R. Leonard Myatt

Education

9/80 – 9/81 Virginia Polytechnic Institute and State University, MS in Mechanical Eng.
9/75 – 6/79 Virginia Polytechnic Institute and State University, BS in Mechanical Eng. (Cum Laude)

Employment History

08/99 – present Myatt Consulting, Inc., Norfolk, MA (President & CEO)

Numerous fusion and HEP projects: ORNL (NCSX, ITER), PPPL (NCSX, NSTX), MIT/PSFC (SSC, Heavy-Ion Fusion, Proton Radiography) and extensive commercial industry projects (see website for client list).

01/98 – 07/99 MTECHNOLOGY, Wayland, MA (Sr. Mechanical Engineer)

Design of linear synchronous motors applied to maglev train and mining material transport

10/81 – 12/97 Stone & Webster Engineering Corp., Boston, MA (Sr. Principal Mechanical Engineer)
1981 – 1987 Analysis and qualification of ASME Class I Nuclear power piping and equipment
1988 – 1998 On-site at MIT/PSFC working on various fusion engineering studies: CIT/BPX/TPX/C-Mod/ITER
07/79 – 08/80 General Electric Aircraft Engine Group, Lynn, MA (Engineer Development Program)

Expertise

Finite element modeling, analysis, design evaluation, optimization and technical report writing. Particular expertise in superconducting, normally conducting & permanent magnet systems. SC magnet experience in fusion and medical devices, and high-energy physics. Normally-conducting magnet experience in large-scale motors/generators, mid-size DC magnets for semiconductor industry. EM shielding of electronics and people. Substantial structural analysis experience in nuclear power generation.

Highlights

  1. Thermal-structural-electro-mechanical engineer since 1981, specializing in FEM using ANSYS.
  2. Successful engineering consulting business servicing a diverse range of industries since 1999.
  3. Participated heavily in ITER-EDA (mid-'90s) and US/ITER-CS (2008 – present).
  4. Committed to excellence in the simulation of many engineering applications requiring thoughtful, precise, complex, multi-physics models often related to electromagnets.
  5. Primary analyst for start-up (Mevion) contributed substantially to analysis and qualification of a SC proton therapy cyclotron; field-shaping and support of DC magnet, cold-mass support and thermal isolation, vacuum vessel, beam extraction magnetics, room and electronics shielding, gantry structure.
  6. 11 years at the MIT PSFC, performing FEA of fusion & HEP electromagnets and related structures.
  7. Primary or co-inventor with a few patents.
  8. Author of >25 papers on magnet engineering and field computations; MT, SOFE, ASC, PAC, Compumag.
  9. Author of various project standards, design criteria and analysis memos.
  10. ANSYS EMag course instructor, 1996 – 2006.

Professional Affiliations

1997 IEEE member
1985 Registered Professional Mechanical Engineer, Massachusetts

Personal

Married with two children, active member and deacon chair of local protestant church. Other interests include family & friends, travel, golf and living by faith.

