Modal analysis is a technique used in engineering, physics, and related fields to study the dynamic characteristics of structures or mechanical systems. Essentially, it involves determining the natural frequencies, mode shapes, and damping ratios of a system when subjected to vibrational excitation. Here's a breakdown of key concepts: 1. **Natural Frequency**: This is the frequency at which a system tends to oscillate in the absence of any driving forces. Each structure has a set of natural frequencies that correspond to specific modes of vibration.
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