Principles of Vibration Analysis with Femap and NX Nastran: Normal Modes to PSD to Direct Transient

Looking for more about this seminar? Visit appliedcax.com/resources/library-of-femap-online-s… SEMINAR OUTLINE: Most engineers are pretty familiar with the general concepts of vibration analysis but maybe just need a few pointers on the fundamentals and perhaps some suggested readings. This white paper provides the simulation engineer with all the necessary background to perform the following analysis sequences with Femap and NX Nastran. o Normal Modes Analysis ° Natural Frequencies and Mode Shapes (why they are only shapes and not magnitudes) ° Utility and Significance of Mass Participation ° Mode Strain Energy o Modal Frequency Analysis ° Theory of Modal Frequency (all loads are sinusoidal) ° Shaper Table Sine Sweep Analysis ° Expanding Complex Results o PSD Analysis ° Modal Frequency Analysis using Statistics ° One Sigma versus Three Sigma von Mises Results ° Fatigue Analysis with PSD ° Direct Transient Analysis (it is easier than you think)

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