Understanding the Mode-superposition Method - Lesson 1
In linear dynamics, the mode-superposition method provides a computationally efficient solution in determining the system response in the frequency domain, or sometimes even in the time domain. For some types of linear dynamic analyses, we must use the mode-superposition method. Understanding this procedure is important in obtaining correct results. In this video, we will show you how to create a workflow on the project page for mode superposition-based analysis using Ansys Mechanical. We have a short lecture followed by a workshop walkthrough example showing how to implement the points discussed.
Video Highlights
00:51 — Harmonic response analysis
00:57 — Response spectrum analysis
01:10 — Random vibration analysis
02:24 — Extract mode shapes from modal analysis
02:55 — Now many modes to extract best practice
05:33 — Workflow on the project page, sharing and transferring data between analysis systems
07:16 — Reuse data from different systems but connections on the project page
07:30 — Prestress modal analysis
09:25 — Harmonic response analysis settings, data management, future analysis
09:54 — Modal analysis boundary conditions
12:55 — Harmonic response loads and supports
13:31 — Harmonic response results
Simulation Files
Download the accompanying archived project file used in the video lesson here. The student version of Ansys simulation software can be downloaded for free here.
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