VEHICLE ACCIDENT RECONSTRUCTION

Using HVE* software (*Engineering Dynamics Corp.), with its state-of-the art physics programme,
we can undertake accident reconstructions and advanced simulation of vehicle control systems, driver reactions, tyre or brake system failures and 3D collision modelling

• Simulate vehicle rollovers including exterior damage and the response of multiple occupants during a collision,   including contact between the occupants
• Simulate a crash sequence, change the initial conditions to study avoidance and route changes
• Simulate the transient response of a vehicle before, during and after and tyre blowout
• Simulate vehicle-to-barrier and vehicle-to-vehicle crash tests,
•Simulate real world crashes and identify potential sources of occupant injury as a result
• Study the effect of occupant positioning on restraint system effectiveness
• Create a complex 3D terrain mesh and drive vehicles on it
• Use the HVE Path Follower to simulate the driver steering inputs required to negotiate a complex curve
• Use virtual thermocouples to monitor brake lining temperatures on a downhill grade
• Use virtual accelerometers to monitor the velocity and acceleration from any location in the vehicle

In a notable use of this technology, we were instructed by Interested Parties to build a computer simulation of the final journey of Diana Princess of Wales and Mr Dodi Al-Fayed. Operating with a highly detailed model of the physical environment and with the basic tyre and debris evidence from the scene records, we were able to examine all aspects of the vehicle control, speed, breaking and gear selection. We produced Expert Witness Reports on our findings.

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