Selected Publications

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Books and Chapters in Books

  1. A. K. Chopra, Dynamics of Structures, Theory and Applications to Earthquake Engineering, 5th edition, Pearson Education, 2017, 960 pgs.

  2. A. K. Chopra, Earthquake Dynamics of Structures: A Primer, Second Edition, Monograph published by Earthquake Engineering Research Institute, Oakland, Calif., 2005, 129 pgs.

  3. A. K. Chopra, "Earthquake Response Analysis of Concrete Dams," Chapter 15 in Advanced Dam Engineering for Design, Construction, and Rehabilitation, a handbook edited by Robert B. Jansen, Van Nostrand Reinhold, October, 1988, pp. 416–465.

  4. A. K. Chopra and N. M. Newmark, "Analysis," Chapter 2 in Design of Earthquake Resistant Structures (E. Rosenblueth, Editor), Pentech Press, Ltd., London, England, 1980, pp. 27–52.

  5. R. W. Clough and A. K. Chopra, "Earthquake Response Analysis of Concrete Dams," Structural and Geotechnical Mechanics, a volume honoring N. M. Newmark (W. J. Hall, editor), Prentice-Hall, Inc., Englewood Cliffs, New Jersey, 1977, pp. 378–402.

 

Structural Dynamics

  1. A. K. Chopra, and F. McKenna, “Modeling Viscous Damping in Nonlinear Response History Analysis of Buildings for Earthquake Excitation,” Earthquake Engineering and Structural Dynamics, Vol. 45, No. 2, pp. 193–211, February 2016.

  2. C. Menun, J. C. Reyes, and A. K. Chopra, “Errors Caused by Peak Factor Assumptions in Response-Spectrum-Based Analyses, Earthquake Engineering and Structural Dynamics, Vol. 44, No. 11, pp. 1729–1746, September 2015.

  3. O. A. Lopez, A. K. Chopra, and J. J. Hernandez, “Adapting the CQC3 Rule for Three Seismic Components with Different Spectra,” ASCE, Journal of Structural Engineering, Vol. 30, No. 3, pp. 403-410, March 2004.

  4. U. Basu and A. K. Chopra, “Perfectly Matched Layers for Transient Elastodynamics of Unbounded Domains,” International Journal for Numerical Methods in Engineering, Vol. 59, pp. 1039-1074, March 2004.

  5. U. Basu and A. K. Chopra, “Perfectly Matched Layers for Transient Elastodynamics of Unbounded Domains,” International Journal for Numerical Methods in Engineering, Vol. 59, pp. 1039-1074, March 2004.

  6. A. K. Chopra and C. Chintanapakdee, “Comparing Response of SDF Systems to Near-Fault and Far-Fault Earthquake Motions in the Context of Spectral Regions,” Earthquake Engineering and Structural Dynamics, Vol. 30, No. 12, pp. 1769-1789, December 2001.

  7. A. K. Chopra and S. C. S. Yim, "Simplified Earthquake Analysis of Structures with Foundation Uplift," Journal of Structural Engineering, ASCE, Vol. 111, No. 4, pp. 906-930, April 1985.

  8. J. A. Gutierrez and A. K. Chopra, "A Substructure Method for Earthquake Analysis of Structures Including Structure-Soil Interaction," International Journal of Earthquake Engineering and Structural Dynamics, Vol. 6, No. 1, pp. 51-70, January-February 1978.

 

Concrete Dams

  1. A. Lökke and A. K. Chopra, “Direct Finite Element Method for Nonlinear Analysis of 3-Dimensional Semi-Unbounded Dam–Water-Foundation Rock Systems,” Earthquake Engineering and Structural Dynamics, February 2018, DOI: 10.1002/eqe.3019.

  2. A. Lökke and A. K. Chopra, “Response Spectrum Analysis of Concrete Gravity Dams Including Dam–Water–Foundation Interaction,” ASCE, Journal of Structural Engineering, Vol. 141, No. 8, pp. 04014202-1–04014202-9.

