Curriculum Vitae


David M. Hallman, M.S., P.E.

ASE Certified Master Technician
CFEI, CVFI
Forensic Engineering Consultant


Employment History

  • Forensic Mechanical Engineer/ Forensic Materials Engineer, Hallman Engineering LLC, Maple Grove, MN, 2012 - Present
    • Forensic Engineering Consultant
  • Mechanical Design Engineer, MTS Systems, Eden Prairie, MN, 2012 - 2013
  • Forensic Materials Engineer / Forensic Mechanical Engineer, Crane Engineering, Plymouth, MN, 2009 - 2012
    • Forensic Engineering Consultant
    • Specialized in determining the root cause of mechanical system failures including water losses (including sprinkler systems), product liability issues, vehicle crashes, vehicle fire origin and cause and other vehicle mechanical investigations
  • Senior Mechanical Structural Design Engineer, BAE Systems, Minneapolis, MN, 2008-2009
    • Lead engineer on the structural design of the FCS turret structure
  • Mechanical Design Engineer, MTS Systems, Eden Prairie, MN, 2006-2008
    • Lead Mechanical Engineer in the areas of tire and wheel test systems and kinematic and compliance test systems
  • Technical Aide, 3M, St. Paul, MN, 2003-2004
    • Worked in the area of polymer research and development in a melt process group
  • Automotive Technician, Various independent shops and dealerships, Minnesota, 1991-2001

Professional Licenses / Certifications
  • Licensed Professional Engineer – Minnesota License 48027
  • Licensed Professional Engineer - Illinois License 062.068403
  • Licensed Professional Engineer - Iowa License 23448
  • Licensed Professional Engineer - North Dakota License PE-10574
  • Licensed Professional Engineer - South Dakota License 12959
  • Licensed Professional Engineer - Wisconsin License 44866-6
  • Automotive Service Excellence, Certified as Master Automobile Technician, 2000-2005, 2010-2015
  • Crash Data Retrieval (CDR) Technician Level 2 Certification
  • Crash Data Retrieval (CDR) Certified Trainer Mentor Certification
  • National Association of Fire Investigators Certified Fire and Explosion Investigator
  • National Association of Fire Investigators Certified Vehicle Fire Investigator

 

Professional Affiliations
  • National Association of Fire Investigators (NAFI)
  • Society of Automotive Engineers International (SAE)
  • Accident Reconstruction Network (ARC Network)
  • Minnesota Society of Professional Engineers (MSPE)
  • National Society of Professional Engineers (NSPE)
  • Midwest Association of Technical Accident Investigators (MwATAI)
  • Southwest Association of Technical Accident Investigators (SATAI)
  • National Association of Professional Accident Reconstructionists (NAPARS)
  • ASTM International - E58 Committee
  • International Association of Arson Investigators (IAAI) - Minnesota Chapter

 

Patents
  • U.S. Patent: M93-485 Flat Belt Roadway Simulator with Steer and/or Camber Adjustment and Method for Ascertaining Rolling Loss, 2008


Education
  • Master of Science in Materials Science and Engineering, University of MN, Minneapolis, MN.
  • Bachelor of Science in Mechanical Engineering, Minor in Mathematics, (Magna Cum Laude) University of St. Thomas, St. Paul, MN.
  • Diploma in Automotive Repair (2 year program), Anoka Hennepin Technical College, Anoka, MN.

 

