Search found 442 matches

by brian
Tue Sep 01, 2009 2:03 pm
Forum: Collision & Trajectory Analysis
Topic: Should a CRASH type damage analysis include induced damage?
Replies: 2
Views: 2882

Re: Should a CRASH type damage analysis include induced damage?

Some additional information related to the inclusion of induced crush in damage analysis: 1) The NASS training manual instructs to include induced damage but indicates ‘ most other CRASH users measure only direct damage ’ 2) The CRASH3 Manual : Section 3, 3-32-3-32 indicates ‘ a general rule has evo...
by brian
Mon Aug 31, 2009 4:12 pm
Forum: Highway Safety Issues
Topic: Effects of Speed on Accident Frequency?
Replies: 2
Views: 3735

Re: Effects of Speed on Accident Frequency?

Reanalysis The results of this study were also reanalysed using a more sophisticated method: http://casr.adelaide.edu.au/speed/RESPEED.PDF -------------------------------------------------------------------------------- John Lambert has written a number of papers criticising this speed study and dra...
by brian
Mon Aug 31, 2009 4:05 pm
Forum: What Is?
Topic: What is RICSAC?
Replies: 3
Views: 6935

Re: What is RICSAC?

Additional reports related to full scale tests perfromed under the RICSAC: 3 Additional Tests (RICSAC 13-15) performed at Texas transportation Institute: Improvement of Accident Simulation Model James, Hayes, Ross & Whittington Contracts DOT-HS-5-01262 & DOT-HS-7-01656 Additional tests by Dynamic Sc...
by brian
Thu Aug 27, 2009 9:57 am
Forum: Distracted Driving News and Information
Topic: STOP Cell phone use while driving!
Replies: 11
Views: 12457

Re: STOP Cell phone use while driving!

Some additional resources on the subject: From Consumer Reports: NHTSA witholds Cell Phone driving dangers Documents: Department of Transportation's National Highway Traffic Safety Administration The following body of research, conducted by the Department of Transportation and completed in 2003, has...
by brian
Thu Aug 27, 2009 9:33 am
Forum: Litigation Topics and News!
Topic: How accurate is eyewitness memory?
Replies: 8
Views: 7654

Re: How accurate is eyewitness memory?

Be sure to also see the 2nd half of the 60 Minutes:Eyewitness, Part 2"So how accurate is eyewitness testimony? As Lesley Stahl found out firsthand, memory is malleable and can easily be influenced and corrupted".
by brian
Tue Aug 18, 2009 3:02 pm
Forum: McHenry James Bond Spiral Jump
Topic: Question on McHenry James Bond Spiral Jump Stunt
Replies: 9
Views: 26613

Re: Question on McHenry James Bond Spiral Jump Stunt

Check out the YouTube videos: http://www.youtube.com/watch?v=trJocyjCBzo& Handheld film of the actual stunt from the James Bond movie http://www.youtube.com/watch?v=iX5ZZd_CMzs& Original 1970's computer graphics of the hvosm simulation ramp design/design Additional information on McHenry Software we...
by brian
Mon Aug 17, 2009 9:28 am
Forum: Distracted Driving News and Information
Topic: STOP Cell phone use while driving!
Replies: 11
Views: 12457

Re: STOP Cell phone use while driving!

August 17th, 2009: I sometimes stay in North Raleigh, NC over the weekend and drive back my offices in Cary, NC via US 50/Creedmore Road. The road is a busy roadway with 2 lanes in each direction and a center dividing median. There are lights every mile or so. And every day I witness vehicles weavin...
by brian
Sat Aug 15, 2009 1:35 pm
Forum: Collision & Trajectory Analysis
Topic: What is the Coefficient of Restitution?
Replies: 1
Views: 1674

Re: What is the Coefficient of Restitution?

Some additional sources of information on Restitution in motor vehicle crashes as it relates to modelling techniques: " Effects of Restitution in the Application of Crush Coefficients ", McHenry, R.R., McHenry, B.G., SAE Paper 97-0960 " A Revised Damage Analysis Procedure for the CRASH Computer Prog...
by brian
Wed Aug 12, 2009 10:47 am
Forum: Collision & Trajectory Analysis
Topic: Some Momentum Misconceptions
Replies: 3
Views: 6775

Re: Some Momentum Misconceptions

This is some additional information on item: (6) above "There may also be a side-slap which obviously must be considered in the exchange of momentum and obviously does not occur in an instant". There's something about sideslaps! Rusty Haight sent us some information on the 2007 NYSTARS sideslap cras...