S I MON
SImulation MOdel Non-linear SIMON is a fully 3-dimensional dynamic simulation of the response of one or more vehicles to: • Driver Inputs (steering, braking, throttle, gear shift) • Collisions • Terrain Factors (irregular terrain, curbs, soft soil, slippery regions, hydroplaning, potholes, …) • Aerodynamics (wind forces, airborne trajectory) SIMON was built using the latest advances in software and simulation technology, based on a new, 3-D vehicle dynamics engine developed by Engineering Dynamics Corporation. Any number of vehicles may be included in a SIMON simulation. The user assigns initial positions and velocities for each vehicle. The user may also assign driver controls, wheel set-up conditions (tire blow-out, wheel damage, brake adjustment/failure, curb impact) and accelerometers. Using this information, SIMON calculates the forces acting on the vehicle and uses these forces to calculate vehicle position, velocity, acceleration and collision damage at user-specified time intervals. The results may be displayed numerically (in a spreadsheet format) or visually (in 3-D viewers). SIMON has been validated against numerous well-instrumented vehicle handling studies, including combined steering and braking, severe irregular terrain traversal, rollover tests, staged crash tests and tire blow-out experiments. Program results easily meet Federal standards for the admissibility of scientific evidence.
VISUAL REALITY
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Engineering Dynamics Corporation • 8625 SW Cascade Ave. Suite 200 • Beaverton, OR 97008 USA • 888.768.6216 www.edccorp.com SIMON and DyMESH are trademarks of Engineering Dynamics Corporation. All rights reserved.
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