McHenry Forum - Crash Reconstruction & Simulation

Q: Wait, she was actually watching a movie when driving??? A: Yes it appears. It was an autonomous vehicle. She was NOT supposed to be watching a movie. She was supposed to be monitoring the vehicle to be sure it functioned properly. (So perhaps better stated 'an experimental autonomous vehicle') I...

Version 2.80.2 updates: Crash Test Database now includes data as of Oct 15, 2020. From 3D graphics use the Help button and select CRASH Test Database 3D Graphics Help button.jpg Which produces the NHTSA CRASH TEST Database Browser: NHTSA CRASH test DATABASE dialog.jpg From the Medit3D GRID mode use ...

Just saw posted up to Linkedin by Explico Engineering Company the following: "Explico's 3D visualization capabilities are rapidly expanding. Check out a recent visualization our team created, which can be interacted with through our custom, real-time, vehicle collision visualizer. The vehicle ...

Following information recently posted up to INCR on drag factor measurements a couple of devices/Companies mentioned: Vericom and Vbox We've had the pleasure of working with the Vbox folks on the 2018 Jaguar E-Pace rollover rollout stunt project great product and great people! Some information in th...

Oct 2020: Recently posted on NAPARS Facebook page:

• Today's History Moment:RICSAC Tests: In the 70's

Also additional information at

• What is Validation for vehicle to vehicle collision models?

Recently posted on NAPARS Facebook page : Today's History Moment: RICSAC Tests: In the 70's, it became clear that computer models of car crashes might be viable, but everyone needed good input data to work with. So a series of staged crashes were run called the "Research Input for Computer Simu...

Sorry!Too Late for Year End Special! Watch the Video, see what you're missing! You can still contact us for a quote! Nov: 2020 Year end Special Pay_only_when_you_use pricing for msmac3D! Pay for only when you use the software: quarterly, semi-annually, annually! Please read Why consider msmac3D Con...

We recently came across a framed picture in storage of a Volvo ad which included a topless model. This framed ad was given to Ray while he was back at Calspan by someone from Volvo . The ad in support of the 3 pt restraint and this is a vivid demonstration of the safety provided by a 3-pt. seatbelt....

Q: In preparation for ACTAR exam I am having trouble finding how to draw the PDOF force vector. I calculated it correctly and know you draw the vector through the center of damage. My question is where do you measure the angle from? The center of the damage? The cross of the x and y axis of the veh...

Q: Has anyone dealt with questions about using side stiffness values for a passenger side impact? While one would think that both sides are the same, it is a fact that the crash test data used for side stiffness values comes primarily from driver's side only crash tests. Manufacturers have been kno...