teaching and research focus · web view“free vibration analysis with beam models which include...

Curriculum VitaMARK S. EWING

Associate Professor and Director of the Flight Research Laboratory Department of Aerospace Engineering2120 Learned Hall, University of Kansas

Lawrence, Kansas 66045-2221785-864-2964 FAX: -3597 [email protected]

EDUCATION

B.S. Engineering Mechanics, 1972, USAF Academy, distinguished graduate (summa cum laude)

M.S. Mechanical Engineering, 1978, Ohio State UniversityThesis: “Free Vibration of Fixed-Fixed Plates with an Edge Notch”, George Sutherland, advisor

Ph.D. Engineering Mechanics, 1983, Ohio State UniversityDissertation: “Free Vibration Analysis with Beam Models which Include Bending Warping, Torsion Warping and Anticlastic Bending Effects”, Arthur Leissa, advisor

PROFESSIONAL EXPERIENCE

1972 - 76 : Turbine Engine Design Analyst, Propulsion and Power Directorate, Aeronautical Systems Division (ASD/ENJ), Wright Patterson AFB, Ohio1976 - 78 : Propulsion Staff Officer, Engineering Directorate, Logistics Operations, Air Force Logistics Command Headquarters (HQ AFLC/LOE), Wright-Patterson AFB, Ohio1978 - 80 : Instructor of Civil Engineering, Department of Civil Engineering and Engineering Mechanics (HQ USAFA/DFCEM), USAF Academy, Colorado1980 - 83 : Doctoral Student, student of Professor Arthur W. Leissa, Department of Engineering Mechanics, Ohio State University1983 - 89 : Tenure Associate Professor of Engineering Mechanics, Department of Engineering Mechanics (HQ USAFA/DFEM), USAF Academy, Colorado1989-90: Chief, Analysis and Optimization Branch, Structures Division, Flight Dynamics Laboratory, Wright Research and Development Center (WRDC/FIBR), Wright-Patterson AFB, Ohio1990-1992: Senior Research Engineer, Analysis and Optimization Branch, Structures Division, Flight Dynamics Directorate, Wright Laboratory (WL/FIBRA), Wright-Patterson AFB, Ohio1992-present: Associate Professor (and Chairman, 1999-2012), Department of Aerospace Engineering, University of Kansas, Lawrence, Kansas

TEACHING AWARDS and HONORS

Aerospace Engineering Outstanding Educator Award, 1994 Henry E. Gould School of Engineering Outstanding Educator Award, 1994

mailto:[email protected]

TEACHING AND RESEARCH FOCUS

Structural dynamics and structural acoustics of high performance light-weight structures

Structural design subject to strength and stiffness constraintscontinued

Curriculum Vita: Mark S. Ewing

DEGREE COMMITTEES CHAIRED

Ho-Jin Hwang, “The Response of Thin-Walled Structures to Internal Blasts Including Crack Propagation”, MS, May 1995

Saied Mirsafian, “Forced Vibration of Two Beams Joined with a Nonlinear Rotational Joint”, PhD, May 1996

Kevin C. Downs, “Aircraft Conceptual Design Optimization Using Genetic Search Based on Return on Investment”, MS, May 1996

Alexander Kling, “Acoustic Response of a Cylinder to Point-Excitation”, MS, Dec 1997

Yahya Yilmaz, “Numerical Studies of Fibrous Composites from the View Point of Fiber-Matrix Interface and Fiber-Matrix Bonding”, PhD, December 1999

Ho-Jin Hwang, “Structural and Acoustic Responses of Beams and Plates Considering Various Damping Techniques”, PhD, May 2000

Ashok-Ghandi Pavannasam, “Optimization of Constrained Layer Damping Treatments in Sandwich Composites”, MS, May 2007

Sio, WanNok, “Statistical Energy Analysis of Sandwich Composite Cylinders with Constrained Layer Damping Treatments”, MS, August 2007

Siegele, K., “Meridian UAV Avionics Design”, MS, December 2007 Lusk, J., “Wing and Fuselage Structural Optimization Considering

Alternative Materials”, MS, May 2008 Nunez, D, “J-Integral Computations for Linear Elastic Fracture Mechanics in an hpk

Mathematical and Computational Framework”, MS, May 2008. Liu, W, “Experimental and Analytical Estimation of Damping in Beams and Plates with

Damping Treatments, PhD, Dec 2008. Vatti, K.K., “Damping Estimation of Light Weight Structures for Statistical Energy

Analysis”, MS, May, 2010 Dande, H.A.,“Panel Damping Loss Factor Estimation Using The Random Decrement

Technique”, MS, May 2011 Katipally, A.C.R., “Damping Estimation for Plates Joined at a Point Using Statistical Energy

Analysis”, MS, August 2011 Jayachandran, S.A.K., “Evaluation of Loss Factors and Coupling Loss Factors for Plates

Using Statistical Energy Analysis”, August, 2011 Dande, H.A.,“Evaluation of Loss Factor Estimation Techniques for Free Hanging

Mechanically Excited Flat Panels”, PhD, May 2013 (graduation requirements satisfied 6 Feb 2013)

SCHOLARLY SERVICE and AFFILIATION

Reviewer for Journal of Sound and Vibration, Applied Mechanics Review, ASCE Journal of Mechanics and AIAA Journal

Senior Member, AIAA Member, American Academy of Mechanics

3


Attached: Publications, Presentations, Detailed Professional Experience, Teaching Experience & Etc.

4


MAJOR PUBLICATIONS

Archival Journals:

Shahady, P.A., Lyon, C.A., Chopin, M.A., Shauer, J.J. and Ewing, M.S., "Effects of Modulated Blade Spacing on Static Rotor Acoustics and Performance," AIAA Progress in Aeronautics, Vol 38, 1975.

