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TECHNICAL PAPERS

Evaluation for Mechanical Properties of Laminated Rubber Bearings Using Finite Element Analysis

[+] Author and Article Information
Akihiro Matsuda

Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko, Chiba, 270-1194(ZIP), Japan

J. Pressure Vessel Technol 126(1), 134-140 (Feb 26, 2004) (7 pages) doi:10.1115/1.1636784 History: Received November 08, 2002; Revised June 24, 2003; Online February 26, 2004
Copyright © 2004 by ASME
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References

Mazda, T., and Shiojiri, H., 1993, “Numerical Analysis of Laminated Rubber Elastomer by FEM,” Transaction of the 12th Internatiolnal Conference on Structural Mechanics in Reactor Technology, K2 , pp. 2265–2270.
Seki,  W., Fukahori,  Y., Iseda,  Y., and Matsunaga,  T., 1987, “A Large-Deformation Finite-Element Analysis for Multilayer Elastomeric Bearings,” Rubber Chem. Technol., 60, pp. 856–869.
Forni, M., Grotteria, M., Dusi, A., Bertola, S., and Maetelli, A., 1997, International Post-SMiRT Conference, pp. 515–548.
Dusi, A., and Rebecci, V., 1999, “A Simplified Model for Nonlinear Analysis of Base Isolated Structures: Model Description and Validation,” International Post-SmiRT Conference Seminar, pp. 549–558.
Simo, J. C., and Taylor, R. L., A Simple 3-Dimensional Viscoelastic Model Accounting for Damage Effects, Report No. UCB/SESM-83/10, Department of Civil Engineering, University of California, Berkeley.
Taylor,  R. L., Simo,  J. C., and Pister,  K. S., 1985, “Variational and Projection Methods for the Volume Constant in Finite Deformation Elast-Plasticity,” Comput. Methods Appl. Mech. Eng., 51, pp. 177–208.
Simo,  J. C., 1987, “On a Fully Three-Dimensional Finite-Strain Viscoelastic Damage Model,” Comput. Methods Appl. Mech. Eng., 60, pp. 153–173.
Simo, J. C., and Hughes, T. J. R., 1997, Computational Inelasticity, Springer.
Simo,  J. C., and Taylor,  R. L., 1981, “Penalty Function Formulations for Incompressible Nonlinear Elastostatics,” Comput. Methods Appl. Mech. Eng., 35, pp. 107–118.
Flory,  P. J., 1961, “Thermodynamic Relations for High Elastic Materials,” Thin Solid Films, 57, pp. 829–838.
Bathe, K. J., 1996, Finite Element Procedures, Prentice-Hall.
Zienkiewics, O. C., 1977, The Finite Element Method, McGraw-Hill.
Hughes, T. J. R., 2000, The Finite Element Method, Linear Static and Dynamic Finite Element Analysis, Dover.

Figures

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Isolated rubber bearing
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The dynamic two axial test facility
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Stress response obtained from loading tests and constitutive equation: (a) Time history of shear deformation; (b) Stress responses of HRB (vertical load 0N, cyclic shear deformation 0.01 Hz); and (c) Stress responses of NRB (vertical load 0N, cyclic shear deformation 0.01 Hz)
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Numerical model of HR: (a) Viscoelastic Maxwell model of HR; and (b) Damage function
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Stress response of shear deformation: (a) Time history of deformation; (b) Relationships between vertical load and horizontal deformation; (c) Relationships between horizontal load and deformation; and (d) FEM mesh
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Stress response of tensile deformation: (a) Time history of deformation; (b) Relationships between horizontal load and deformation; and (c) FEM mesh
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Test equipments and specimen for volumetric test
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Results of volumetric test: (a) Volumetric test results given from three specimens; and (b) Approximated curves fitted by Eq. (24)
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Effect of compressibility on vertical stiffness (NR40-7)
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Loading test and simulated results of shear deformation of NRB: (a) NRB30-7; (b) NRB20-7; and (c) NRB20-5
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Loading test and simulated results of vertical deformation of NRB: (a) NRB30-7; (b) NRB20-7; and (c) NRB20-5
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Contours of vertical stress (εh:200%, Vertical stress: 2.45 MPa): (a) NRB40-7; and (b) NRB20-5

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