Continuing Studies
  • “2016 SATAI Fall Conference”, SATAI, Phoenix, AZ, October 6-8, 2016.
  • 2016 ISFI Fire Investigation Conference, Scottsdale, AZ. September 12-14, 2016
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, Nev., May 23-26, 2016
  • 2016 MN IAAI Fire Investigation Conference
  • "Forensic Engineering: Railroad Accident Reconstruction" MnSPE Seminar, March 16, 2016
  • "CDR Summit", ARC-CSI, Houston, TX, January 25 - 27, 2016
  • “2015 SATAI Fall Conference”, SATAI, Phoenix, AZ, September 10-12, 2015.
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, Nev., June 1-4, 2015
  • "CDR Summit", ARC-CSI, Houston, TX, January 26 - 28, 2015
  • "MATAI Annual Meeting and Training Seminar", Saint Paul, MN, June 10-13, 2014
  • “2014 SATAI Fall Conference”, SATAI, Phoenix, AZ, September 25-27, 2014.
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, Nev., June 2-5, 2014
  • "CDR Summit", ARC-CSI, Houston, TX, January 27 - 29, 2014
  • “2013 SATAI Fall Conference”, SATAI, Phoenix, AZ, September 27-28, 2013.
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, Nev., May 10-16, 2013
  • 2013 MN IAAI Fire Conference
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, Nev., June 4-7, 2012
  • “ARC-CSI Crash Data Retrieval User’s Summit”, ARC-CSI, Houston, Texas, January 16-18, 2012
  • National Association of Fire Investigators, “Vehicle Fire, Arson & Explosion Investigation Science & Technology Seminar”, Lexington, Ky., September, 2011
  • IAAI “Burn to Learn Seminar”, IAAI, Sisseton, S.D., June 28-29, 2011
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, NV, May 23-26, 2011
  • “ARC-CSI Crash Team Boot Camp”, ARC-CSI, Las Vegas NV, May 22-26, 2011
  • Advanced Traffic Crash Reconstruction, HVE-CSI, IPTM, Jacksonville FL, April 25-29, 2011
  • CSI Crash Data Retrieval (CDR) Specialist, Technician Level 2, Las Vegas, NV, May 26, 2011
  • At-Scene Traffic Crash / Traffic Homicide Investigation, IPTM online course (80 hours)
  • ASM Failure Analysis Seminar, ASM, Brooklyn Park, MN February 23, 2011
  • 2011 MN IAAI Fire Conference (entire conference)
  • “ARC-CSI Crash Data Retrieval User’s Summit”, ARC-CSI, Houston, TX, January 17-19, 2011
  • “ARC-CSI Crash Conference”, ARC-CSI, Las Vegas, NV, May 24-27, 2010
  • “NFPA Fire and Explosion Investigations (NFPA 921)”, NFPA, Boston, MA, April 19-20, 2010
  • “Forensic Engineering: Engineers as Expert Witnesses”, MSPE, University of Minnesota, April 8, 2010
  • Public Agency Training Council, National Criminal Justice, "Vehicle Fire Investigation", Loveland, Colo., March 15-17, 2010
  • EAG Working Smarter Seminar, EAG, Chanhassan, MN October 6, 2009

 

Publications
  • “Evaluation of the MIDE Slam Stick X as a Low-Cost Accelerometer...”, Collision Magazine, Volume 11, Issue 2, 2016
  • “Vehicle Battery Cable Arcing v. Melting Analysis”, 2016 ISFI Proceedings, September 2016
  • “Wheel Slip and Its Effect on Reported Vehicle Speed”, Collision Magazine, Volume 9, Issue 2, December 2014
  • "What Your Expert Needs for Successful Case Resolution", NASP Subrogator Magazine, Spring / Summer 2014
  • “Differentiating Potentially Causal Pre-Crash Component Damage from Crash Damage”, Collision Magazine, Volume 8, Issue 2, December 2013
  • “Crash Team Boot Camp & Data Review”, Collision Magazine, Volume 6, Issue 2, January 2012
  • “Thickness Effects on the Plasticity of Gold Films”, Chemical Engineering and Materials Science Department, University of Minnesota, Minneapolis, MN., January 2007
  • “Plasticity Responses in Ultra-Small Confined Cubes and Films”, Chemical Engineering and Materials Science Department, University of Minnesota, Minneapolis, MN., May 2006

Presentations

  • “Mechanical Forensic Engineering”, Half Moon Education Seminar, Minneapolis MN, September 22, 2016
  • “Vehicle Battery Cable Arcing v. Melting Analysis”, 2016 ISFI Conference, Scottsdale AZ, September 12-14, 2016
  • “Crash Data and Vehicle Mechanical Failures: What are you missing?”, 2015 MAJ Seminar, Minneapolis, MN, February 5, 2015.
  • “Crashes and Vehicle Mechanical Failure, Are You Missing Subro Opportunities?”,2014 NASP Fall Conference, November 11, 2014.
  • “Wheel Slip and Its Effect on Reported Vehicle Speed”, 2014 ARC-CSI Crash Conference, June 4, 2014.
  • “Unique Features of Toyota Gen3 Data”, 2014 ARC-CSI CDR Summit, January 28, 2014
  • “Differentiating Potentially Causal Pre-Crash Component Damage from Crash Damage”, 2013 ARC-CSI Crash Conference, May 15, 2013
  • “What’s New in Vehicles and Crash Investigation”, Crane Engineering Seminar, Minneapolis, Minn., October 19, 2011
  • “Vehicles and Crash Investigation”, MDLA Lunch and Learn Presentation, Minneapolis, Minn. October 5, 2011
  • “ARC-CSI Crash Team Boot Camp” Data Collection and Team Presentation, ARC-CSI Crash Conference, Las Vegas NV, May 22-26, 2011

