Fracture Mechanics and Crack Propagation Expert Consultant Resume

• Aeronautics
• Materials Science
• Defense
• Medical

This expert has a Ph.D. and M.S. in Aeronautics from the California Institute of Technology.

This expert received a D.M.I.T. in Aeronautics Engineering from Madras Institute of Technology.

This expert has a B.Sc. in Physics from St. Joseph's College, Bangalore University

Fracture Mechanics and Crack Propagation Expert Consultant Resume

This expert specializes in aerospace materials, advanced strength of materials, advanced mechanics of materials, and advanced fracture mechanics. Further expertise includes biomechanics, experimental methods in solid mechanics, experimental methods in mechanical engineering, and nondestructive evaluation. Other areas of expertise are measurements and instrumentation, mechanics of materials, dynamics, and materials science. Furthermore are mathematical theory of plasticity, mechanics, vibrations laboratory, and response of materials to impulsive loading.

This consultant's areas of expertise include solid mechanics, statics, theory of elasticity, and wave propagation. Other areas are elastic stress distribution at a crack front using scattered light photoelasticity, experimental investigation into interface fracture, constitutive behavior of polycarbonate, and mixed-mode fracture. This expert also specializes in mechanics and mechanisms of fracture in polymeric materials, scattered light photoelastic investigation of three-dimensional stress fields, necking and necking induced molecular orientation on mechanical and fracture behavior of polycarbonate.

Additional experience includes numerical simulation of transient crack growth experiments, mechanical characterization of high temperature superconductors, and brazing of metal-ceramic joints. Other experience includes dynamic crack tip stress field, three dimensionality of crack tip stress fields, ambient uniaxial and biaxial viscoplastic behavior of inconel 718, and superconducting wires. This expert also has experience with nondestructive investigation of the thermal stresses in metal matrix composites using ultrasonic velocity measurements, dynamic mixed-mode fracture, buckling of filament wound tanks under external pressure, and microstructural refinement. Other knowledge and skills this expert has include high strain rate compressive behavior of polycarbonate, confined compression, superconductor precursor nano-particles by infrared spray pyrolysis, and mechanical response of aortic stent.

Other areas of expertise and specialization include dynamic characterization of ni ti shape memory alloy, mechanical behavior of helicoidal composite, viscoelastic materials characterization under multiaxial loading, and mechanical behavior of metals subjected to thermal loading by short duration current pulses. Further specialties include the dynamics of phase transformations, elastic plastic fracture mechanics, deformation localization problems under quasi-static, and dynamic loading. Other areas of emphasis are boundary element methodology for crack path prediction in brittle and quasi-brittle materials incorporating a cohesive zone model.

This associate has expertise in areas related to seeded infiltration and growth, detection of transverse cracking in a hybrid composite laminate using acoustic emission, mesoscale friction tester, and exploring friction at length scales intermediate to atomic force microscopes and macroscale devices. This expert has experience with generating high strain rate loading on materials and structures, drop weight tower, split-Hopkinson pressure and tension apparatus. Further emphasis includes electromagnetic loading stress-wave generator, high speed camera for imaging events at 200,000 frames per second, and high speed digital image acquisition capable of 2 million frames per second.

PROPOSAL AND PAPER REVIEW

Air Force Office of Scientific Research

AIAA Journal

AIAA - Journal of Spacecraft and Rockets

American Ceramic Society

American Society for Testing and Materials (ASTM)

American Chemical Society - Petroleum Research Fund

Army Research Office

Austrian Science Fund

Europhysics Letters

Experimental Mechanics

International Gas Turbine Institute

International Journal of Computational and Engineering Sciences

International Journal for Numerical Methods in Engineering

International Journal of Fracture

International Journal of Solids and Structures

Israel Science Foundation

Journal of Adhesion

Journal of Applied Mechanics (ASME)

Journal of Applied Physics

Journal of Cold Regions Engineering (ASCE)

Journal of Engineering Materials and Technology (ASME)

Journal of the Mechanics and Physics of Solids

Journal of Plasticity

Journal of Polymer Science Physics Edition

J.R. Rice Anniversary Volume

McGraw Hill Publishers

Mathematics and Mechanics of Solids

Mechanics of Advanced Materials and Structures

Mechanics of Materials

Mechanics of Time Dependent Materials

National Aeronautics and Space Administration

National Science Foundation (Division of Civil and Mechanical Systems, Mechanics and Materials Program, Division of Materials Research: Ceramics Program Metals Program, SBIR Program Electronic Packaging, Division of International Programs)

Optics and Lasers in Engineering

South Carolina EPSCoR Program

US-Israel Binational Science Foundation

US Department of State

GRANTS AND CONTRACTS

An experimental facility for fracture mechanics

Quasi-static experiments on branched cracks, Research Initiation Grant

Stable Crack Growth

Dynamic fracture under mixed mode loading

Stress field near a crack tip: An experimental study of the three dimensional variation

Superconducting ceramics and their composites

Ceramic to Metal Joining

Mechanical Behavior of Polycarbonate

Superconducting ceramics and bulk applications

Fracture of Ice

Directional solidification of YBCO wires

Fracture of solid propellants

Fracture characterization in inelastic polymers

High Tc wires for current lead applications

Fracture of solid propellants

Nondestructive measurement of impact toughness of aircraft windshields

Mixed-mode fracture in solid propellants

Development of nanoscale grains for extrusion processing of YBCO wires

Development of small grains for bulk processing of YBCO and BSCCO wires

Modeling of fracture and fragmentation, UH Energy Laboratory

Development of small grains for bulk processing of YBCO and BSCCO wires

Strain rate dependence of mixed-mode fracture of solid propellants

Temperature dependence of mixed-mode fracture of solid propellants

Development of small grains for bulk processing of YBCO and BSCCO wires

Shear banding and shear failure in polycarbonate

Development of enabling technologies for reconfigurable uninhabited air vehicles

Acquisition of surface-characterizing equipment, DURIP program

Development of small grains for bulk processing of YBCO and BSCCO wires

A fundamental investigation into the deformation and failure behavior of heterogeneous materials with the aim of developing design guidelines

Near-net shape fabrication of high current density YBCO slabs

Dynamic behavior and shock absorption properties of shape memory alloys

Acquisition of apparatus for multiaxial experiments in composites

Inelastic behavior of polymers under multiaxial compression

Three dimensional visualization of damage in cellular solids and composites.

Growth of three dimensional cracks

Mechanical behavior of metals subjected to short duration heat pulses

Mechanical behavior of metals subjected to short duration heat pulses

Mesoscale friction in the presence of electric currents

Collaborative Research: Physics based modeling and simulation of post-mastectomy breast reconstruction

Experimental characterization of the nonlinear viscoelastic and adhesive properties of elastomers

Mechanical behavior of metals subjected to short duration heat pulses

Design optimization and characterization of helicoidal composites with enhanced impact resistance

Acquisition of apparatus for characterization of dynamic failure in composites

Mechanics of impact resistant polymer coatings

CONSULTING ACTIVITIES

Reliability analysis of a float-zone furnace for space flight rating

stress analysis of the mvi-1g training chair

Lifetime assessment of hot-section pipes

Pressure testing of storm shutters and blinds

Design of a pipe storage/transportation system for gas

Evaluation of cured-in-place piping

Thermal fatigue cracking in coatings

Failure investigation of an automobile wheel.

Failure analysis of an aluminum ladder

Headbolt failure investigation

Shear strength of pultruded composite I-Beams

Evaluation of the mechanical response of stents for vascular applications

Impact strength of tungsten carbide tool bit materials