As a principal engineer at Kineticorp, Gray Beauchamp is an expert in traffic accident reconstruction and vehicle dynamics. He has investigated and reconstructed hundreds of vehicular accidents involving passenger vehicles, commercial vehicles, motorcycles, bicycles and pedestrians. He has also reconstructed accidents involving recreational vehicles. Mr. Beauchamp has extensive experience as an expert witness in court and deposition. He has been reconstructing vehicle accidents since 2003.
Mr. Beauchamp has authored numerous peer-reviewed publications, eight of which have been included in the Society of Automotive Engineers’ (SAE) International Journal of Passenger Cars. Several of Mr. Beauchamp’s publications have focused on single vehicle loss of control accidents. Specifically, he has researched vehicle handling during tire disablements, the interpretation of tire mark evidence, and the various phases of rollover accidents. Much of his research has included full scale vehicle testing. In addition to his role as an author, he is a peer reviewer for technical papers published in the rollover session, the accident reconstruction session, and in the Analysis, Synthesis, and Design of Advanced Suspensions session of SAE.
Mr. Beauchamp is an instructor for Reconstruction and Analysis of Rollover Crashes of Light Vehicles, a seminar offered through SAE. He has guest lectured on Accident Reconstruction at the Denver Police Department for officers training in the Level 3 Advanced Traffic Collision Investigation and Reconstruction Course. He has also guest lectured at the graduate level at the University of Colorado and Wayne State University.
Text Book
- “Rollover Crash Reconstruction” SAE, 2018
Peer Reviewed Research Papers
- “Event Data Recorder Performance During High Speed Yaw Testing Subsequent to a Simulated Tire Tread Separation Event” SAE, 2019
- “Speed Analysis of Yawing Passenger Vehicles Following a Tire Tread Detachment” SAE, 2019
- “Deceleration Rates of Vehicles with Disabled Tires,” SAE, 2017
- “The Relationship Between Tire Mark Striations and Tire Forces,” SAE, 2016
- “Tire Mark Striations: Sensitivity and Uncertainty Analysis,” SAE, 2016
- “Post-Impact Dynamics for Vehicles with a High Yaw Velocity,” SAE, 2016
- “A Comparison of 25 High Speed Tire Disablements Involving Full and Partial Tread Separations,” SAE, 2013
- “Comparison of Calculated Speeds for a Yawing and Braking Vehicle to Full-Scale Vehicle Tests,” SAE, 2012
- “A Variable Deceleration Rate Approach to Rollover Crash Reconstruction,” Collision, Volume 5, Issue 1, 2010.
- “Determining Steering and Braking Levels from Yaw Mark Striations,” SAE, 2009
- “Development of a Variable Deceleration Rate Approach to Rollover Crash Reconstruction,” SAE, 2009
- “Analysis of a Dolly Rollover with PC-Crash,” SAE, 2009
- “The Influence of Vehicle-to-Ground Impact Conditions on Rollover Dynamics and Severity,” SAE, 2008
- “Analysis of Vehicle-to-Ground Impacts during a Rollover with an Impulse-Momentum Impact Model,” SAE, 2008
- “Occupant Ejection Trajectories in Rollover Crashes: Full-Scale Testing and Real World Cases,” SAE, 2008
- “Factors Influencing Roof-to-Ground Impact Severity: Video Analysis and Analytical Modeling,” SAE, 2007
- “Quantifying the Uncertainty in the Coefficient of Restitution Obtained with Accelerometer Data from a Crash Test,” SAE, 2007
- “Restitution Modeling for Crush Analysis: Theory and Validation,” SAE, 2006
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