A constitutive equation of the differential type is introduced to model the nonlinear viscoelastic response behavior of elastomeric bearings in large-scale system simulations for vibration assessment and component loads prediction. The model accounts for the nonlinear dependence of dynamic stiffness and damping on vibration amplitude commonly observed in the behavior of bearings made of particle-reinforced elastomers. A testing procedure for the identification of the model parameters from bearing component test data is described. The experimental and analytical results for predicting the behavior of four (4) different car bushings are presented. In an example application, the model is incorporated in an ADAMS simulation to study the dynamic behavior of a car rear suspension.
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March 1998
Technical Papers
Modeling and Identification of Elastomeric Bearing Characteristics for Large-Scale Simulations
K. N. Morman, Jr.,
K. N. Morman, Jr.
Ford Motor Company, Dearborn, MI 48121
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E. Nikolaidis,
E. Nikolaidis
Virginia Polytechnic Institute & State University, Blacksburg, VA 24061
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J. Rakowska,
J. Rakowska
Automated Analysis Corporation, Ann Arbor, MI 48104
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S. Seth
S. Seth
Automated Analysis Corporation, Ann Arbor, MI 48104
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K. N. Morman, Jr.
Ford Motor Company, Dearborn, MI 48121
E. Nikolaidis
Virginia Polytechnic Institute & State University, Blacksburg, VA 24061
J. Rakowska
Automated Analysis Corporation, Ann Arbor, MI 48104
S. Seth
Automated Analysis Corporation, Ann Arbor, MI 48104
J. Dyn. Sys., Meas., Control. Mar 1998, 120(1): 63-73 (11 pages)
Published Online: March 1, 1998
Article history
Received:
November 13, 1995
Online:
December 3, 2007
Citation
Morman, K. N., Jr., Nikolaidis, E., Rakowska, J., and Seth, S. (March 1, 1998). "Modeling and Identification of Elastomeric Bearing Characteristics for Large-Scale Simulations." ASME. J. Dyn. Sys., Meas., Control. March 1998; 120(1): 63–73. https://doi.org/10.1115/1.2801323
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