Research

  • May 22-23 2011 - Planned and executed an instrumented vehicle crash between a Crown Victoria and a simulated left turning Hyundai Excel with a team. Crown Victoria was driven by an instrumented human volunteer. Results were presented at the 2011 ARC-CSI conference.

  • June 28-29, 2011 – Planned and executed a vehicle fire in a garage. A Chevrolet Astro van and a Pontiac Grand Prix were placed in a garage and a fire was started under the hood of the Grand Prix. The fire was video recorded and pre-fire condition was documented. A post fire investigation was then carried out.

  • March 16, 2012 – Assisted IAAI MN with a house burn in Coon Rapids, MN set up to train fire investigators. Set fire to one room using a flare at the base of a foam couch. The flare residue was not detected by the investigators.

  • June 2-3, 2012 - Participated in crash tests with instrumented human volunteers. These crashes included frontal and rear-end impacts between a Jeep Grand Cherokee and a Chrysler Town & Country, and a broadside between a Ford Contour and a Ford Crown Victoria with instrumented anthropomorphic dummies. The data from these crashes was presented at the 2012 ARC-CSI crash conference.
  • June 4, 2012 – Performed and participated in crash tests with instrumented human volunteers and anthropomorphic dummies including:
    • Remote driven Gran Prix striking a E350 ambulance in an angled broadside
    • Chrysler Town & Country with a remote air out striking a Ford Aspire in an offset rear-end and a Toyota Corolla in a broadside
    • Ford Crown Victoria and a Saturn SL2 in a glancing high speed high angle broadside
    • Remote driven Rio and a Yaris in an angled head-on
    • Remote driven Jeep Grand Cherokee and a Fiat Bertonne in an offset head-on, over-ride and rollover
    • Ford Crown Victoria and a Kia Sephia in a side-swipe and an Escort in a broadside
    • Remote driven Volkswagen Jetta and a Chrysler Town & Country
    • The data from these crashes was presented at the 2012 ARC-CSI crash conference.
  • June 19, 2012 – Performed multiple box burns and three vehicle burns for flare research presented at 2012 ISFI Conference.

  • May 12, 2013 – Performed and participated in low speed crash testing and bus-car collision test with instrumented human volunteers prior to 2013 ARC-CSI crash conference. The data from these collisions was presented at the 2013 ARC-CSI Crash Conference.

  • May 13, 2013 – Performed and participated in instrumented crash tests with human volunteers and anthropomorphic dummies.
    • Human driven Toyota Yaris into a barrier
    • Remote driven Toyota Yaris into barrier at high speed
    • Remote driven Saturn SL2 offset into rear of a city bus
    • Human driven Crown Victoria offset head-on into stationary Chevrolet Cavalier
    • Remote driven Chevrolet Cavalier centered into the rear of a city bus
    • Remote driven Chevrolet Impala into side of city bus
    • Human driven Crown Victoria offset head-on into pushed Chevrolet Cavalier
    • Remote driven high speed head on between two Pontiac Grand Ams
    • The data from these crashes was presented at the 2013 ARC-CSI Crash Conference
  • September 27, 2013 – Performed and participated in an instrumented vault crash utilizing a remote driven vehicle at the 2013 SATAI Fall Conference.

