Transcription of ANSYS Mechanical-APDL Harmonic Analysis Example and ...
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ANSYS Mechanical-APDL Harmonic Analysis Example and ...
ANSYS Mechanical-APDL Harmonic Analysis Example and Comparison to ANSYS Mechanical resultsDave JohnsonPenn State Erie9/11/20171 Disk modal and Harmonic analyses Steel disk - 75 mm radius and 3mm radius center hole, and mm thickness9/11/2017 1421 SHELL 181 elements Modulus = 200,000 Mpa Poisson s Ratio = Density = tonnes/mm3 TOTAL MASS: (tonne) Support: simply-supported, (no translation: UX = UY = UZ = 0) at the edge of the hole2 Hand calc for verification and validation of modal Analysis resultsReference: Mark s Standard Handbook for Mechanical Engineers, 8th ed., p. 5-75 For a flat circular plate constrained at the center, the umbrella mode (zero nodal diameters) is predicted by:9/11/2017 Where: E = elastic modulus (N/mm2) r = plate radius (mm) g = gravity acceleration (mm/s2) = Poisson s ratio t = plate thickness (mm)3 Hand calc for verification and validation of moda
validation of modal analysis results Reference: Mark’s Standard Handbook for Mechanical Engineers, 8th ed., p. 5-75 • For a flat circular plate – constrained at the center, the “umbrella” mode (zero nodal diameters) is predicted by : 9/11/2017 Where: • E = elastic modulus (N/mm 2) • r = plate radius (mm) • g = gravity ...
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