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Establishment of a Method for Predicting Powertrain Vibration at Engine Mounting Points under Running Conditions

Article of Honda R&D Technical Review Vol.13 No.2

Summary

It is well known that powertrain vibration characteristics are a critical factor influencing booming and other cabin noises. As vibration at the engine mounting points is one of the most influential of all the vibrations a precise analytical method for the prediction of vibration at the engine mounting points under running conditions was developed. This method uses simulation models that take into consideration the nonlinear characteristics of both main bearing’s oil film and the engine mounts. This makes it possible to predict the vibration level at engine mounting points while preserving a practical level of accuracy. Application of this design method during the initial stages of basic powerplant structural investigations for powertrain design will enable the efficient evaluation of powertrain vibration characteristics.

Reference

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(2) Heiner, Storck., Hartono, Sumali.: Characterization of a Vibration Damping Mount, SAE Paper 99012816
(3) Mctavish, D.J., Hughes, P.C.: FE modeling of Linear Viscoelastic Structures the GHM Method, AIAA Paper No. 92-2380.
(4) Suzuki, T., Takahashi, Y. et al.: How to Measure the Internal Forces of a Combustion Engine, NCA-VOL.26, p.61-65 (1999)
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(6) Mctavish, D.J., Hughes, P,C.: Modeling of Linear Viscoelastic Space Structures, Journal of Vibration & Acoustics-Transactions of the ASME, Vol. 115, p.103-110(1993)
(7) Raub, Jonathan D., Jones, Jeffrey: Analytical Investigation of Crankshaft Dynamics as a Virtual Engine Module SAE Paper 99011750
(8) Takahashi. M, Takahashi. Y, Senjyo. K.: Utilizing Large Computational Devices for Powertrain Vibration Analysis, JASE Proceedings, No.901, p.65-68 (1990)
(9) Nehl, J., Wilhelm, M., Gauch, P., Travert, M.: Evaluation of Crankshaft Clearance Influence on Specific Roughness Noise Concern SAE Paper 1999-01-1771
(10) Takahashi, Y., Suzuki, T., Tsukahara, M.: Prediction of Powerplant Vibration Using FRF Data of FE Model’ SAE Paper 971959
(11) Seki, Y., Suzuki. T, Tsukahara, M., Takahashi, Y.: How to Predict Powertrain Vibration at the Engine Mounting Points Under Running Conditions SAE Paper 2001-01-1592

Author (organization or company)

Yasuhiko SEKI(Tochigi R&D Center)、Toshifumi SUZUKI(Tochigi R&D Center)、Naoki KAMIMURA(Tochigi R&D Center)、Yukitaka TAKAHASHI(Tochigi R&D Center)

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