Search found 1788 matches

by MSI
Mon Nov 13, 2023 8:12 am
Forum: msmac3D Licensee Notes
Topic: msmac3D Ver 4.5.5 FEATURE HIGHLIGHTS, AVAILABLE NOW!
Replies: 7
Views: 14635

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...
by MSI
Fri Nov 10, 2023 7:06 am
Forum: What Is?
Topic: What is Closing Speed?
Replies: 6
Views: 25958

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...
by MSI
Thu Nov 09, 2023 8:16 am
Forum: McHenry News!
Topic: 2008 McHenry Accident Reconstruction Book
Replies: 2
Views: 9913

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!
by MSI
Thu Nov 09, 2023 8:02 am
Forum: What Is?
Topic: What is Closing Speed?
Replies: 6
Views: 25958

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...
by MSI
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...
by MSI
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...
by MSI
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...
by MSI
Tue Oct 24, 2023 10:33 am
Forum: McHenry News!
Topic: McHenry in Collision Magazine Volume 6, Issue 2
Replies: 1
Views: 12821

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
by MSI
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, ...
by MSI
Sat Oct 21, 2023 9:21 am
Forum: Simplified Momentum Analysis, PC-Crash, Virtual Crash
Topic: Q: Is the law of virtual crash Runge-Kutta?
Replies: 1
Views: 10158

Q: Is the law of virtual crash Runge-Kutta?

Question/Comment received today via email to our forum: "I think the law of virtual crash is Runge-Kutta" Answer/Comment: Not sure what you meant by "I think the law of virtual crash is Runge-Kutta' Runge-Kutta is an integrator used in many simulation programs. For exampe in the HVOS...