JOSHUA H. GORDIS

Associate Professor of Mechanical Engineering

Naval Postgraduate School

Monterey, CA 93943-5100

EDUCATION

Doctor of Philosophy - August 1990

Mechanical Engineering - Rensselaer Polytechnic Institute, Troy, NY

QPA: 4.0/4.0

Master of Science - December, 1987

Mechanical Engineering - Rensselaer Polytechnic Institute, Troy, NY

QPA: 4.0/4.0

Bachelor of Science - December, 1983

Mechanical Engineering - University of Vermont, Burlington, VT

RESEARCH/TEACHING EXPERIENCE

                Naval Postgraduate School, Monterey, CA. April 1997- present

                Associate Professor, Dept. of Mechanical Engineering

                Naval Postgraduate School, Monterey, CA. September 1992 - April 1997

                Assistant Professor, Dept. of Mechanical Engineering

                San Diego State University, San Diego, CA. Spring 1992

                Faculty, part-time, Mechanical Engineering Dept.

                Miracosta Community College, Oceanside, CA. Spring 1992

                Faculty, part-time, Computer and Information Sciences Dept.

                Rensselaer Polytechnic Institute, Troy, NY

Distinguished Fellow, Army Research Office, 7/88 - 8/90

                Rensselaer Polytechnic Institute, Troy, NY

Research Assistant, 9/85 - 6/88

                Rensselaer Polytechnic Institute, Troy, NY

Teaching Assistant, 9/85 - 12/85

INDUSTRIAL EXPERIENCE

Structural Dynamics Research Corp., San Diego, CA 9/90-12/91

Engineering Services Div.  Performed large-scale static, dynamic, and thermal structural analysis and test.  Experimental modal analysis.  Launch vehicle/spacecraft coupled loads.  Structural system identification.  Structural design and analysis.  R&D activities included advanced model reduction methodologies, structural sensitivity analysis and system identification, shell buckling.

Stone and Webster Engineering Corp., Boston, MA  4/84 - 5/85

Engineering Mechanics Div.  Performed static, dynamic, and seismic stress analysis of nuclear power plant safety-related mechanical equipment. ASME nuclear code analyses.  Review of vendor and sub-contractor analyses.  Database management.  Completed in-house technical training program. 

HONORS AND PROFESSIONAL AFFILIATIONS

            NPS Outstanding Instructional Performance, 2001

                Grantee, National Science Foundation, 1998

Awarded Academic Tenure, April, 1998

NPS Outstanding Research Achievement Award, 1997

Reviewer:  AIAA Journal, Journal of Shock and Vibration, Journal of Spacecraft and Rockets,

                Journal of Mechanical Systems and Signal Processing

Member, SAVIAC Technical Advisory Group, 1996

Recognition of Excellence, Naval Surface Warfare Center, 1993

1990 American Helicopter Society Robert L. Lichten Award

Distinguished Fellow, Army Research Office, July 1988 - August 1990

Vertical Flight Foundation Scholarship, 1987, 1988, 1989

Listed, Who’s Who in Science and Engineering

Member: Sigma Xi, ASME, AIAA, SEM

COURSES TAUGHT

 

Vibrations

Structural Dynamics

Advanced Dynamics

Numerical Analysis

Design Optimization

System Dynamics

Machine Design

Statics

Fortran

Solid Mechanics I

Solid Mechanics II

Intro. Computing in Mech. Eng.

 

PUBLICATIONS

BOUND VOLUME

J. Gordis and B. Neta, 2000. “An adaptive method for the numerical solution of Volterra integral equations,” Recent Advances in Applied and Theoretical Mathematics, N. Mastorakis, editor, World Scientific and Engineering Society International Conference, Athens, Greece, December 1-3, pp. 1-8.

JOURNAL PUBLICATIONS

Gordis, J. H. and Neta, B. 2001. “Fast Transient Analysis for Locally Nonlinear Structures by Recursive Block Convolution.”   ASME Journal of Vibration and Acoustics, Vol. 123, No. 4. pp. 545-547.

Gordis, J. H. and Radwick, J. L. 1999. “Efficient Transient Analysis for Large Locally Nonlinear Structures.” Shock and Vibration, Vol. 6, No. 1, pp. 1-9.

Gordis, J. H. 1999. “Artificial Boundary Conditions for Model Updating and Damage Detection.” Journal of Mechanical Systems and Signal Processing, Vol. 13, No. 3, pp. 437-448.

Gordis, J. H. 1996. “On the Analytic Disassembly of Structural Matrices.” Modal Analysis, Vol. 11, No. 1-2. pp. 39-48.

Gordis, J. H. 1996. “Omitted Coordinate Systems and Artificial Constraints in Spatially Incomplete Identification.” Modal Analysis, Vol. 11, No. 1-2. pp. 83-95.

Gordis, J. H. 1995. “Integral Equation Formulation for Transient Structural Synthesis.” AIAA Journal, Vol. 33, No. 2, pp. 320-324.

Gordis, J. H. 1994. “Structural Synthesis in the Frequency Domain: A General Formulation.” Shock and Vibration, Volume 1, Issue 5, pp. 461-471.

Gordis, J. H. and Flannelly, W. G. 1994. “Analysis of Stress due to Fastener Tolerance in Assembled Components.”  AIAA Journal, Vol. 32, No. 12, pp. 2440-2445.

