Ansys release 90 002114 sas ip inc vm77 transient

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Unformatted text preview: time of 0.205 sec allows the masses to reach their largest deflections. One master degree of freedom (MDOF) is selected at each mass in the spring direction. The integration time step (0.0025 sec) is based on ≈ 1/120 of the period to allow the initial step acceleration change to be followed reasonably well and to produce sufficient printout for ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–171 VM75 the theoretical comparison. Results are from the solution phase. POST26 is used to get displacement versus time display. Results Comparison Target ANSYS Ratio Time = 0.1575 sec umax, in 2.0000 1.9992 1.000 Time = 0.20 sec u, in (for Damping ratio = 0.0) 1.6536 1.6723 1.011 u, in (for Damping ratio = 0.5) 1.1531 1.1544 1.001 Figure 75.2 Displacement vs. Time Display 1–172 ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. VM76: Harmonic Response of a Guitar String Overview Reference: R. D. Blevins, Formulas for Natural Frequency and Mode Shape, Van Nostra...
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