July 2010 meeting in Orlando, FL
Friday, July 16th through Sunday, July 18, 2010
NAFE Committees: Fri. 7/16/10 8:30 - 11:00 am
NAFE Board of Directors: Fri. 7/16/10 12:30 - 2:00 pm
ASTM E-58: Fri. 7/16/10 2:00 - 5:30 pm
NAFE Reception/Dinner: Fri. 7/16/10 6:30 pm
NAFE Seminar: Sat. 7/17/10 7:30 am - 5:00 pm (includes Breakfast and Lunch)
NAFE Reception/Dinner: Sat. 7/17/10 6:30 pm
NAFE Special Seminar: Sun. 7/18/10 7:30 am (includes Breakfast and Lunch)
Seminar Agenda
Saturday, July 17, 2010 (8 Cpds)
| 7:30 | ROUND TABLE DISCUSSION (INCLUDES BREAKFAST) |
| 8:30 | OPENING REMARKS AND INTRODUCTIONS |
| Marvin M. Specter, P.E., L.S. (NAFE 001F) | |
| 9:00 | "FE ENGINEERING AND THE SCIENTIFIC METHOD" |
| Laura L. Liptai, PH.D. (NAFE C339) | |
| 9:30 | "FE ANALYSIS OF VEHICLE IMPACT INTO PARKING LOT GATE" |
| Brian T. Weaver, P.E. (NAFE 740M) | |
| 10:00 | "FE ANALYSIS OF FREEZER WAREHOUSE SUB-FLOOR HEATING FAILURE" |
| David K. Aberizk, P.E. (NAFE C208) | |
| 10:30 | "FE'S IN PATENT LITIGATION" |
| Michael D. Leshner, P.E. (NAFE 559F) | |
| 11:00 | "REPORT OF NAFE ACTIVITIES IN FORENSIC ENGRG." |
| 2010 Pres. Mark A. Whelchel, P.E. (NAFE 486F) | |
| 12:00 | ROUND TABLE DISCUSSION (INCLUDES LUNCH) |
| 2:00 | "FE ANALYSIS OF BASEBALL BALLISTICS" |
| David S. Komm (NAFE 737S) | |
| 2:30 | "FE USE OF HIGH DEFINITION SURVEYS (LASER SCANNING)" |
| Steven M. Schorr, P.E.(NAFE 159F) | |
| 3:00 | "FE STUDIES USING EXEMPLARS AND SURROGATES IN |
| VEHICLE IMPACT CASES" | |
| William E. Lee, III, Ph.D., P.E. (NAFE 655S) | |
| 3:30 | "FE INVESTIGATION OF A LADDER FAILURE" |
| Nicholas A. Petrucci, P.E., C.S.P. (NAFE 650M) | |
| 4:00 | "The FE CAUGHT ‘HOLDING HARMLESS’ “ |
| Jesse A. Grantham, Ph.D., P.E. (NAFE 597S) | |
| 4:30 | "REPORTS OF ROUND TABLE DISCUSSIONS AND COLLOQUIUM |
| ON FORENSIC ENGINEERING PRACTICES" | |
| 2010 Pres. Mark A. Whelchel, P.E. (NAFE 486F) | |
| 5:00 | Adjourn |
Advanced Accident Reconstruction for Forensic Engineers Seminar
Sunday, July 18,2010, Orlando, Florida
Morning Agenda - Motorcycles
Jerry S. Ogden (Motorcycles & Bicycles)
Mr. Ogden will discuss various friction factors for motorcycle braking and side-slide analysis. Angles of ejection for uniform projectile motion analysis and the usel1imitations of fork deformation analysis. Different occupant ejection analysis techniques that can be used for motorcycles (under some cases), bicycle and pedestrian accident analysis.
Mark Whelchel & James Flynn (Motorcycle Case)
Courtroom case analysis plaintiff/defendant sides of the case.
Motorcycle and left turning vehicle case. Mr. Flynn worked for the left turning vehicle. Mr. Whelchel worked for the motorcycle driver. Mr. Whelchel prepared an analysis, utilizing evidence and engineering methods. Mr. Flynn prepared an analysis prepared on evidence, driver handbook and criticism of Mr. Whelchel's analysis. Mr. Whelchel and Mr. Flynn will present the differing views of the case with commentary regarding the cross examination of both sides. This should be an exciting presentation as the two experts relive their courtroom experience.
Michael Kravitz (Motorcycle)
Mr. Kravitz will present a short topic discussing the effect of motorcycle tire in a rut on the reconstruction of a roadway using a spring/damper model of the motorcycle tire and the effects of torques on the steering. Video models will be shown as demonstrative exhibits.
Afternoon Agenda - Trucks and Heavy Equipment
Daniel Melcher (Trucks)
Mr. Melcher will discuss the practical applications of the principles of physics and how they can be different when reconstructing a collision involving one or more commercial vehicles (heavy trucks). The presentation will discuss methods and techniques that can be applied in the Forensic Engineering investigation and analysis of heavy truck crashes, including:
1. Post-impact path, braking, and deceleration.
2. Impact-phase applications of traditional methods such as conservation of linear momentum, crush damage analysis, and simulation modeling.
3. Pre-impact vehicle dynamics modeling.
4. New data technologies.
5. Mechanical systems, inspections, regulations, and driver factors and their influence on Forensic Engineering.
6. Case studies from trial appearances illustrating common issues and treatments for commercial vehicle (heavy truck) crashes.
Ralph Aronberg (Trucks and Heavy Equipment)
Mr. Aronberg will discuss two truck reconstructions on which he recently worked. One case involved preparing a 3D computer animation of the event using 3D Studio Max. The other involved reconstructing the event and presenting a 3D computer simulation using PC¬crash. He will compare what can be accomplished using both types of technology, and explain why one might chose one 3D approach over the other.
Richard Ziernicki (Trucks)
Dr. Ziernicki will present a short topic on an accident case which involved thirteen motor vehicles and took place in foggy conditions and wet roadway. Plaintiff was broadsided by a fully loaded semi-tractor-trailer resulting in a brain injury. One fundamental issue in this case was information retrieved from Electronic Data Recorder which showed that semi driver took his foot off of the throttle pedal and placed it on the brake pedal, this resulted in the data recorder showing brake application. However, the speed recording showed no decrease of vehicle speed. Dr. Ziernicki will show a Power Point presentation depicting correlation between EDR data and position of the semi on the roadway in relation to the impact and video simulations which were presented in court testimony.
