Search found 6 matches

by nseisel
Thu Nov 23, 2023 6:17 pm
Forum: Public Reconstruction Discussion
Topic: Vehicle vs Bicycle
Replies: 2
Views: 4830

Re: Vehicle vs Bicycle

The blood splatter was noticed before the body was moved. I am thinking the blood splatter is a result of the distance traveled from the point of impact.
by nseisel
Sun Nov 12, 2023 11:09 pm
Forum: Public Reconstruction Discussion
Topic: Vehicle vs Bicycle
Replies: 2
Views: 4830

Vehicle vs Bicycle

I have a question that may pose some debate: I have a vehicle vs. bicycle crash. The impact was a blunt force impact. The bicycle basically projected directly outward from the vehicle into a ditch off of the right side of the road. The bicyclist had a head strike on the windshield and was projected ...
by nseisel
Fri Oct 06, 2023 6:54 pm
Forum: Public Reconstruction Discussion
Topic: Drag Factor
Replies: 1
Views: 4432

Drag Factor

What are some good publications on generic drag factors from different surfaces?
by nseisel
Fri Mar 17, 2023 1:29 am
Forum: Public Reconstruction Discussion
Topic: Stiffness Coefficients
Replies: 9
Views: 14188

Re: Stiffness Coefficients

Okay, good to know I was doing it correctly by hand. Thank you for your help!
by nseisel
Thu Mar 16, 2023 10:20 pm
Forum: Public Reconstruction Discussion
Topic: Stiffness Coefficients
Replies: 9
Views: 14188

Re: Stiffness Coefficients

Thank you for the timely reply. If I do not have access to these software programs, do you know of an actual list of formulas I can use to calculate values for b1 and then A and B? The formula used by IPTM is as follows: DeltaV= change in velocity b0= zero crush speed (in/sec) L= overall length of c...
by nseisel
Mon Mar 13, 2023 10:36 am
Forum: Public Reconstruction Discussion
Topic: Stiffness Coefficients
Replies: 9
Views: 14188

Stiffness Coefficients

I am a newly certified reconstructionist. My training was conducted by a local police department with most of the topics taught by IPTM. One concept we did not dive into very much was calculating stiffness coefficients for crush profiles. A and B values are the ones I am struggling with. I can get G...