PC-CRASH Multi-body option IS the ATB program!

Subjects related to the reconstruction and simulation of Occupants in vehicles and Pedestrians struck by vehicles, ATB & ATB clones #ATB #MADYMO #MultiBody
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MSI
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Posts: 2005
Joined: Thu Jun 18, 2009 12:37 pm

PC-CRASH Multi-body option IS the ATB program!

Post by MSI »

I don't know why PC-CRASH pretend their 3D "multi-body" model is something independently created when in reality it is the ATB program.

Quick comparison of the ATB program vs pc-crash Multi-body simulation
first note that ATB is:
ATB general purpose lumped mass program.png
ATB general purpose lumped mass program.png (29.78 KiB) Viewed 588 times
And here is a comparison of the models, look familiar?
ATB v pc-crash multibody.png
ATB v pc-crash multibody.png (187.43 KiB) Viewed 588 times
Here are the references pc-crash provides about their multi-body option:
multibody references all.png
multibody references all.png (154.52 KiB) Viewed 273 times
  • These are advanced classroom textbooks which do not address the the coding for use as a simulation program as if it might be easy work!
    • See What is ATB where we present and discuss the brilliant pioneering work by Dr. John Fleck which included extremely efficient integration routines for economical execution of the program and the addition of many extensions and refinements to move the mathematical model from 2 dimensions to 3 dimensions
    • For some reason they pretend it is NOT ATB. IT IS ATB! NOT applicable to individual crash reconstruction
    These references are engineering series type references and not about any specific way pc-crash implemented theory and analysis into a working multi body simulation code. And the transformation of scientific equations and theories into computer code and integration routines is the brilliance of the work of Dr. John T. Fleck!

    Why won't pc-crash acknowledge the pioneering contribution of Calspan & the late Dr John Fleck in the creation of the ATB code and the use by pc-crash of ATB code as their "multi body" option??
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