Search found 1789 matches
- Mon Nov 13, 2023 5:57 pm
- Forum: Highway Safety
- Topic: More Information on The Effects of Speed on Highway Safety
- Replies: 0
- Views: 13894
More Information on The Effects of Speed on Highway Safety
More confirmation of the findings of the study we participated in back in the 90s, see Effects of Speed on Accident Frequency? Following recently posted on Linkedin: Global Road Safety Partnership In Australia, the speed limit on Melbourne’s rural and outer freeway network was increased from 100 km/...
- Mon Nov 13, 2023 8:12 am
- Forum: msmac3D Licensee Notes
- Topic: msmac3D Ver 4.5.5 FEATURE HIGHLIGHTS, AVAILABLE NOW!
- Replies: 7
- Views: 14637
msmac3D Ver 4.5.5 FEATURE HIGHLIGHTS, AVAILABLE NOW!
Mar 13, 2024: Update 4.5.5 is uploaded! This lists some of the many enhancements Refinement of NEW Sequential Inputs We recently added Sequential Input Tables to permit direct copy/paste of EDR data as inputs fot msmac3D simulations. We also enhanced the notices and messaging to clarify how these ta...
- Fri Nov 10, 2023 7:06 am
- Forum: What Is?
- Topic: What is Closing Speed?
- Replies: 6
- Views: 25967
Re: What is Closing Speed?
That presentation: Using EDR Delta V in Traffic Crash Reconstruction by Rick Ruth We don't know him personally but have heard from colleagues he's a great teacher, presenter and source for useful information. Here is his website Ruth Consulting And here is one of the SAE classes he teached: Applying...
- Thu Nov 09, 2023 8:16 am
- Forum: McHenry News!
- Topic: 2008 McHenry Accident Reconstruction Book
- Replies: 2
- Views: 9929
Re: 2008 McHenry Accident Reconstruction Book
Note we haven't updated this so added 2024 as expected update time for the update to the book!
- Thu Nov 09, 2023 8:02 am
- Forum: What Is?
- Topic: What is Closing Speed?
- Replies: 6
- Views: 25967
Re: What is Closing Speed?
We're on the road this week and just saw your question: First, Coefficient of Restitution (COR) has nothing to do with closing speed. COR would need to be considered in the calculation of the ' impact speed change '. The equation you presented also has gamma which you specified as the ' effective ma...
- Fri Oct 27, 2023 6:56 pm
- Forum: msmac3D Licensee Notes
- Topic: Note on Norton and other anti-virus real time Scanning programs
- Replies: 2
- Views: 4805
Re: Note on Norton and other anti-virus real time Scanning programs
They're at it again! Just got this notice from a licensee that Norton blocking our installation program sometimes clicking on the FILE INSIGHT button can provide an option to STOP the BLOCK! Damn Norton.png Please try these steps and/or search the web to see how to unblock we digitally sign our inst...
- Thu Oct 26, 2023 9:14 am
- Forum: Specs, Crash Tests, Etc.
- Topic: Deceleration of Electric Vehicles with Regenerative Braking
- Replies: 0
- Views: 9749
Deceleration of Electric Vehicles with Regenerative Braking
Regenerative braking in electric cars is a great way to save your brakes! Having driven a Tesla 3 for many years i know i rarely use the brakes. Saw this paper posted up so reposting link to SAE Quantifying the Deceleration of Various Electric Vehicles Utilizing Regenerative Braking Vigil, C., Kaaya...
- Tue Oct 24, 2023 2:13 pm
- Forum: General Topics
- Topic: Winners or Losers in Crash Reconstruction
- Replies: 0
- Views: 15560
Winners or Losers in Crash Reconstruction
Recently got an email from a colleague who consulted on a case and we got a thank you email which ended with: "I believe it was the right decision. Unfortunately, there is no winner in this case." [/b] To which we waxed philosophically in our response which we repeat here: Crash reconstruc...
- Tue Oct 24, 2023 10:33 am
- Forum: McHenry News!
- Topic: McHenry in Collision Magazine Volume 6, Issue 2
- Replies: 1
- Views: 12839
Re: McHenry in Collision Magazine Volume 6, Issue 2
Realized we hadn't posted a link to the paper... " A Short History of Nearly Everything! (...about McHenry and Computers in Highway Safety) " Brian G. McHenry, Presented May 24, 2011 at the 2011 ARC-CSI conference in Las Vegas, published in Collision magazine Volume 6, Issue 2 - Fall 2011
- Sat Oct 21, 2023 9:36 am
- Forum: Simplified Momentum Analysis, PC-Crash, Virtual Crash
- Topic: Q: Is the law of virtual crash Runge-Kutta?
- Replies: 1
- Views: 10158
Re: Q: Is the law of virtual crash Runge-Kutta?
We just realized you may have been responding to the anti-bot question in order to register for the forum If so first sorry for the long winded response... second...Please send your name, company name if a McHenry Software Licensee We probably will know but just in case support staff of a licensee, ...