Gordis, J. H. 1992 “An Exact Formulation for Structural Dynamic Model Error Localization.”  Modal Analysis, Vol. 10, No. 1, pp. 19-33.

Gordis, J. H. 1994 “An Analysis of the Improved Reduced System Model Reduction Procedure,” Modal Analysis, Vol. 9, No. 4, pp. 269-285.

Gordis, J. H. Bielawa, R. L. Flannelly, W. G. 1991. “A General Theory for Frequency Domain Structural Synthesis” Journal of Sound and Vibration 150(1), pp. 139-158.

Gordis, J. H. 1990. “A Frequency Domain Theory for Structural Identification,” Journal of the American Helicopter Society, Vol. 38, No. 2,  April, 1993, pp. 25-33.
First place, 1990 American Helicopter Society Lichten Award Competition

Bank, L.C., Gerhardt, T. D., and Gordis, J. H. 1989 “Dynamic Mechanical Properties of Spirally Wound Paper Tubes.” Journal of Vibration, Acoustics, Stress, and Reliability in Design. Vol. 111, October, pp. 489-490.

CONFERENCE PRESENTATIONS

Gordis, J. H., Papoulias, F. and Leban, F., “Validation of Frequency Response Synthesis for Large-Scale Structural Isolation Design.” Proceedings of the 71st Shock and Vibration Symposium. Nov. 6-9, Arlington VA. 2000.

Gordis, J. H.  and Neta B., “An Adaptive Method For The Numerical Solution Of Volterra Integral Equations.”, Invited (B. Neta) talk at the World Scientific and Engineering Society International Conference on Numerical Analysis and Applications, Athens, GREECE, 1-3 December 2000.

Gordis, J. H. and Neta, B. “Fast Transient Analysis for Locally Nonlinear Structures by Recursive Block Convolution.” Proceedings of the 18th International Modal Analysis Conference, Feb. 7-10, San Antonio, TX 2000.

Florence, D. E. and Gordis, J. H.  “Time and Frequency Domain Synthesis in the Optimal Design of Shock and Vibration Isolation for Large Structural Systems.” Proceedings of the 68th Shock and Vibration Symposium,  November 3-7, Baltimore, MD 1997. Submitted, Shock and Vibration.

Gordis, J. H. and Radwick, J. L.  “Efficient Transient Analysis for Large Locally Nonlinear Structures” Proceedings of the 68th Shock and Vibration Symposium, November 3-7, Baltimore, MD 1997. Submitted, Shock and Vibration.

Gordis, J. H. Substructure Coupling and Structural Modification for Shock and Vibration. Seminar presented at the 67th Shock and Vibration Symposium, Monterey, CA, November 18-22, 1996.

Radwick J. L., Florence, D. E., and Gordis, J. H. “Optimal Design of One and Two-Layer Isolation Systems for Shock and Vibration.” Proceedings of the 67th Shock and Vibration Symposium, Volume 1. Monterey, CA, November 18-22, 1996. pp. 457-468.

Gordis, J. H. “Efficient Component-Based Structural Analysis for Shock and Vibration: Time and Frequency Domain Methods for Substructure Coupling and Structural Modification.” Proceedings of the 65th Shock and Vibration Symposium, October 31-November 3, San Diego, CA, 1994.

Gordis, J. H. “Omitted Coordinate Systems and Artificial Constraints in Spatially Incomplete Identification.” Proceedings of AIAA/ASME/ASCE/AHS/ACS 34th Structures, Structural Dynamics, and Materials Conference, 1994.

Gordis, J. H. “Spatial, Frequency Domain Updating of Linear, Structural Dynamic Models”, Proceedings of the 34th AIAA/ASME/ASCE/AHS/ACS Structures, Structural Dynamics, and Materials Conference, pp. 3050-3058 1992.

SELECTED REPORTS

Gordis, J. H. and Neta, B. “Efficient Nonlinear Transient Dynamic Analysis for Structural Optimization Using an Exact Integral Equation Formulation.” Progress report submitted to the National Science Foundation, Earthquake Hazard Mitigation Program. NSF Project #97-13481, Dec., 1999.

Wood, E. R., Danielson, D. A., and Gordis, J. H., “Research in the Structural Dynamic Response of the RAH-66 Comanche Helicopter, Report Submitted to Comanche Program Manager’s Office. Reports on work carried out from Jan. 1, 1997 to Dec. 31, 1997.

Gordis, J. H., Radwick, J., and Florence, D. “Shock and Vibration Analysis of the Paladin AFCS Computer on Two-Layer Isolation.” April, 1996. Prepared for Product Manager, Paladin/FAASV, U.S. Army.

Gordis, J. H. and Radwick, J. “The Experimental Determination of Static and Dynamic Structural Properties for Three Tonewoods.” November, 1995. Prepared for Paul Reed Smith Guitars, Co.

Gordis, J. H., Shin, Y. S., and Petersen, L. J., “Mast-Antenna Survivability: Structural Dynamic Design Analysis by Component Mode Synthesis.” January 1994. Prepared for Naval Sea Systems Command.

Gordis, J. H., Healey, A. J., and Cook, R. E., “Rule Based Design Optimization of Cradle Structures Using Frequency Domain Structural Synthesis,” December, 1993. Prepared for Program Executive Office - Submarine R&D.

Gordis, J. H. “Ground Vibration Test of the C-17A Long Range Cargo Aircraft.” May, 1991. (with SDRC, Corp. San Diego, CA).