Leissa, A.W., and Ewing, M.S., "Comparisons of Beam and Shell Theories for the Vibrations of Thin Turbomachinery Blades," Transactions, ASME, Journal of Engineering for Power, Vol 105, No 2, 1982.

Ewing, M.S., Leissa, A.W., and Hinger, R.J., "On the Validity of the Reduced Bending Stiffness Method for Laminated Composite Plates," Composite Structures, vol 9, no 4, pp 301-317, 1988.

Ewing, M.S., "Another Second Order Beam Vibration Theory: Explicit Bending Warping Flexibility and Restraint," Journal of Sound and Vibration, vol 137, no 1, pp 43-51, 1990.

Ewing, M. S., and Mirsafian, S., “Forced Vibration of Two Beams Joined with a Nonlinear Rotational Spring: Clamped and Simply-Supported End Conditions”, Journal of Sound and Vibration, vol 193, no 3, pp 483-496, 1996.

Ewing, M. S., “Response of a Tactical Missile to Convected Aerodynamic Excitation”, AIAA Journal of Spacecraft and Rockets, vol 33, no 3, pp 360-365, 1996.

Liu, W. and Ewing, M.S., “Experimental and Analytical Estimation of Loss Factors by the Power Input Method, AIAA Journal, vol 45, no 2, pp 477-484, 2007.

Cordill, B.D., Seguin, S.A., Ewing, M.S., “Shielding Effectiveness of Carbon-Fiber Composite Aircraft using Large Cavity Theory”, IEEE Transactions on Instrumentation and Measurement, vol. 62, no. 4, pp 743-751, April 2013.

Villa, M, Hale, R.D. and Ewing, M.S., “Effects of Fiber Volume on Modal Response of Through-thickness Angle Interlock Textile Composites”, Open Journal of Composite Materials, Vol.4, No.1, 2014.

Emily Arnold, Jie-Bang Yan, Richard D. Hale, Fernando Rodriguez-Morales, Prasad Gogineni, Jilu Li, and Mark Ewing, “Effects of Vibration on a Wing-Mounted Ice Sounding Antenna-Array”, LAP Lambert virtual journal, Feb 2014.

National and International Conference Proceedings (Research):

Fisher, C.A., Ewing, M.S., and Leissa, A.W., "Vibrations of Antisymmetrically Laminated Composite Plates Subjected to Normal Inplane Initial Stress," Proceedings, Fourth International Conference on Composite Structures, Paisley College of Technology, Paisley, Scotland, 27-29 Jul 1987.

5


Ewing, M.S., and Venkayya, V.B., "Structural Identification Using Mathematical Optimization Techniques", Proceedings, 32 nd AIAA Structures, Dynamics and Materials Conference, Baltimore, Maryland, 8-10 April, 1991, pp 840-845.

Ewing, M.S., and Kolonay, R., "Dynamics Structural Model Modification Using Mathematical Optimization Techniques," Proceedings, Computer-Aided Optimum Design (OPTI '91), Boston, Massachusetts, 24-26 June, 1991, pp 285-295.

Ewing, M.S., "Structural Identification Using Mathematical Optimization Within a Production Finite Element Analysis Code", Proceedings, ADPA/AIAA/ASME/SPIE Active Materials and Adaptive Structures Conference, Alexandria, Virginia, 5-7 Nov 91, pp 372-373.

Ewing, M.S., Chrostowski, C., and Hasselman, T.K., "Comparison of Popular Finite Element Updating Techniques", Proceedings, AIAA Structural Dynamics Specialists Conference, Dallas, Texas, 13-15 April, 1992.

Ewing, M.S., Kivity, J. and Lenselenk, H., "Internal Blast Response of a Ring-Reinforced, Thin-Walled, Right Circular Cylinder: Analysis and Test", Proceedings, FAA Aircraft Hardening and Survivability Symposium, Atlantic City, NJ, 11-13 Aug 1992.

Ewing, M. S., "Response of a Tactical Missile to Aerodynamic Excitation", Proceedings, 36th AIAA Structures, Structural Dynamics and Materials Conference, 10-13 April 1995.

Ewing, M. S., and Hwang, H., "Damage Propagation in Thin-Walled Structures Due to Internal Blast", Proceedings, 36th AIAA Structures, Structural Dynamics and Materials Conference, 10-13 April 1995.

Ewing, M.S., Arnold, A., Asadi, M., and Saripalli, S., “Polymer Matrix, Woven Fabric Composite Manufacturing Process Design with Melt-Out Mandrels”, Proceedings, 2nd International Conference on Composites Engineering, New Orleans, 21-23 August, 1995.

Ewing, M. S., “Design of an Aircraft Wingbox with a Genetic Search Algorithm”, Proceedings, 37th AIAA Structures, Structural Dynamics and Materials Conference, Seattle, WA, April, 1996 [AIAA-96-1536].

Sim, P., Lim, T.W., and Ewing, M.S., and Swearingen, J.D., “Structural-Acoustic Interaction Modeling with Passive Damping Materials for Interior Noise Abatement”, Proceedings, 4th AIAA/CEAS Aeroacoustics Conference, Toulouse, France, 2-4 June 1998.

Farokhi, S., Mirsafian, S., Sherwood, T., and Ewing, M. S., “Prediction of Asymmetric Buffet Load on Horizontal Stabilizers in Massively Separted Flows”, Proceedings of the 21st ICAS Congress, Melbourne, Australia, 3-18 September, 1998.

Ewing, M.S., Yilmaz, Y.I. and Hale, R., “Using a Simple Concentric Cylinder Model to Interpret Failure Stresses in a Single Fiber Fragmentation Test”, Proceedings, 7 th International Conference on Composites

6


Engineering, July 2-8, 2000, pp 217-218.

Landes, J., Hale, R.D., and Ewing, M.S., “Dynamic Structural Response of a Fiber Reinforced Plastic Telescope Mirror” Proceedings, 24 th International Modal Analysis Conference, St. Louis, Missouri, 30 Jan-12 Feb 2006.

