A receptance-based method for frequency assignment via coupling of subsystems

Tsai, Sung-Han ORCID: 0000-0003-4639-8109, Ouyang, Huajiang ORCID: 0000-0003-0312-0326 and Chang, Jen-Yuan (2019) A receptance-based method for frequency assignment via coupling of subsystems. Archive of Applied Mechanics, 90 (2). pp. 449-465.

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Abstract

<jats:title>Abstract</jats:title> <jats:p>This paper presents a theoretical study of the frequency assignment problem of a coupled system via structural modification of one of its subsystems. It deals with the issue in which the available modifications are not simple; for example, they are not point masses, grounded springs, or spring-mass oscillators. The proposed technique is derived based on receptance coupling technique and formulated as an optimization problem. Only a few receptances at the connection ends of each subsystem are required in the structural modification process. The applicability of the technique is demonstrated on a simulated rotor system. The results show that both bending natural frequencies and torsional natural frequencies can be assigned using a modifiable joint, either separately or simultaneously. In addition, an extension is made on a previously proposed torsional receptance measurement technique to estimate the rotational receptance in bending. Numerical simulations suggest that the extended technique is able to produce accurate estimations and thus is appropriate for this frequency assignment problem of concern.</jats:p>

Item Type:	Article
Depositing User:	Symplectic Admin
Date Deposited:	21 Nov 2019 09:29
Last Modified:	19 Jan 2023 00:19
DOI:	10.1007/s00419-019-01619-9
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3062652