  3. A. K. Chopra, “Earthquake Response Analysis Procedures for Evaluating and Upgraded Existing Arch Dams for Seismic Safety,” CD Rom Proceedings, International Congress on Large Dams, Kyoto, Japan, June 2012.

  4. A. K. Chopra, “Earthquake Analysis of Concrete Gravity Dams: Factors To Be Considered,” Proceedings, U.S. Society of Dams Annual Meeting, San Francisco, California, April 2014.

  5. A. K. Chopra, “Earthquake Analysis of Arch Dams: Factors To Be Considered,” ASCE, Journal of Structural Engineering, Vol. 138, No. 2, pp. 205-214, February 2012.

  6. A. K. Chopra and J.-T. Wang, “Earthquake Response of Arch Dams to Spatially Varying Ground Motions,” Earthquake Engineering and Structural Dynamics, Vol. 39, No. 8, pp. 887-906, July 2010.

  7. J.-T. Wang and A. K. Chopra, “Linear Analysis of Concrete Arch Dams including Dam-Water-Foundation Rock Interaction considering Spatially Varying Ground Motions,” Earthquake Engineering and Structural Dynamics, Vol. 39, No. 7, pp. 731-750, June 2010.

  8. L. K. Nuss, A. K. Chopra and J. F. Hall, “Comparison of Vibration Generator Tests to Analyses Including Dam-Foundation-Reservoir Interaction for Morrow Point Dam,” Proceedings, 21st International Congress on Large Dams, Q83-R.6, Montreal, June 2003.

  9. H. Tan and A. K. Chopra, "Dam-Foundation Rock Interaction Effects in Earthquake Response of Arch Dams," Journal of Structural Engineering, ASCE, Vol. 122, pp. 528-538, 1996.

  10. H. Tan and A. K. Chopra, "Earthquake Analysis of Arch Dams Including Dam-Water Foundation Rock Interaction," Earthquake Engineering and Structural Dynamics, Vol. 24, pp. 1453-1474, 1995.

  11. A. K. Chopra and L. Zhang, "Earthquake-Induced Base Sliding of Concrete Gravity Dams," Journal of Structural Engineering, ASCE, Vol. 117, No. 12, pp. 3698-3719, December 1991.

  12. G. Fenves and A. K. Chopra, "Simplified Earthquake Analysis of Concrete Gravity Dams," Journal of Structural Engineering, ASCE, Vol. 113, No. 8, pp. 1688-1708, August 1987.

  13. K-L. Fok and A. K. Chopra, "Water Compressibility in Earthquake Response of Arch Dams," Journal of Structural Engineering, ASCE, Vol. 113, No. 5, pp. 958-97 May 1987.

  14. A. K. Chopra, "Earthquake Resistant Design of Concrete Gravity Dams," Journal of the Structural Division, ASCE, Vol. 104, No. ST6, pp. 953-971, June 1978.

  15. D. Rea, C-Y. Liaw, and A. K. Chopra, "Mathematical Models for the Dynamic Analysis of Concrete Gravity Dams," International Journal of Earthquake Engineering and Structural Dynamics, Vol. 3, No. 3, pp. 249-258, January-March 1975.

  16. A. K. Chopra and P. Chakrabarti, "The Earthquake Experience at Koyna Dam and Stresses in Concrete Gravity Dams," International Journal of Earthquake Engineering and Structural Dynamics, Vol. 1, No. 2, pp. 151-164, October-December 1972.

  17. A. K. Chopra, "Earthquake Behavior of Reservoir-Dam Systems," Journal of the Engineering Mechanics Division, ASCE, Vol. 94, No. EM-6, December 1968.

 

Intake-Outlet Towers

  1. A. K. Chopra and A. Goyal, "Simplified Earthquake Analysis of Intake-Oulet Towers," Journal of Structural Engineering, ASCE, Vol. 117, No. 3, pp. 767-788, March 1991.