Liu, W. and Ewing, M.S., “Experimental and Analytical Estimation of Loss Factors by the Power Input Method, Proceedings, 47 th AIAA Structures, Structural Dynamics and Materials Conference, 1-4 May 2006, Newport, RI.

Liu, W. and Ewing, M.S., “Particle Damping of Composite Honeycomb Beams by the Power Input Method”, Proceedings, 48 th AIAA Structures, Structural Dynamics and Materials Conference , Honolulu, HI, April 2007.

Donovan, W.R., Hale, R.D., Ewing, M.S., and Siegele, K., “The Design and Development of the Onboard Systems for the Meridian Unmanned Aircraft”, Proceedings, Infotech at Aerospace, 2007 (also AIAA-2007-2745). Liu, W. and Ewing, M.S., “Estimating Particle Damping of Honeycomb Sandwich Plates Using a Fluid Analogy”, Proceedings, 49 th AIAA Structures, Structural Dynamics and Materials Conference , April 2008, Shaumberg, IL.

Liu, W. and Ewing, M.S., “Predicting Damping Loss Factors for Beams and Plates with Constrained Layer Damping”, Proceedings, 49 th AIAA Structures, Structural Dynamics and Materials Conference, April 2008, Shaumberg, IL.

Hale, R.D., Ewing, M.S., Taghavi, R., Colgren, R., Downing, D.R., “Vertical Integration of Virtual and Actual UAV Prototyping in the Aerospace Engineering Curriculum”, Proceedings, AUVSI Unmanned Systems North America, 10-12 June 2008, San Diego, CA.

Ewing, M. S., Dande, H., and Vatti, K., “Validation of Panel Damping Loss Factor Estimation Algorithms Using a Computational Model”, Proceedings, 50 th AIAA Structures, Structural Dynamics and Materials Conference, Palm Springs, CA, May 2009.

Ewing, M. S., “Damping of Engineered Structures”, Proceedings, 7 th International Symposium on Vibrations Of Continuous Systems, Zakopane, Poland, July 2009, pp 15-17.

Dande, H. and Ewing, M. S.,“Panel Damping Loss Factor Estimation Using the Random Decrement Technique”, Proceedings, 51 st AIAA Structures, Structural Dynamics and Materials Conference , Orlando, FL, April 2010.

Ewing, M. S. and Vatti, K., “Coupling Loss Factor Estimation for Plates Joined along a Line: Analysis and Experiment”, Proceedings, NoiseCon 2010, Baltimore, MD, April 2010.

Ewing, M. S. and Vatti, K., “Coupling Loss Factor Estimation for Plates Joined at a Point: Analysis and Experiment”, Proceedings, NoiseCon 2010, Baltimore, MD, April 2010.

Ewing, M.S., and Dande, H., “Damping Loss Factor Estimation for Coupled Plates Using Experimental Transient Statistical Energy Analysis”, Proceedings, 52 nd AIAA Structures, Structural Dynamics and Materials Conference, Denver, Colorado, 4-7 April 2011.

7


Hale, R.D., Arnold, E., Ewing, M.S. and Liu, W., “Method for Design and Analysis of Externally Mounted Antenna Fairings in Support of Cryospheric Surveying”, Proceedings, 52 nd AIAA Structures, Structural Dynamics and Materials Conference, Denver, Colorado, 4-7 April 2011.

Cordill, B.D., Seguin, S.A., Ewing, M.S., “Shielding Effectiveness of Composite and Aluminum Aircraft, Model, and Measurement Comparison”, Proceedings, 2011 IEEE International Instrumentation and Measurement Technology Conference, Binjang, Hangzhou, China, 10-12 May 2011.

Ewing, M.S., and Dande, H., “On When Oscillatory Response of a Structural Element is Not Modal Response”, Proceedings, 8 th International Symposium on Vibrations of Continuous Systems, Whistler, British Columbia, July 2011, pp 13-15.

Cordill, B.D., Seguin, S.A., Ewing, M.S., “On Reverberation Theory and Carbon-Fiber Composite Aircraft”, Proceedings, 2012 IEEE International Instrumentation and Measurement Conference, Graz, Austria, 13-16 May 2012.

Aziz, M.A., Cordill, B.D., Seguin, S.A., Ewing, M.S., Mamaril, B., Phillips, J. and Pendse, V., “Shielding Effectiveness of Composite Aircraft: A Reverberation Chamber and Virtual Measurement Study”, Proceedings, 2012 IEEE International Instrumentation and Measurement Conference, Graz, Austria, 13-16 May 2012.

Ewing, M.S. and Dande, H.A., “Characterizing Plate Damping Loss Factor Estimation Errors”, Proceedings, 53 rd AIAA Structures, Structural Dynamics and Materials Conference, Honolulu, Hawaii, 23-26 April 2012.

Dande, H.A. and Ewing, M.S., “On the Effect of Mechanical Excitation Position on Panel Loss Factor Estimation with the Power Input Method”, Proceedings, Internoise 2012/ASME NCAD, 19-22 August 2012, New York City, NY (paper IN12-1188).

Ewing, M.S. and Dande, H.A., “On the Accurate Estimation of Damping in Structural Elements”, Proceedings, 9th International Symposium on Vibrations of Continuous Systems, Courmayer, Italy, July 2013, pp 25-27.

Shi, L, Allen, C., Ewing, M.S., Keshmiri, S., Zakharov, M., Florencio, F., Niakan, N. and Knight, R., “Multichannel Sense-and-Avoid Radar for Small UAVs”, Proceedings, 32 nd Digital Avionics Systems Conference, October 6-10, 2013. Syracuse, NY.

National Conference Proceedings (Education):

Ewing, M.S., Armstrong, T., and Fisher, C.A., "Design of Lightweight Aircraft Structures with a Microcomputer Toolkit," Proceedings, ASEE Annual Meeting, Cincinnati, Ohio, June 1986.

