Edward Kral, Ph.D.
PROFESSIONAL SUMMARY
Results-driven Senior Mechanical Engineer with expertise in computer-aided
design, numerical simulation, high performance computing, and computing systems.
Experience with several finite element and design packages, programming, and
reliability and data mining. Experienced with taking projects from concept to
results on schedule. Have excellent communication and writing skills. Speak
beginning level of Japanese.
PROFESSIONAL EXPERIENCE
Hitachi Global Storage Technologies / IBM Corp, San Jose, California, 1997-2008
Senior Engineer, 1999-2008
Advisory Engineer, 1997-1999
Performed data analysis, mechanical simulation, physical testing, and test code
development related to hard disk drive technology and design.
Major projects in simulation, analysis, and programming included:
• Reliability analysis of disk drives and components. Data mining on
drive log data from the field. Data Mining Worldwide Initiative
Team Leader for San Jose.
• Airflow simulations to characterize material parameters of filters
and particulate disbursement in drives.
• System integration and administration of Linux clusters for airflow
simulations and data mining.
• Simulation of shock response of disk drive components using ANSYS.
• Development and maintenance of disk drive accelerated test code (C++).
• Simulation and analysis of rough surface contact at the head-disk
interface.
Major projects in hardware testing included:
• Testing of lubricant pickup on the slider at the head-disk interface
during flying.
• Testing of prototype disk drives for contact start/stop and
load/unload reliability, including statistical analysis of lifetime
expectancy.
IBM Corp, San Jose, California, 1996-1997
Project Manager, Scientific and Technical Systems and Solutions
Served as on-site computational applications specialist at the Lawrence
Livermore National Laboratory (LLNL) in Livermore, CA. Provided technical
computing expertise for large engineering and physics codes on the 512-node
IBM Scalable Parallel (SP) computer at LLNL as part of the Department of
Energy’s Accelerated Strategic Computing Initiative (ASCI).
IBM Corp, San Jose, California, 1994-1996
Project Manager for Engineering Solutions,
Scientific and Technical Systems and Solutions
Provided engineering and scientific support for RS/6000 workstations and SP
parallel computing systems. Enabled and optimized engineering applications
and provided expertise in engineering applications, scalable parallel
technologies, and high-performance computing to IBM customers (both end users
and third-party software vendors).
University of California at Berkeley, Berkeley, California, 1993-1994
Postdoctoral Researcher, Computer Mechanics Laboratory
Modeled contact at the head-disk interface in hard disk drives. Incorporated
the roughness of each surface into a fractal model of surface topography and
developed a fractal description of three-dimensional surfaces. Performed finite
element contact simulations of these surfaces and established load criteria for
prevention of wear at the contact interface.
Dynamics Technology Inc., Torrance, California, 1983-1986
(acquired by Applied Signal Technologies, Inc. in 2005)
Research Engineer
Designed and tested mechanical components for an undersea internal wave sensor
and prototype fiber optic sensors. Modified a two-dimensional finite difference
Navier-Stokes code to investigate the forces on a sediment particle in the viscous
sublayer of a turbulent boundary layer.
EDUCATION
University of California at Berkeley, Ph.D. in Mechanical Engineering, 1993
Major field: Solid Mechanics
Minor fields: Materials Science and Applied Mathematics
Research Advisors: Profs. Kyriakos Komvopoulos and David B. Bogy
Harvey Mudd College, Master of Engineering, 1983
Harvey Mudd College, Bachelor of Science in Engineering, 1982
COMPUTER AND TECHNICAL SKILLS
Programming Languages: FORTRAN and C++
Data Mining Packages: Clementine
Finite element packages: ANSYS, I-DEAS, MARC, and ABAQUS
CFD packages: CFD-ACE
Other: MatLab
Operating Systems: AIX, Linux (primarily Red Hat), Windows
SELECTED PUBLICATIONS AND PRESENTATIONS (Complete list available)
“Surface Characterization and Micromechanics Contact Simulations for Magnetic Head-Disk Interfaces,” presented at the First World Tribology Congress, September, 1997, London, U.K.
"Three-Dimensional Finite Element Analysis of Subsurface Stress and Strain Fields Due to Sliding Contact on an Elastic-Plastic Layered Medium," with K. Komvopoulos, ASME Journal of Tribology, Vol. 119, No. 2, 1997, pp. 332-341.
"Three-Dimensional Finite Element Analysis of Subsurface Stresses and Shakedown Due to Repeated Sliding on a Layered Medium," with K. Komvopoulos, ASME Journal of Applied Mechanics, Vol. 63, No. 4, 1996, pp. 967-973.
"Three-Dimensional Finite Element Analysis of Surface Deformation and Stresses in an Elastic-Plastic Layered Medium Subjected to Indentation and Sliding Contact Loading," with K. Komvopoulos, ASME Journal of Applied Mechanics, Vol. 63, No. 2, 1996, pp. 365-375.
"Finite Element Analysis of Repeated Indentation of an Elastic-Plastic Layered Medium by a Rigid Sphere: Part I--Surface Results," with K. Komvopoulos and D. B. Bogy, ASME Journal of Applied Mechanics, Vol. 62, No. 1, 1995, pp. 29-42.
REFERENCES
Available upon request (I don't want to expose their addresses/phone numbers on this web site)