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Education & Training
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EDC Reconstruction
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NUCPS Training
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Northwestern University Center for Public Safety
The courses listed below are offered by the Accident Investigation Division of the Northwestern University Center for Public Safety. Click on the course title for more information about each course, an up-to-date course schedule and also to register online.
Computerized Traffic Accident Reconstruction - Introduction to EDCRASH EDCRASH, based on CRASH3 (Calspan Reconstruction of Accident Speeds on the Highway), is used to reconstruct single- and two-vehicle accidents. The program determines impact conditions, including vehicle speeds at impact and the dynamic severity of the impact, using information obtained from vehicle and accident site inspections. Introduction to EDCRASH includes approximately 15 hours of computer time. The instructional format emphasizes case studies and "hands-on" experience in a fully equipped microcomputer laboratory. (Class size is limited to ensure one microcomputer per student). EDCRASH software is distributed exclusively by Engineering Dynamics Corporation of Beaverton, Oregon.
This seminar is designed for traffic accident reconstructionists seeking a non-technical introduction to one of the most powerful and useful microcomputer-based programs for accident reconstruction. Introduction to EDCRASH is intended for students who have successfully completed our Traffic
Accident Reconstruction 1 course (or its equivalent) and who have at least six months of
subsequent field experience. Successful participation in the EDCRASH seminar requires each
student, as a prerequisite, to thoroughly understand the concepts and procedures associated with
the following:
IMPORTANT: This seminar requires a working knowledge of the basic operations of Windows-
based microcomputers.
Course Content
Computerized Traffic Accident Reconstruction - Introduction to EDSMAC
This is the only seminar offered anywhere that provides a nontechnical introduction to a powerful
and useful microcomputer program for accident reconstruction.
EDSMAC (Engineering Dynamics Corporation Simulation Model of Automobile Collisions) is a
simulation analysis of a single- or two-vehicle accident. It is based on the program called SMAC
which was developed by Calspan and includes several improvements developed by Engineering
Dynamics Corporation. EDSMAC uses a set of assumed or estimated initial conditions, including
positions and velocities, and predicts the outcome of the accident.
Accident investigators can use EDSMAC to determine how the accident may have occurred. By
repeated adjustments of the initial conditions and driver braking (or acceleration) and steering
inputs, the user will converge on the data which best matches the known accident site evidence.
Users of EDCRASH will find it convenient to first analyze the accident using EDCRASH to produce
a complete input data set. The resulting confirming analysis is both very complete and very
powerful.
Introduction to EDSMAC is intended for students who have successfully completed our Traffic
Accident Reconstruction 1 course (or its equivalent) and who have at least six months of
subsequent field experience. It is also strongly recommended that the student have a working
knowledge of the EDCRASH program. Successful participation in the EDSMAC seminar requires
each student, as a prerequisite, to thoroughly understand the concepts and procedures associated
with the following:
IMPORTANT: This seminar requires a working knowledge of the basic operations of Windows
microcomputer software.
Course Content
(Class size is limited to ensure one microcomputer per student.)
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