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Thermoelastic stress analysis of structures under natural vibrations

Record type: Article

The paper focuses on stress analyses of structures subjected to excitation forces operating at resonant frequencies. The structures are analysed experimentally using the Thermoelastic Stress Analysis (TSA) technique. Experiments are carried out for fixed-free beams of different dimensions and materials, and also for a steel rectangular plate with clamped edges. These structures are excited by a shaker via a stinger. For materials with low thermal conductivity, the agreement between the theory, numerical results and experimental results is excellent. As the thermal conductivity of the material is increased, the correspondence is not as close. This is because of non-adiabatic behaviour. The implications of these results are discussed in detail in the paper and a means of deriving the severity of heat transfer is provided. Other factors that influence the TSA results from structures under natural loading are also discussed.

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Citation

Phan, T.S., Dulieu-Barton, J.M. and Temarel, P. (2006) Thermoelastic stress analysis of structures under natural vibrations Experimental Mechanics, 46, (4), pp. 463-472. (doi:10.1007/s11340-006-8445-6).

More information

Submitted date: September 2005
Published date: May 2006
Keywords: thermoelastic stress analysis, natural frequency, principal stresses, adiabatic conditions, thermal conductivity
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 39333
URI: http://eprints.soton.ac.uk/id/eprint/39333
ISSN: 1741-2765
PURE UUID: 6aba005d-d38c-4b13-ae1b-0b62ecddbc5d
ORCID for P. Temarel: ORCID iD orcid.org/0000-0003-2921-1242

Catalogue record

Date deposited: 27 Jun 2006
Last modified: 17 Jul 2017 15:37

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