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Finite element modeling of seat transmissibility of the human-seat system with the variation in excitation characteristics
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Xiaolu ZHANG1, 2, Xinwei WANG1, Peijin YU1, Xichen SONG1
Journal of Vibration Engineering | 2025, 38(10) : 2205 - 2213
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Journal of Vibration Engineering | 2025, 38(10): 2205-2213
Finite element modeling of seat transmissibility of the human-seat system with the variation in excitation characteristics
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Xiaolu ZHANG1, 2, Xinwei WANG1, Peijin YU1, Xichen SONG1
Affiliations
  • 1.College of Mechanical & Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • 2.Engineering Research Center of Advanced Manufacturing Technology for Automotive Components, Ministry of Education, Beijing University of Technology, Beijing 100124, China
doi: 10.16385/j.cnki.issn.1004-4523.202312005
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The quantitative analysis of the effect of low-frequency vibrations on the sitting comfort has been a pivotal focus in the field of transportation engineering. In this study, the transmission of vibration through the human-seat system with different excitation conditions is predicted and analyzed using the finite element modeling. Individual finite element models for the human body and the seat, along with their respective contact properties, are constructed and integrated into an overall finite element model of the human-seat system. The model parameters are validated utilizing experimental data from static body pressure distribution at cushion and backrest locations, as well as the measured seat transmissibility obtained with the vertical excitation. The results indicate the finite element model, validated through the calibration, demonstrates a good fit with experimental data for the seat transmissibility under the fore-and-aft excitation. However, there is a deviation in the amplitude at the resonance frequency. Additionally, the model predicts that the resonance frequency of the seat transmissibility decreases with an increase in the excitation amplitude, and this trend aligns well with experimental results, particularly under the vertical excitation. The constructed model accurately reflects the dynamic response of the human-seat system with different conditions. It serves as a valuable reference for the seat design.

human-seat system  /  seat transmissibility  /  finite element modeling  /  excitation amplitude  /  non-linearity
Xiaolu ZHANG, Xinwei WANG, Peijin YU, Xichen SONG. Finite element modeling of seat transmissibility of the human-seat system with the variation in excitation characteristics[J]. Journal of Vibration Engineering, 2025 , 38 (10) : 2205 -2213 . DOI: 10.16385/j.cnki.issn.1004-4523.202312005
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.202312005
  • Receive Date：2023-12-01
  • Online Date：2026-02-04
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  • Received：2023-12-01
  • Revised：2024-01-15
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    1.College of Mechanical & Energy Engineering, Beijing University of Technology, Beijing 100124, China
    2.Engineering Research Center of Advanced Manufacturing Technology for Automotive Components, Ministry of Education, Beijing University of Technology, Beijing 100124, China
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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