All Vibration Is a Summation of Mode Shapes

被引：0

作者：

Schwarz, Brian ^{[1
]}

McHargue, Patrick ^{[1
]}

Tyler, Jason ^{[1
]}

Richardson, Mark ^{[1
]}

机构：

[1] Vibrant Technol Inc, Centennial, CO 80112 USA

来源：

TOPICS IN MODAL ANALYSIS & TESTING, VOL 8 | 2020年

关键词：

Auto power spectrum (APS); Cross power spectrum (XPS); Frequency response function (FRF); Operating deflection shape (ODS); Experimental modal analysis mode shape (EMA mode shape); Finite element analysis mode shape (FLA mode shape); Modal assurance criterion (MAC); Shape difference indicator (SDI); Multi-input multi-output (MIMO) modeling and simulation;

D O I：

10.1007/978-3-030-12684-1_8

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper expands on the ideas presented in two previous papers (Schwarz et al., Curve fitting analytical mode shapes to experimental data, IMAC XXXIV, 2014; Schwarz and Richardson, Linear superposition and modal participation, IMAC XXXII, 2014). Here, we again show with examples how all vibration, whether it is represented in the form of time waveforms, frequency spectra, or ODS' s, can also be represented as a summation of mode shapes. The title of this paper is actually a universal law which is used for all modal analysis,

引用

页码：77 / 91

页数：15

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