Answered: What is the minimum number of FRF 's…

What is the minimum number of FRF 's required to obtain the first 3 natural frequencies and modal damping for a fixed-free beam, experimentally. (А) 1 (D) more than 3 (В) 2 (C) 3

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Free Damped Vibrations

Free vibration is a type of vibration in which the external force is removed after giving the initial displacement to a body/system. In other words, in this type of vibration, force is applied at the initial displacement of the system, and after the initial displacement, force is removed, and the system vibrates at the natural frequency.

Question

(1) What is the minimum number of FRF 's required to obtain the first 3
natural frequencies and modal damping for a fixed-free beam,
experimentally.
(A) 1
(D) more than 3
(B) 2
(C) 3

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