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ANSYS varification manual 9

# Ansys verification manual ansys release 90 002114 sas

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Unformatted text preview: , 1959, pg. 239 Analysis Type(s): Static Analysis (ANTYPE = 0) Mode-frequency Analysis (ANTYPE = 2) Element Type(s): Elastic Shell Elements (SHELL63) 3-D Structural Solid Shell Elements (SOLSH190) Input Listing: vm54.dat Test Case A blade is cantilevered from a rigid rotating cylinder. Determine the fundamental frequency of vibration of the blade, f, when the cylinder is spinning at a rate of Ω . Figure 54.1 Rotating Cantilever Blade Material Properties E = 217 x 109 Pa ρ = 7850 kg/m3 υ = 0.3 Geometric Properties r = 150 mm Loading Ω = 100π rad/sec = 328 mm b = 28 mm t = 3mm ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–128 VM54 Analysis Assumptions and Modeling Notes The problem is solved in two different ways: • Using Elastic Shell Elements (SHELL63) • Using 3-D Solid Shell Elements (SOLSH190) Spin (centrifugal) softening is used. Since the cylinder is rigid, the base of the blade has its displacements constrained. A static prestress analysis is performed to include...
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