Fisher, C.A., and Ewing, M.S., "A Zero-Based Mechanics Curriculum," Proceedings, ASEE Annual Meeting, Cincinnati, Ohio, June 1986.

8


Ewing, M.S., and Antoon, F.A., "Using the Apple IIe Microcomputer and the Adalab Interface Card for Transducer Measurement and Process Control," Proceedings, ASEE Annual Meeting, Cincinnati, June 1986.

Ewing, M.S., "PC-Based Vibration Laboratories at the U.S. Air Force Academy," Proceedings, ASEE Annual Meeting, Portland, Oregon, June 1988.

MINOR PUBLICATIONS and REPORTS

Abstracts and Minor Conference Proceedings:

Ewing, M.S., "Free Vibration of Thin, Shallow, Cylindrical Shells with a Beam Model Including Bending Warping and Torsion Warping," Developments in Mechanics, Proceedings of the 19th Midwestern Mechanics Conference, Columbus, Ohio, 9-11 September 1983, vol 13, pp 108-109 . [abstract only]

Nicholls, D.J., Ewing, M.S., and Becker, M.L., "Strength, Toughness and Structural Damping Characterization of Tough, Rubber-modified Epoxy Interlayers in High Stiffness Composites," Proceedings, Industry - University Advanced Materials Conference, Golden, Colorado, 15-17 Feb 1987.

Ewing, M.S., and Leissa, A.W., "Accuracy of the Reduced Bending Stiffness Representation of Laminated Composite Plates," Proceedings, Sixth International Conference on Composite Materials, Imperial College, London, England, 20-25 July 1987. [abstract and poster]

Ewing, M.S., "Symbolic Algebra Computer Programs in Mechanics", Developments in Mechanics, Proceedings of the 21st Midwestern Mechanics Conference, Houghton, Michigan, August 1989. [abstract]

Ewing, M.S., "Practical Limitations on Updating Finite Element Models Using Mathematical Optimization Techniques", Developments in Mechanics, Proceedings of the 22nd Midwestern Mechanics Conference, Rolla, Missouri, 6-9 October, 1991, pp 570-571.

Government Technical Reports

Ewing, M. S., "Structural Damage Propagation Due to Internal Blast", US Air Force Wright Laboratory technical report, WL-TR-94-3116, Feb 1994.

Ewing, M.S., “Interpolation of a Stress Intensity Factor Database for Two Elliptical Corner Cracks Near a Rivet Hole in Sheet Subjected to Bearing, Bending or Tension”, USAFA-TR-2008-05, 31 Dec 2007.

Other Reports:

Ewing, M.S., and Copp, P., "Independent Structural Analysis of the Azimuth Bearing Replacement Proposal for the new Boston, N.H. Tracking Station," prepared for the

9


Air Force Satellite Control Facility, Sunnyvale AFS, Feb 1979.

Ewing, M.S., "Aeropropulsion Supersonic Test Facility (ASTF) Expansion Joint Failure,", prepared for ASTF Program Office, Arnold AFS, September 1983.

Ewing, M.S., "Evaluation of the RAD Flexural Rigidity Sensor (FRS) - Report on Progress Through 15 Aug 1986," prepared for the DARPA X-29 Program Office.

Ewing, M.S., "Evaluation of the RAD Flexural Rigidity Sensor (FRS) - Report on Phase 2 Progress Through 4 Feb 1987," prepared for the DARPA X-29 Program Office.

Ewing, M.S., "Joint STARS Antenna Structural Health Assessment, prepared for the Joint STARS Program Office, US Air Force Electronic Systems Division, Hanscom AFB, 17 July 1987.

Ewing, M.S., "Joint STARS Antenna Structure Environmental and Reliability Testing Assessment, prepared for the Joint STARS Program Office, US Air Force Electronic Systems Division, Hanscom AFB, 17 July 1987.

Ewing, M.S., "Qualitative Analysis of Selected Acceleration and Strain Gage Data from X29-A2 Flight #42", prepared for the X-29 Advanced Development Program Office, Wright-Patterson AFB, 7 August 1990.

Ewing, M.S., "System-Optimized, Ultra Low-Cost, High Strength Fuel Tankage for Long Range Missiles", Final Report, U.S. Army Missile Command contract # DAAHO1-93-C-R-018, 9 June 1993.

Ewing, M.S., "Nonlinear Bending Vibration of a Sounding Rocket: An Opportunity for Nonlinear Structural Identification", Final Report, Faculty Summer Research Program, Air Force Office of Scientific Research, pp 20-1 to 20-20, 1993.

Ewing, M. S., and Haste, F., "Analysis and Characterization of Measured Aerodynamic Loading on a Tactical Missile", Air Force Wright Laboratory technical report, WL-TR-94-3156, Feb 1995.Ewing, M.S., and Wohletz, J.M., "Experimental Vibration Characterization of a Scale Model Missile Structure", Final Report, Aerotech Engineering & Research contract, 30 Dec 1994.

Ewing, M.S., Lim, T.W., and Swearingen, J.D., “An Integrated Design Approach to Aircraft Interior Noise Reduction”, yearly report to the Aircraft Design and Manufacturing Research Center, 31 Dec 1996.

Lim, T.W., Ewing, M.S., and Swearingen, J.D., “An Integrated Design Approach to Aircraft Interior Noise Reduction”, yearly report to the Aircraft Design and Manufacturing Research Center, 31 Dec 1997.

Lim, T.W., Ewing, M.S., and Swearingen, J.D., “An Integrated Design Approach to Aircraft Interior Noise Reduction”, yearly report to the Aircraft Design and

10


Manufacturing Research Center, 31 Dec 1998.