  2. A. Goyal and A. K. Chopra, "Earthquake Response Spectrum Analysis of Intake-Outlet Towers," Journal of Engineering Mechanics, ASCE, Vol. 115, No. 7, pp. 1413-1433, July 1989.

  3. A. Goyal and A. K. Chopra, "Simplified Evaluation of Added Hydrodynamic Mass for Intake Towers," Journal of Engineering Mechanics, ASCE, Vol. 115, No. 7, pp. 1393-1412, July 1989.

  4. A. Goyal and A. K. Chopra, "Hydrodynamic and Foundation Interaction Effects in Dynamics of Intake Towers: Earthquake Responses," Journal of Structural Engineering, ASCE, Vol. 115, No. 6, pp. 1386-1395, June 1989.

  5. A. Goyal and A. K. Chopra, "Earthquake Analysis of Intake-Outlet Towers Including Tower-Water-Foundation Soil Interaction," Earthquake Engineering and Structural Dynamics, Vol. 18, No. 3, pp. 325-344, April 1989.

 

Design Ground Motions

  1. N. Simon Kwong and Anil K. Chopra (2018) Determining Bi-Directional Ground Motions for Nonlinear Response History Analysis of Buildings at Far-field Sites. Earthquake Spectra In press. https://doi.org/10.1193/052217EQS093M.

  2. N. S. Kwong, and A. K. Chopra, “A Generalized Conditional Mean Spectrum and its Application for Intensity-Based Assessments of Seismic Demands,” Earthquake Spectra, Vol. 33, No. (1): pp. 123–143, February 2017.

  3. N. Simon Kwong and A. K. Chopra, “Evaluation of the Exact Conditional Spectrum and Generalized Conditional Intensity Measure Methods for Ground Motion Selection, Earthquake Engineering and Structural Dynamics, Vol. 45, No. 5, pp. 757–777, April 2016.

  4. N. Simon Kwong, A. K. Chopra, and R. K. McGuire, “A Ground Motion Selection Procedure for Enforcing Hazard Consistency and Estimating Seismic Demand Hazard Curves, Earthquake Engineering and Structural Dynamics, Vol. 44, No. 14, pp. 2467–2487, November 2015.

  5. N. Simon Kwong, A. K. Chopra, and R. K. McGuire, “Evaluation of Ground Motion Selection and Modification Procedures using Synthetic Ground Motions,” Earthquake Engineering and Structural Dynamics, Vol. 44, No. 11, pp. 1841–1861, September 2015.

  6. D. Dreger, G. Hurtado, A. K. Chopra, and S. Larsen, “Near-Field Across-Fault Seismic Ground Motion,” Bulletin of the Seismological Society of America, Vol. 40, No. 1, pp. 202-221, February 2011.

 

Buildings

  1. J. C. Reyes and A. K. Chopra, “Three-dimensional Modal Pushover Analysis of Buildings Subjected to Two Components of Ground Motion, including Its Evaluation for Tall Buildings,” Earthquake Engineering and Structural Dynamics, Vol. 40, No. 7, pp.789-806, June 2011.

  2. H. Bobadilla and A. K. Chopra, “Evaluation of the MPA Procedure for Estimating Seismic Demands: RC-SMRF Buildings,” Earthquake Spectra, Vol. 24, No. 4, pp. 827-845, November 2008.

  3. R. K. Goel, and A. K. Chopra, “Evaluation of Modal and FEMA Pushover Analyses: SAC Buildings,” Earthquake Spectra, Vol. 20, No. 1, pp. 225-254, February 2004.

  4. A. K. Chopra and R. K. Goel, “A Modal Pushover Analysis Procedure for Estimating Seismic Demands for Buildings,” Earthquake Engineering and Structural Dynamics, Vol. 31, No. 3, pp. 561-582, March 2002.

  5. A. K. Chopra and R. K. Goel, “Direct Displacement-Based Design: Use of Inelastic vs. Elastic Design Spectra,” Earthquake Spectra, Vol., 17, No. 1, pp. 47-64, February 2001.

