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Front Wheel Drive Engine Mount Optimization
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English
Abstract
This paper presents a guide for front wheel drive transverse engine mount optimization. The rationale for trying to achieve certain powerplant mode shapes and desirable frequency trends for these mode shapes is discussed.
A mathematical proof is given for conditions which will ensure that the engine firing torque pulses excite only one engine mode. This will be shown to be desirable for satisfying the many conflicting design constraints.
A review of various optimization procedures which were tried is discussed and a detailed explanation of the selected MONTE CARLO procedure is given.
Extensive MOTRAN computer results are presented, both for a grounded engine and for a full vehicle.
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Authors
Citation
Geck, P. and Patton, R., "Front Wheel Drive Engine Mount Optimization," SAE Technical Paper 840736, 1984, https://doi.org/10.4271/840736.Also In
References
- Adelberg M. “Motran User Manual” Structural Analysis Department Report Ford Motor Company
- Butkunas A. “Analysis of Vehicle Structures” International Journal of Vehicle Design 4
- Duncan A. “Application of Modal Modeling and Mount Systems Optimization to Light Duty Truck Ride Analysis” SAE Paper 811313
- Ishihara E. Emori R. I. “Torque Converter as a Vibration Damper and Its Transient Characteristics” SAE Paper 660368
- Johnson S. Subhedar J. “Computer Optimization of Engine Mounting Systems” SAE Paper 790974
- Lawson G. Lavi A. “Monte Carlo Programming: Random Searching in the Solution of Parameter Optimization Problems” Proceedings of the IEEE 1970 Systems Science and Cybernetics Conference Pittsburgh, PA Oct. 1970 257
- Vanderplaats G. N. “CONMIN - A FORTRAN Program for Constrained Function Minimization” NASA Report TM-X-62.282 August 1973