R. Leonard Myatt Partial Publications List

  • L. Bromberg, L. Myatt, et al., “Internal Quench of Superconducting Magnets by the Use of AC Fields,” Applied Superconductivity, IEEE Transactions, Vol. 22, Issue: 3, 2012.
  • R.L. Myatt, K.D. Freudenberg, “ITER CS intermodule support structure,” IEEE 24th Symp. Fusion Engineering, 2011.
  • K. Freudenberg, L. Myatt, “ITER Central Solenoid Support Structure Analysis,” IEEE 24th Symp. Fusion Engineering, 2011.
  • M. Kalish, L. Myatt, et al., “NCSX Toroidal Field Coil Design,” IEEE/NPSS 21st Symp. Fusion Engineering, 2005.
  • R. Meinke, L. Myatt et al., “Multi-cylinder quadrupoles with square cross section,” Particle Accelerator Conference proceedings, Vol. 5, 2001.
  • J. Schultz, L. Myatt, et al., “Superconducting magnets for Maglifter launch assist sleds,” IEEE Trans. Applied Superconductivity, Vol. 11, 2001.
  • Lietzke, L. Myatt, et. al, “Development of superconducting quadrupoles for heavy ion fusion,” Proceedings of the Particle Accelerator Conference, Vol. 5, 2001.
  • J. Schultz, L. Myatt, et al., “The KSTAR superconducting magnet system,” 17th IEEE Symp. Fusion Engineering, 1997.
  • J. Sorci, L. Myatt, et al., “Halo current measurements on Alcator C-Mod,” 16th IEEE Symp. Fusion Engineering, Vol. 1, 1995.
  • A. Zhukovsky, L. Myatt, et al., “Design and fabrication of the cryostat for the floating coil of the Levitated Dipole Experiment (LDX),” IEEE Trans. Applied Superconductivity, Vol. 10, Issue 1, 2000.
  • P. S. Litherland, K. D. Freudenberg and R. Leonard Myatt, “ITER Central Solenoid Alternate Pre-compression Structure - Concept and Analysis,” IEEE 17th Symp. on Fusion Eng., San Diego, May 2009.
  • K. D. Freudenberg, L. Myatt, et al., “Performance Evaluation and Analysis of Critical Interface Features of the National Compact Stellarator Experiment (NCSX),” presented at the IEEE/NPSS 17th Symp. on Fusion Eng., San Diego, May 2009.
  • L. Myatt and Peter H. Titus, “3D, Coupled Electromagnetic, Thermal, Current Diffusion in the Finger Joints of the Alcator C-Mod Toroidal Field Coils,” IEEE/NPSS 17th Symp. on Fusion Eng., San Diego, October 1997.
  • R. Myatt & P. Titus, “3D, Coupled Electromagnetic, Thermal, Current Diffusion in the Finger Joints of the Alcator C-Mod Toroidal Field Coils,” 17th IEEE/NPSS Symp. Fusion Engineering, Vol. 2, 1997.
  • L. Myatt and R.D. Pillsbury, Jr., “DC Resistance and Eddy Current Losses in the ITER Conductor Joint,” IEEE Trans. Applied Superconductivity, Vol. 5, No. 2, June 1995.
  • L. Myatt, “3-D Stress Analysis of the TPX Toroidal Field Coil Support Structure,” IEEE Trans. Applied Superconductivity, Vol. 5, No. 2, June 1995.
  • R. Leonard Myatt, “Structural Characteristics of the TPX CICC-Based TF Coil Winding Pack, “IEEE Trans. Applied Superconductivity, Vol. 5, No. 2, June 1995.
  • L. Myatt, A. L. Radovinsky and R. D. Pillsbury, Jr., “Thermal Analysis of the TPX TF Coil Case for Eddy Current and Neutron Heating,” IEEE Trans. Applied Superconductivity, Vol. 5, No. 2, June 1995.
  • L. Myatt, “Finite Element Analysis of the TPX Toroidal Field Coil System,” IEEE Trans. Magnetics, Vol. 30, No. 4, July 1994.
  • R. Leonard Myatt, R. D. Pillsbury, and B. A. Smith, “Electromagnetic Analyses of the GEM Detector Magnet System for SSC,” 9th Conference on the Computation of Electromagnetic Fields, Miami, FL, 1993.
  • R. Leonard Myatt and P. G. Marston, “Coupled Electromagnetic Structural Analysis of a DC Magnet for a MHD Power Generator,” 9th Conference on the Computation of Electromagnetic Fields, Miami, FL, 1993.
  • Alexi L. Radovinsky, R. Leonard Myatt, et al., “Eddy Current Heating in the Cold Structure in TPX,” 9th Conference on the Computation of Electromagnetic Fields, Miami, FL, 1993.
  • H. Becker and R. Leonard Myatt, “Structural Behavior of Coaxes in Transverse Magnetic Fields,” IEEE 15th Symp. Fusion Engineering, 1993.
  • R. Leonard Myatt, “Detailed Structural Evaluation of the TPX Toroidal Field Magnet Nose Region,” IEEE 15th Symp. Fusion Engineering, 1993.
  • R. Leonard Myatt, “Axisymmetric Structural Simulation of the Central Solenoid for the Burning Plasma Experiment (BPX),” IEEE 14th Symp. Fusion Engineering, Vol. 1, 1991.
  • R. Thome, L. Myatt, et. al, “Design and R&D for the central solenoid for the Compact Ignition Tokamak (CIT),” IEEE 13th Symp. Fusion Engineering, 1989.

