Symmetrical Mechanical System Properties-Based Forced Vibration Analysis

Document Type : Research Paper


1 Department of Mechanical Engineering, Transilvania University of Brasov, B-dul Eroilor, 29, 500036, Romania

2 Technical Sciences Academy of Romania, Bucharest

3 Department of Mathematics and Computer Science, Transilvania University of Brasov, B-dul Eroilor 29, 500036 Brasov, Romania

4 Academy of Romanian Scientists, Ilfov Street, No. 3, 050045 Bucharest, Romania


Mechanical systems with structural symmetries present vibration properties that allow the calculation to be easier and the analysis time to decrease. The paper aims to use the properties involved by the symmetries that exist in mechanical systems for the analysis of the forced response to vibrations. Thus, the study of the properties of systems with symmetries or with identical parts is expanded. Based on a classic model, the characteristic properties that appear in this case are obtained and the advantages of using these properties are revealed. On an example consisting of a truck equipped with two identical engines, the way of applying these properties in the calculation and the resulting advantages is presented.


Main Subjects

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Volume 54, Issue 4
December 2023
Pages 501-514
  • Receive Date: 10 October 2023
  • Accept Date: 11 October 2023