Ewing, M.S., Kling, A., Lim, T.W.,and Swearingen, J.D.,“Predicting Sound Levels Inside a Cylinder with a Sound-Absorbing Liner due to Point Excitation”, KU-FRL-14401-3, 15 January 1999.

Farokhi, S., Mirsafian, S., Sherwood, T., and Ewing, M.S., "Prediction of Asymmetric Buffet Loads on Horizontal Stabilizers in Massively Separated Flows, Phase II", DOT/FAA/AR-99/27, May 1999.

Ewing, M.S., Swearingen, J.D. and Kirk, M., "Beech 1900D Flight Test, 12 January 1999: Initial Data Analysis", KU-FRL-14401-5, 30 December 1999.

Ewing, M.S., Liu, W., Pavannasam, A., Sio, W., “Aircraft Interior Noise Reduction Studies for Composite Sandwich Structures” (yearly progress report) and KU-FRL-KAN32460-1, Jan 2005.

INVITED PRESENTATIONS

"Computer-Aided Design of Aerospace Structures", Aerospace Structural Design Evening Lecture Series, Department of Engineering Mechanics, USAF Academy, March and November, 1990.

"Dynamic Structural Model Modification Using Mathematical Optimization", Seminar Series in Engineering Mechanics, Ohio State University, 27 February 91.

"Prediction of Vibration Levels of a Missile Subjected to Uncorrelated Random Pressure Excitation", NASA/COSMIC 19th NASTRAN User's Colloquium, Williamsburg, Virginia, 22-26 April, 1991.

"Prediction of Vibration Levels of a Missile Subjected to Correlated Random Pressure Excitation", NASA/COSMIC 20th NASTRAN User's Colloquium, Colorado Springs, CO, 29 April-1 May 1992.

"Chaos: From Butterflies to Jurassic Park", Aerospace Directorate Seminar Series, US Air Force Phillips Laboratory, July, 1993 (also, Aerospace Colloquium, University of Kansas Aerospace Engineering Department, October, 1993).

"Damage Progression Due to Internal Blast", MacNeal-Schwendler Corporation World Users" Conference, Walt Disney World, Florida, May 1994.

“Prediction and Measurement of Damping Loss Factors in sandwich Composite Structure”, Ewing, M. S., Liu, W., Pavanasam, A., and Sio, W., Aircraft Interior Noise Workshop, Spirit AeroSystems, 6 April 2006.

“Aircraft Structural Design”, Cytech International, Anaheim, CA, 13-14 July, 2006.

“Interpolation of a Stress Intensity Factor Database for Two Elliptical Corner Cracks Near a Rivet Hole in Sheet Subjected to Bearing, Bending or Tension”, USAF Center for Aircraft Structural Life Extension, USAF Academy, 15 April 2007

“Applied Research Activities in the Design Education Curriculum at the University of Kansas”, presented at the Open Forum in Design Education: The Role of Design Experience in Advancing Engineering Education (session 196), 49th AIAA Aerospace Sciences Meeting, Orlando, Florida, 6 Jan 2011.

11


PRESENTATIONS

"Vibration of a Cracked Rectangular Plate", 50th Shock and Vibration Symposium, Colorado Springs, Colorado, 16-18 October 1979.

"Free Vibration of Thin, Shallow, Cylindrical Shells with a Beam Model Including Bending Warping and Torsion Warping," 19th Midwestern Mechanics Conference, Columbus, Ohio, 9-11 September 1983.

"Design of Lightweight Aircraft Structures with a Microcomputer Toolkit," ASEE Annual Meeting, Cincinnati, Ohio, June 1986.

"Using the Apple IIe Microcomputer and the Adalab Interface Card for Transducer Measurement and Process Control," ASEE Annual Meeting, Cincinnati, Ohio, June 1986.

"Strength, Toughness and Structural Damping Characterization of Tough, Rubber-modified Epoxy Interlayers in High Stiffness Composites," Industry-University Advanced Materials Conference, Golden, Colorado, 15-17 Feb 1987.

"Validation of Engineering Theory: An Appropriate Use of Computers", ASEE Rocky Mountain Section Meeting, Fort Collins, Colorado, 8-9 April, 1988.

"Dynamic Structural Model Modification Using Optimization Techniques", AIAA Dayton-Cincinnati Section Mini-Symposium, Dayton, Ohio, 14 March 1991.

"Structural Identification Using Mathematical Optimization Techniques", AIAA Structures, Dynamics and Materials Conference, Baltimore, Maryland, 8-10 April, 1991.

"Dynamics Structural Model Modification Using Mathematical Optimization Techniques," Computer-Aided Optimum Design Conference (OPTI '91), Boston, Massachusetts, 24-26 June, 1991.

"Practical Limitations on Updating Finite Element Models Using Mathematical Optimization Techniques", 22nd Midwestern Mechanics Conference, Rolla, Missouri, 6-9 October, 1991.

"Structural Identification Using Mathematical Optimization Within a Production Finite Element Analysis Code", ADPA/AIAA/ASME/SPIE Active Materials and Adaptive Structures Conference, Alexandria, Virginia, 5-7 Nov 91.

"Identification of Large Space Structures Using Mathematical Programming Optimization Techniques", Eighth VPI&SU Symposium on Dynamics and Control of Large Structures, Blacksburg, Virginia, 6-8 May 1991.

12


"Comparison of Popular Finite Element Updating Techniques", AIAA Structural Dynamics Specialists Conference, Dallas, Texas, 13-15 April, 1992.

"Failure Progression in Aircraft Structures after Internal Blast", AIAA Wichita Section Symposium, November, 1993.

"Response of a Tactical Missile to Aerodynamic Excitation", 36th AIAA Structures, Dynamics and Materials Conference, New Orleans, Louisianna, 10-13 April 1995.

"Damage Propagation in Thin-Walled Structures Due to Internal Blast",36th AIAA Structures, Dynamics and Materials Conference, New Orleans, Louisianna, 10-13 April 1995.

