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Pycrash: An Open-Source Tool for Accident Reconstruction
Technical Paper
2021-01-0896
ISSN: 0148-7191, e-ISSN: 2688-3627
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SAE WCX Digital Summit
Language:
English
Abstract
Accident reconstructionists routinely rely on computer software to perform analyses. While there are a variety of software packages available to accident reconstructionists, many rely on custom spreadsheet-based applications for their analyses. Purchased packages provide an improved interface and the ability to produce sophisticated animations of vehicle motion but can be cost prohibitive. Pycrash is a free, open-source Python-based software package that, in its current state, can perform basic accident reconstruction calculations, automate data analyses, simulate single vehicle motion and, perform impulse-momentum based analyses of vehicle collisions. In this paper, the current capabilities of Pycrash are illustrated and its accuracy is assessed using matching PC-Crash simulations performed using PC-Crash. The results indicate that Pycrash is well-equipped to perform fundamental accident reconstruction analyses, including impact related effects, but its simplified suspension model is a limitation. It is hoped that others within the accident reconstruction community will use Pycrash, make suggestions for its improvement and develop additional capabilities.
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Citation
Cormier, J., Funk, J., Beauchamp, G., and Pentecost, D., "Pycrash: An Open-Source Tool for Accident Reconstruction," SAE Technical Paper 2021-01-0896, 2021, https://doi.org/10.4271/2021-01-0896.Data Sets - Support Documents
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