  • June 1 – 2, 2014 – Performed and participated in:
    • Remote driven Explorer and Cobalt (with remote controlled ignition switch position) frontal barrier impacts
    • Contour to New Flyer city bus containing an instrumented anthropomorphic dummy driver and human passengers
    • Head-on collision between Crown Victorias
    • Human driven Prius and Cobalt to barrier impacts, rear-end and frontal impacts between a Prius and a Cobalt
    • Multiple vehicle crash with Crown Victoria, Malibu and Saturn
    • Broadside crashes between Crown Victorias and an Impreza and a Prius.
    • Results presented at ARC-CSI conference, June 2-5, 2014, Las Vegas, NV.
  • June 10 - 11, 2014 - Performed and participated in two fully instrumented crash tests including:
    • A 90 degree intersection crash
    • A head on crash
    • Results were presented at the 2014 MATAI Annual Meeting and Training Seminar
  • September 25, 2014 – Performed and participated in instrumented Camry to pedestrian dummy impacts, a remote driven BMW 740 iL to Camry to Volvo 850 chain reaction rear-end impact, and Volvo 850 to motorcycle with a pedestrian dummy rider impacts at the 2014 SATAI Fall Conference.  Results were presented at the end of the conference.

  • January 27 – 28, 2015 - Performed and participated in instrumented Cobalt to Camry rear-end, broadside and head-on collisions in Houston, TX.  Results presented at CDR User’s Summit, January 26-28, 2015, Houston, TX

  • May 31, 2015 - Performed and participated in rear-end bumper-to-bumper and bumper-to-hitch impacts with instrumented human occupants with a Mazda 3 into a Yaris and a Land Rover.  Results presented at 2015 ARC-CSI conference.

  • June 1, 2015 - Performed and participated in instrumented broadside impacts between remote ridden Taizhou scooter, Honda cruiser and Kawasaki ZX600 motorcycles, and Grand Caravan and Crown Victorias, a remote driven head-on between a Grand Prix and Crown Victorias, human driven Land Rover into Lincoln MKZ, Malibu into Mazda 3, Grand Caravan into Elantra broadside impacts including pre-impact ramp jumps, instrumented drivers, passengers and an anthropomorphic dummy.  Results presented at 2015 ARC-CSI conference.

  • September 10, 2015 - Performed and participated in instrumented Ford Focus and Ram 1500 to pedestrian dummy, Ford Crown Victoria to Ford Focus side-swipe, and Ram 1500 head-on to a Honda Prelude impacts with an instrumented human and Hybrid III dummy, in Glendale, AZ.  Results were presented at the 2015 SATAI Fall Conference.

  • May 22, 2016 – Performed and participated in low speed impact testing with human occupants between a Volkswagen Passat and a Toyota Prius.  Performed and participated in instrumented motorcycle barrier impacts and instrumented motorcycle crashes into an instrumented vehicle.  These results were presented at the 2016 ARC-CSI crash conference.

  • May 23, 2016 -  Performed and participated in and instrumented head-on impact between a Ford Crown Victoria, an instrumented 90 degree impact between  a Crown Victoria and a Toyota Prius, an instrumented head-on barrier impact of a Volkswagen Passat, a three car inline impact including a Crown Victoria, a Passat and a Chevy Cavalier, an instrumented oblique barrier impact with a Passat, multiple instrumented motorcycle barrier impacts and multiple instrumented motorcycle impacts with both stationary and moving instrumented vehicles including a Passat, A crown Victoria and a Lexus Sedan.  These results were presented at the 2016 ARC-CSI crash conference.

  • June 15, 2016 – Performed stranded battery cable testing including melting, burning and arcing battery cables to observe the effects.  The samples were then analyzed by Neal Hanke at Materials Engineering and Evaluation and the results of the burn testing and the analysis were presented at the 2016 ISFI Conference in Scottsdale AZ.

  • October 5, 2016 – Performed and participated in instrumented steering wheel and brake force, vehicle pitch, and bumper height change tests during hard braking using a Celica in Mesa, AZ. 

  • October 5, 2016 – Performed and participated in instrumented license plate-to-bumper car-to-car rear-end impacts with a human subject using Civics and a Celica in Mesa, AZ.

  • October 6, 2016 – Performed and participated in instrumented remote driven Celica into an angled head-on with a Ranger, and Massive Moving Barrier to Oldsmobile 98 and Expedition with child safety seat restrained 3 year old dummies in Glendale, AZ.  These results presented at the 2016 SATAI conference, September 6-8, 2016, Glendale, AZ.

Also see my profile on LinkedIn.