"Design of an Aircraft Wingbox with a Genetic Search Algorithm", 37th AIAA Structures, Dynamics and Materials Conference, Seattle, Washington, April, 1996.

"Prediction of Aircraft Interior Noise Reduction Schemes: A Computational Demonstration", SAE General, Corporate & Regional Aviation Meeting, Wichita, Kansas, 1 May 1997.

“Using a Simple Concentric Cylinder Model to Interpret Failure Stresses in a Single Fiber Fragmentation Test”, 7th International Conference on Composites Engineering, Denver, Colorado, July 2-8, 2000.

“Dynamic Structural Response of a Fiber Reinforced Plastic Telescope Mirror” 24th International Modal Analysis Conference, St. Louis, Missouri, 30 Jan-12 Feb 2006.

“Experimental and Analytical Estimation of Loss Factors by the Power Input Method, 47th AIAA Structures, Structural Dynamics and Materials Conference, 1-4 May 2006, Newport, RI.

“Predicting Damping Loss Factors for Beams and Plates with Constrained Layer Damping”, 49th AIAA Structures, Structural Dynamics and Materials Conference, April 2008, Shaumberg, IL.

“Validation of Panel Damping Loss Factor Estimation Algorithms Using a Computational Model”, 50 th

AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, May 2009, Palm Springs, CA.

“Damping of Engineered Structures”, 7thInternational Symposium on Vibrations Of Continuous Systems, Zakopane, Poland, July 2009.

“On When Oscillatory Response of a Structural Element is Not Modal Response”, 8 th International Symposium on Vibrations of Continuous Systems, Whistler, British Columbia, July 2011.

“Characterizing Plate Damping Loss Factor Estimation Errors, 53rd AIAA Structures, Structural Dynamics and Materials Conference, Honolulu, Hawaii, 23-26 April 2012.

“On the Accurate Estimation of Damping in Structural Elements”, Proceedings, 9 th International Symposium on Vibrations of Continuous Systems, Courmayer, Italy, July 2013.

13


"Design, Development and Operation of UAVs for Remote Sensing", Kansas UAV Symposium, Manhattan, Kansas, Oct 2013.

14


DETAILED PROFESSIONAL EXPERIENCE

1992-present: Associate Professor of Aerospace Engineering (Chair, 1 January 1999- 17 August 2012), Department of Aerospace Engineering, University of Kansas, Lawrence, Kansas

Research Grants:

- Multichannel Sense-and-Avoid Radar for Small UAVs, NASA, $200,000 (1 Nov 2012-31 Oct 2013), Co-PI -Cure Management for Composite Bonded Repair, NASA EPSCoR (pass-through from WSU), $75,000 (1 Jul 2011-30 Jun 2014, Co-PI

-Materials and Sustainable Environment Center (M2SEC), $13,450,000 (American Recovery and Reinvestment Act building grant, August 2010-July 2012), Co-PI (Acoustics Test Facility)

-Center for Research on Ice Sheets, NSF, $19,000,000 (1 Jun 2010-31 May 2015), Co-PI (UAV Avionics Team lead)

-Electromagnetic Environmental Concerns for Carbon-Fiber Composite Structures, Aerospace Design and Manufacturing Research Center, $100,000 (1 Jan 2010-31 Dec 2011), PI

-Great Plains Acoustic Test Facility, Kansas University Transportation Research Institute (pass-through from US DoT), $50,000 (15 Aug 2007-20 Mar 2009), PI

-Damping Loss Factor Estimation, Spirit AeroSystems, $55,000 (30 Sep 2007-2 April 2009), PI

-Center for Research on Ice Sheets, NSF, $19,000,000 (1 Jun 2005-31 May 2010), Co-PI (UAV Avionics Team Lead)

-UAV Requirements Definition for Remote Sensing in the Polar Regions, NASA, $50,000 (1 Jul-30 Sep 2004), Co-I

-Aircraft Interior Noise Reduction Studies for Composite Sandwich Panels, Aircraft Design and Manufacturing Research Center (ADMRC), $160,000 (1 Jan-31 Dec 2005), PI -KU Access to Space Initiative, (KU Research Development Fund) $124,904 (Oct 2000-May 2003), PI (with Sorensen, Prescott, Gogineni, Rich, Jakubauskas and Rake)

-A Scanning Laser Vibrometer for Structural Dynamics Research, (NSF, Raytheon and Boeing) $162,800, Sep 99, PI (with McCabe)

-An integrated design approach to aircraft interior noise reduction, sponsored by the Aircraft Design and Manufacturing Research Center (ADMRC), $33,400 (Oct -Dec 95), $131,900 (1 Jan-31 Dec 96) $101,750 (1 Jan-31 Dec 97), $101,750 (1 Jan-31 Dec 98), and $101,750 (1 Jan-31 Dec 99), co-PI.

15


-Strength of Carbon Fibers in Composite Materials, sponsored by the National Science Foundation (via Kansas State University), $25,000 (1 Jan-31 Dec 97) , $25,000 (1 Jan - 31 Dec 98), $30,000 (1 Jan - 31 Dec 99), $30,000 (1 Jan – 31 Dec 2000) and $30,000 (1 Jan – 31 Dec 2001), PI.-Enhanced aircraft design capabilities for the Automated STRuctural Optimization System (ASTROS), sponsored by the U.S. Air Force and ACTA, Inc., $25,000 grant (1995), PI.

-Analysis of aircraft structures subjected to internal blast, sponsored by the FAA, the U.S. Air Force and CSA Engineering, $30,000 and $31,000 grants (1994 and 1995), PI.

-Design and manufacturing of a low-cost fuel tank for a cruise missile, sponsored by the US Army and Aerotech Engineering and Research, Lawrence, Kansas, $15K grant (1993), PI.

