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Effect of compressive axial load on forced transverse vibrations of a double-beam system |
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| Authors: | YQ Zhang Y Lu GW Ma |
| Affiliation: | aInstitute for Applied Mechanics, School of Aeronautics and Astronautics, Zhejiang University, Hangzhou 310027, China;bInstitute for Infrastructure and Environment, School of Engineering and Electronics, University of Edinburgh, The King's Building, Edinburgh, UK;cSchool of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore |
| Abstract: | Based on Bernoulli–Euler beam theory, the forced transverse vibrations of an elastically connected simply supported double-beam system under compressive axial load are investigated. It is assumed that the two beams of the system are continuously joined by a Winkler elastic layer. The dynamic responses of the system caused by arbitrarily distributed continuous loads are obtained. The effects of compressive axial load on the forced vibrations of the double-beam system are discussed for two cases of particular excitation loadings. The properties of the forced transverse vibrations of the system are found to be significantly dependent on the compressive axial load. |
| Keywords: | Forced transverse vibration Double-beam system Effect of compressive axial load |
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