analysis and is excluded from the matrix formulation by not specifying any magnetic material properties. A convergence criteria for force is specified with a tight tolerance to converge the large deflection behavior. ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–389 VM174 Results Comparison Target ANSYS Ratio y, in 0.900 0.888 0.987 T, °F 400.0 400.0 1.000 Figure 174.2 Bimetallic Beam Under Thermal Load 1...
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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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