-Launch survivability of sounding rockets with nonlinear inter-stage joints, sponsored by USAF Phillips Laboratory, $8K summer faculty sponsorship (1993).

Other Significant Accomplishments:

-Facility Development:- Structural dynamics laboratory to support education and structural acoustics

research, including a modal test system and a scanning laser vibrometer- Vehicle Manufacturing Facility: 2500 sq ft, with metal-forming and wood-

construction capability- Aerospace Instrumentation Laboratory: 9-workstations with National

Instruments LabView hardware for undergraduate education- Milt Sills Flight Briefing Room, Garrison Flight Research Center, Lawrence

Airport - Avionics Laboratory, Garrison Flight Research Center, Lawrence Airport

-Developed a new course in finite element-based structural optimization, including non-linear programming and genetic search algorithms

-Developed a new course in structural vibrations with modal testing laboratories

-Developed a 4-year Professional Development Program for Aerospace Engineering students to include:

- Time management- Writing (reports, resumes, letters)- Management and leadership- Personal and corporate finances- Ethical behavior

-Co-Director of Leadership Challenge, a cooperative venture between the Schools of Business and Engineering and the Schools’ Career Services Advisory Board

16


Consultation:

-Consultant to Aerotech Engineering and Research, Inc., Lawrence, KS, on:--composite manufacturing processes for the U.S. Army Missile Command--composite structure failure detection for the U.S. Air Force--piezoceramic motor development for the U.S. Department of Energy

-Consultant to Dynamic Analysis, Inc., Lawrence, KS, on:--launch-load structural analysis for International Space Station light fixtures--building roof buckling-induced noise

-Consultant to Cytec International, Anaheim, CA on graphite composite airframe weight estimation

17


1990-1992: Senior Research Engineer, Design and Analysis Methods Group, Analysis and Optimization Branch, Structures Division, Flight Dynamics Directorate, Wright Laboratory (WL/FIBRA), Wright-Patterson AFB, Ohio

- Conducted research in:--finite element model updating using mathematical optimization techniques--correlated, random pressure-induced vibration response prediction--survivability of commercial aircraft subject to on-board bomb detonation

- Supervised Air Force-Contractor team analyzing vibration response of a tactical missile to correlated pressure excitation (3-year, $240K effort).

1989-90: Chief, Analysis and Optimization Branch, Structures Division, Flight Dynamics Laboratory, Wright Research and Development Center (WRDC/FIBR), Wright-Patterson AFB, Ohio

- Supervised 20 engineers conducting research in computational structural mechanics, structural optimization and aeroservoelasticity

- Coordinated Branch research with NASA and other DoD agencies, including NASA, AFOSR, and the Department of the Navy

1983-89: Tenure Associate Professor of Engineering Mechanics, Department of Engineering Mechanics (HQ USAFA/DFEM), USAF Academy, Colorado

Primary Duties:

- Instructor and Course Director for numerous engineering courses (Aerospace Structural Analysis, Aerospace Structural Design, Experimental Mechanics, Vibrations, Finite Element Method, and Mechanics of Deformable Bodies)

- Director of Budget: developed numerous equipment buy-plans for the Applied Mechanics Lab and the Engineering Division's Computer-Aided Design Lab

- Deputy for Structures: supervised instructors, developed curriculum and budget requirements for lab and computer resources to support structural analysis and structural dynamics education

Consultation:

- Consultant for Aeropropulsion Supersonic Test Facility (ASTF) program office, Arnold AFS, Tennessee: determined the cause of “screech” in a 28-foot diameter expansion joint in the ASTF wind tunnel and proposed a solution which was subsequently implemented (report)

-Consultant for DARPA's X-29 Program Office: conducted laboratory evaluation of a novel structural vibration sensor being considered for flight test (report)

18


- Consultant for Joint Surveillance Target Attack Radar (Joint STARS) Program Office, Hanscom AFB, MA: reviewed radar antenna structural design and test plans to assess the structural "health" of the

antenna; proposed numerous weight reduction schemes (two reports); proposed numerous structural dynamics tests to better identify vibration problems

- Consultant to USAF Accident Investigation Board (Fatal ASK-4 glider crash): led a 10-man military team through mountainous terrain to survey crashed aircraft; determined aircraft attitude and structural integrity at impact

Research:

- Design of damped, high toughness composites, sponsored by AFOSR (paper)

- Analysis of bending, vibration and buckling of composite panels (three papers)

Other Significant Accomplishments:

- Developed Computer-Aided Design Lab for cadet instruction: included PC-based and mini-computer-based finite element analysis with solid modeling capability

- Developed Vibration Test Facility to support cadet education, including testing Get Away Special (GAS) Space Shuttle experiments: capable of all Military Standard 810D vibration and shock testing

- Developed Composites Manufacturing Facility for cadet instruction and faculty research: included a research-grade autoclave capable of curing thermoset and thermoplastic composites

- Developed Modal Test Facility to support cadet education and faculty research

1980-83: Doctoral Student of Professor Arthur W. Leissa, Department of Engineering Mechanics, Ohio State University

1978-80: Instructor of Civil Engineering, Department of Civil Engineering and Engineering Mechanics (HQ USAFA/DFCEM), USAF Academy, Colorado

- Instructor and Course Director, Engineering Fundamentals

- Consulting for Air Force Satellite Control Facility, Sunnyvale AFS:

-- Investigated steel design safety concerns for the proposed 8-foot diameter azimuth bearing replacement procedure for the New Boston, New Hampshire Station tracking antenna (report)

-- Proposed hydraulic system modification for Indian Ocean Station tracking antenna to alleviate slew control problems

19


20


1976-78: Propulsion Staff Officer, Engineering Directorate, Logistics Operations, Air Force Logistics Command Headquarters (HQ AFLC/LOE), Wright-Patterson AFB, Ohio