  6. A. K. Chopra and R. K. Goel, “Building Period Formulas for Estimating Seismic Displacements,” Earthquake Spectra, Vol. 16, No. 2, pp. 533-536, May 2000.

  7. R. K. Goel and A. K. Chopra, "Period Formulas for Concrete Shear Wall Buildings," Journal of Structural Engineering, ASCE, Vol. 124, No. 4, pp. 426-433, April, 1998.

  8. R. K. Goel and A. K. Chopra, "Period Formulas for Moment-Resisting Frame Buildings," Journal of Structural Engineering, ASCE, Vol. 123, No. 11, pp. 1454-1461, November, 1997.

  9. J.C. De la Llera and A. K. Chopra, "Inelastic Behavior of Asymmetric Multistory Buildings," Journal of Structural Engineering, ASCE, Vol. 122, pp. 597-606, 1996.

  10. J. C. De la Llera and A. K. Chopra, "Understanding the Inelastic Seismic Behavior of Asymmetric-Plan Buildings," Earthquake Engineering and Structural Dynamics, Vol. 24, pp. 549-572, 1995.

  11. J. C. De la Llera and A. K. Chopra, "Evaluation of Code Accidental-Torsion Provisions from Building Records," Journal of Structural Engineering, ASCE, Vol. 120, No. 2, pp. 597-616, February, 1994.

  12. R. K. Goel and A. K. Chopra, "Seismic Code Analysis of Buildings without Locating Centers of Rigidity," Journal of Structural Engineering, ASCE, Vol. 119, No. 10, pp. 3039-3055, October 1993.

 

Bridges

  1. R. K. Goel and A. K. Chopra, “Nonlinear Analysis of Ordinary Bridges Crossing Fault Rupture Zones,” ASCE, Journal of Bridge Engineering, Vol. 14, No. 3, pp. 216-224, May/June 2009.

  2. R. K. Goel and A. K. Chopra, “Linear Analysis of Ordinary Bridges Crossing Fault Rupture Zones,” ASCE, Journal of Bridge Engineering, Vol. 14, No. 3, pp. 203-215, May/June 2009.

  3. R. K. Goel and A. K. Chopra, “Role of Shear Keys in Seismic Behavior of Bridges Crossing Fault-Rupture Zones,” ASCE, Journal of Bridge Engineering, Vol. 13, No. 3, pp. 398-408, July/August 2008.

  4. R. K. Goel and A. K. Chopra, "Evaluation of Bridge Abutment Capacity and Stiffness during Earthquakes," Earthquake Spectra, Vol. 13, No. 1, pp. 1-23, February 1997.

 

Base Isolation

  1. K. L. Ryan and A. K. Chopra. “Estimating Bearing Response in Symmetric and Asymmetric-Plan Isolated Buildings with Rocking and Torsion,” Earthquake Engineering and Structural Dynamics, Vol. 35, No. 8, pp. 1009-1036, July 2006.

  2. K. L. Ryan and A. K. Chopra. “Estimating Seismic Demands for Isolation Bearings with Building Overturning Effects,” ASCE, Journal of Structural Engineering, Vol. 132, No. 7, pp. 1118-1128, July 2006.

  3. K. L. Ryan and A. K. Chopra, “Estimation of Seismic Demands on Isolators in Asymmetric Buildings using Non-linear Analysis,” Earthquake Engineering and Structural Dynamics, Vol. 33, pp. 395-418, March 2004.

  4. K. L. Ryan and A. K. Chopra, “Estimating the Seismic Displacement of Friction Pendulum Isolators based on Non-linear Response History Analysis,” Earthquake Engineering and Structural Dynamics, Vol. 33, pp. 359-373, March 2004.

  5. K. L. Ryan and A. K. Chopra, “Approximate Analysis Methods for Asymmetric Plan Base-Isolated Buildings, “Earthquake Engineering and Structural Dynamics, Vol. 31, No. 1, pp. 33-54, January 2002.