Kenneth P. Gall, Ph.D.

Education

1989 Ph.D. – Boston University, Nuclear / Particle Physics
1984 M.S. – Boston University, Physics
1981 A.B. – Colby College, Physics

Employment History

2013 – Present KPG Consulting (Principal)
2004 – 2012 Still River Systems / Mevion Medical (Founder and CTO)
1996 – 2003 Univ. of Texas Southwestern Med. Ctr. (Director of Physics)
1988 – 1996 Mass General Hospital / Harvard Medical School (Physicist)

Expertise

Technical project management, device design, project documentation and organization.

Experience with superconducting magnets, high energy particle accelerators, large mechanical structures, high power RF, vacuum systems. Writing of specifications, test protocols, personnel management, technical reviews of the above. Highlights include:

  • Program manager for superconducting synchrocyclotron design / build / test. Including all sub-systems (10 T Nb3Sn magnet, cryogenics, RF, ion source, radiation delivery systems, mechanical support structures).
  • Authored, edited and/or approved all scope of work, project team organization, specifications, test protocols, test procedures for a ~$50M program (particle accelerator, medical device).
  • Consulting to multiple clients. Performing technical reviews, grant proposal writing, patent prosecution, project management .

Professional Affiliations

  • American Physical Society , American Associate of Physicists in Medicine

Publications

  • Dr. Gall has authored over 50 peer reviewed journal articles and has published over a dozen issued US patents (as well as foreign counterparts).

Personal

  • Dr. Gall is a commercial instrument rated pilot with land and sea privileges. In his spare time he enjoys skiing, sailing and golf. He is also an avid practitioner of Hatha Yoga.

References

Available upon request.


Kristine Bergeron Cochran, Ph.D.

Education

University of Illinois at Urbana-Champaign

PhD, Civil Engineering, May 2009
Dissertation title: “Numerical Modeling Issues in Finite Element Simulation of Plasticity Induced Crack Closure with an Emphasis on Material Model Effects”
Dissertation advisors: Keith D. Hjelmstad and Robert H. Dodds, Jr.

MS, Civil Engineering, December 2001

Johns Hopkins University, Baltimore, MD

BS, Civil Engineering, May 2000
Departmental and general honors

Research and Consulting Experience

Engineering Consultant, Pleasantville & Valhalla NY (June 2011 to present)

US ITER (April 2013-ongoing, through Myatt Consulting, Inc.)
Fatigue crack growth assessment and technical report writing for structural evaluation of the central solenoid super-conducting magnet system for ITER, a large-scale research-based fusion reactor.

High-Temperature Creep-Fatigue Modeling (October 2014-ongoing, for ORNL)
Micro-mechanical modeling of high-temperature creep in Grade 91 steel. Material model development and finite element simulations.

Project DISFRAC (June 2011 to February 2013, for ORNL)
Continuation of work for Oak Ridge National Laboratory (described below). Developed and documented DISFRAC 2.0; software for fracture toughness prediction based on tensile properties and microstructural features of ferritic steel.

Engineering Researcher, Oak Ridge National Laboratory, TN (Apr. 2010 to May 2011)

Lead developer on a computational tool (DISFRAC) to predict fracture toughness of reactor pressure vessel steels, based on underlying physics of deformation and fracture. Work combined dislocation mechanics, continuum mechanics, dynamic fracture mechanics, probabilistic simulation techniques, FORTRAN coding, software engineering, parallel computing, and finite element analysis.

Graduate Research Assistant, University of Illinois at Urbana-Champaign

Analyzed plasticity-induced fatigue crack closure via the finite element analysis and developed methods for improving accuracy and confidence in numerical results. Implemented nonlinear plasticity material models in finite element code (WARP3D), emphasizing error control and efficiency.

Department of Energy Fellow, Sandia National Laboratory, New Mexico (Summer 2003) Calibrated and compared equation-of-state material models in large deformation shock physics code.