- Headquarters Staff Officer for the Engine Component Improvement Program (CIP), Spectrometric Oil Analysis Program (SOAP), Air Logistics Center (ALC) engineering laboratories and ALC Engineering Services for propulsion systems

- Project Officer for NATO JP-4 to JP-8 Fuel Conversion Program: projected engineering and test budget requirements; on-site director for operational cold weather test program, Minot AFB, South Dakota

1972-76: Turbine Engine Design Analyst, Propulsion and Power Directorate, Aeronautical Systems Division (ASD/ENJ), Wright Patterson AFB, Ohio

- Finite Element Stress Analysis and service life prediction for turbine engine components for F-15, F-16, A-10 and A-7 program offices

- Chief, F-17 Engine (YJ101) Structural Life and Durability Assessment Team, F-16 versus F-17 source selection

21


TEACHING EXPERIENCE

United States Air Force Academy, 1976-1978 and 1983-1989. Course descriptions use the following abbreviations: EM = Engineering Mechanics, Engr = Engineering, and CE = Civil Engineering.

CE 110 and Engr 110, Engineering Fundamentals (statics, dynamics and "strength of materials") - 10 offerings

EM 120, Engineering Fundamentals (statics and "strength of materials") - 4 offerings

EM 320, Dynamics (vector mechanics of particles and rigid bodies) - 2 offerings

EM 331, Aerospace Structural Analysis (classical "strength of materials" with applications to semimonocoque construction) - 4 offerings

EM 332, Aerospace Structural Design (design of bolted, riveted and welded connections, tube structures and buckling-limited aerospace structures, with lab, 4 design projects) - 2 offerings

EM 335, Mechanics of Deformable Bodies (advanced "strength of materials" and introduction to elasticity) - 1 offering

EM 420, Vibration (response of lumped parameter systems, with lab, and introduction to continuous systems) - 3 offerings

Engr 430, Engineering Design (semester-long group design project) - 1 offering

EM 431, Introduction to the Finite Element Method (both direct stiffness and "energy" formulations of bar and beam elements) - 6 offerings

EM 432, Finite Element Method (constant strain and isoparametric elements, substructuring and dynamic analysis, design project) - 5 offerings

EM 460, Experimental Mechanics (instrumentation, photoelasticity, strain gages and holography) - 2 offerings

EM 499, Independent Study - 6 students, 5 projects: Design and Testing of Unsymmetric Laminated Composites, Literature Survey of Passive Damping Applications for Structures, Vibration and Sound Laboratory Development, Modal Testing Software Development, Modal Testing of a Large Space Structure Test Article

Wright State University, 1990-1992. Here, ME = Mechanical Engineering

ME 408/608, Design Optimization (classical optimization theory, design project) - 3 offerings

22


ME 409/609, Aircraft Structural Design (a new course developed for Wright State's proposed Aerospace Engineering degree program) - 1 offering

ME 213, Dynamics for Engineers (vector mechanics of particles and rigid bodies) - 2 offeringsUniversity of Kansas, 1992-present. Here, AE = Aerospace Engineering

AE 430, Aerospace Instrumentation – selection and use of instrumentation for flight vehicles and aerospace laboratories – 1 offering

AE 507, Aerospace Structures - (introduction to aerospace materials; classical "strength of materials" analysis with emphasis on semimonocoque construction; introduction to buckling; design of connections, beams with combined loading and wingboxes limited by buckling constraints) – 21 offerings

AE 510, Materials and Processes – (selection of materials for aerospace vehicles, manufacturing processes for aerospace vehicles, design of manufacturing processes) – 3 offerings

AE 523, Spacecraft Design (mission design, aerospace environment, orbit design, launch systems, reentry, attitude control, propulsion, onboard power, communications, payload design, structures, entry in national AIAA/Loral spacecraft design contest) - 6 offerings

AE 590 Senior Seminar – preparation for entry into the Aerospace Engineering profession - 13 offerings

AE 625/725, Numerical Optimization - (classical optimization theory: emphasis on numerical programming with an introduction to genetic, simulated annealing and neural network algorithms; finite element-based structural optimization) -6 offerings

AE 680/705, Structural Vibrations (review of free and forced excitation, dynamic measurements, environmental testing lab, theory of modal testing, design of modal tests, modal test lab) – 11 offerings

CPE 121, Introduction to Computer Programming - 1 offering

Math 250, Differential Equations – 1 offering

University of Kansas Continuing Education, 1995-present.

Aircraft Structures Analysis & Design

multiple public courses in Seattle, Orlando and San Diego public courses in Bethesda (MD), Ft Worth, Las Vegas and Singapore on-site courses for Boeing Aircraft (Seattle), Bombardier (Toronto, Canada),

23


Boeing Aircraft (Winnipeg, Canada), Wichita Aerospace Consortium (Wichita), Hawker-Beechcraft (Wichita), Bell Helicopter (Ft Worth), Northrop-Grumman Aircraft (San Bernardo, CA), Sierra Nevada (Denver) and Taeco (Xiamen, China)

Aerospace Structural Composites

on-site courses in Wichita and Hong Kong

24


ETC.

Hobbies:

restoring my 1974 Saab Sonett III sports car playing classical violin (former member, Wright State Community Orchestra) fiddling

Sporting Activities:

running in the woods speed-skating on wheels cross-country skiing, snow-shoeing, downhill skiing and snow-boarding with my

children playing ice hockey

Community Activities:

President, Watts Middle School PTO, Centerville, OH, 1991-1992 coach for numerous youth soccer and hockey teams 1991-2000 Faculty Advisor, KU Hockey Club 1992-2008 Coach for Lawrence Free State High School Ice Hockey Team 1998-2002

Awards:

Kansas City Metro Area High School Hockey League Coach of the Year 2001-2002

Inducted into O’Fallon Township High School Walk of Fame, O’Fallon, Illinois, February 2012

25

teaching and research focus · web view“free vibration analysis with beam models which include...

Documents