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Frequency Response (Modal Superposition) Analysis
Frequency response (modal superposition) analysis determines the steady-state operation of a machine, vehicle or process equipment design subjected to continuous harmonic loading. As compared to linear transient stress analyses, frequency response (modal superposition) analysis provides an easy, quick method in which the only inputs are a constant frequency and amplitude. The analysis determines stress, displacement and the phase angle at each mode along with a square-root-sum-of-the-squares response based on steady-state inputs. For example, this analysis type could be used to determine the vibration effects of a washing machine with an unbalanced load or a bent wheel on a vehicle. TYPICAL APPLICATIONS
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