Undergraduate Research Assistant, Johns Hopkins University, Baltimore, MD (1999-2000) Performed experiments and finite element analyses on carbon fiber rebar bond strengths. Undergraduate research assistant, Virginia Tech, Blacksburg, VA (Summer 1998) Studied high performance polymers for structural composites as part of an NSF Summer Undergraduate Research Program (SURP).

Teaching Experience

Adjunct Assistant Professor Spring 2014
Mathematics Department, Manhattan College
Calculus II

Visiting Assistant Profesor Fall 09
Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign
Structural Engineering

Teaching Assistant Fall 00, Spring 01, Spring 07
Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign
Structural Engineering

Teaching Assistant Fall 06, Fall 07
College of Engineering and Math Department, University of Illinois at Urbana-Champaign
Calculus II

Professional Experience and Licensure

Structural Engineer Associate 5/2009 to 4/2010
Wiss, Janney, Elstner Associates, Northbrook, IL

Structural Engineering Intern 1/2000 to 8/2000
URS Corporation, Hunt Valley, Maryland

Professional Engineer Intern (EIT)
State of Illinois license no. 061-032386

Publications

  • Erickson, M, K. B. Cochran, P. T. Williams, and B. R. Bass, “The Role of Grain Size in Predicting Cleavage Fracture Toughness of Pressure Vessel Steels,” Proc. ASME 2013 PVP, Paris, France, 14- 18 July 2013.
  • Cochran, K. B., M. Erickson, P. T. Williams, H. B. Klasky, and B. R. Bass, “A Dislocation-Based Cleavage Initiation Model for Pressure Vessel Steels,” Proc. ASME 2012 PVP, Toronto Canada, 15- 19 July 2012.
  • Cochran, K.B., R. H. Dodds, and K. D. Hjelmstad. “The Role of Strain Ratcheting and Mesh Refinement in Finite Element Analyses of Plasticity Induced Crack Closure.” International Journal of Fatigue. doi:10.1016/j.ijfatigue.2011.03.005, 2011.
  • Cochran K.B. Numerical Modeling Issues in Finite Element Simulation of Plasticity Induced Crack Closure with an Emphasis on Material Model Effects. PhD thesis, University of Illinois at Urbana- Champaign; 2009.
  • Malvar, L.J., J.V. Cox, and K.B. Cochran. “Bond Between Carbon Fiber Reinforced Polymer Bars and Concrete I: Experimental Study.” Journal of Composites for Construction, 7(2):154-163, 2003.
  • Cox, J.V., and K.B. Cochran. “Bond Between Carbon Fiber Reinforced Polymer Bars and Concrete II: Computational Modeling.” Journal of Composites for Construction, 7(2):164-171, 2003.
  • Cox, J.V., K. Bergeron, L.J. Malvar, “A Combined Experimental and Numerical Study of the Bond between Lightweight Concrete and CFRP Bars.” Sessions on Interface Degradation, 14th ASCE Engineering Mechanics Conference, The University of Texas at Austin, 21-24 May 2000.
  • Tyberg, C.S., K. Bergeron, M. Sankarapandian, P. Shih, A.C. Loos, D.A. Dillard, J.E. McGrath, J.S. Riffle, U. Sorathia, “Structure-Property Relationships of Void-Free Phenolic-Epoxy Matrix Materials.” Polymer. 41(13): 5053-5062, 2000.
  • Tyberg, C.S., S.L. Lin, K. Bergeron, M. Sankarapandian, P. Shih, A.C. Loos, J.E. McGrath, J.S. Riffle, U. Sorathia, “Tough, Void-Free Flame Retardant Phenolic Composites: Processability and Properties.” International SAMPE Symposium & Exhibition. 44(I):1206-1216, 1999.

Honors and Awards

Spring 2007 Named to the list of instructors ranked as excellent by students
2002 – 2006 Department of Energy Computational Science Graduate Fellowship (CSGF)
2005 Department of Energy CSGF Essay Contest Honorable Mention
2000 – 2001 Karol Fellowship (University of Illinois)
2002 NASA Graduate Student Researchers Program Fellowship (declined)
May 2000 Outstanding Achievement by a Senior in Civil Engineering
1996 – 1999 Karl F. Steinmueller Scholarship (Johns Hopkins)
1999 American Concrete Institute Student Award (Maryland Chapter)