A Three-Dimensional Crush Measurement Methodology using Two-Dimensional Photographs

Rucoba, Robert; Duran, Amanda; Carr, Lee; Erdeljac, Danny

doi:10.4271/2008-01-0163

Cited by 18 publications

(11 citation statements)

References 2 publications

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“…It was demonstrated using motor vehicle accident data in [12,13,16]. It is demonstrated using airplane accident data in [2] and the present study.…”

Section: Discussionmentioning

confidence: 90%

“…Impact damage documented using camera projection was compared with damage recorded using survey equipment in [16]; the maximum difference between the results for two motor vehicles was 3.1 cm. Impact damage documented using computer projection was compared with damage recorded using tape measures and survey equipment in [12]; the maximum difference between the results for two motor vehicles was 4.0 cm.…”

Section: Reverse Projection Methodsmentioning

confidence: 99%

“…Computer projection has been used for motor vehicle accident reconstruction to describe damage to an accident vehicle [12] and for aircraft accident reconstruction to document damage at an accident site [2]. Impact damage documented using camera projection was compared with damage recorded using survey equipment in [16]; the maximum difference between the results for two motor vehicles was 3.1 cm.…”

Section: Reverse Projection Methodsmentioning

confidence: 99%

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Documentation of evidence and calculation of acceleration in aircraft accident reconstruction

Dobbs¹,

Boldrick²,

Ericson³

et al. 2011

International Journal of Crashworthiness

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This paper presents results from the reconstruction of the crash of a twin-engine, low-wing airplane on final approach. These results are used to demonstrate the reverse projection method for documenting physical evidence and the kinematic method for calculating aircraft acceleration. The documentation of evidence and the calculation of acceleration, previously shown using airplane test data, are now shown using airplane accident data. The use of reverse projection to complete the documentation of physical evidence that was not preserved is discussed.

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“…It was demonstrated using motor vehicle accident data in [12,13,16]. It is demonstrated using airplane accident data in [2] and the present study.…”

Section: Discussionmentioning

confidence: 90%

Section: Reverse Projection Methodsmentioning

confidence: 99%

Section: Reverse Projection Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Documentation of evidence and calculation of acceleration in aircraft accident reconstruction

Dobbs¹,

Boldrick²,

Ericson³

et al. 2011

International Journal of Crashworthiness

View full text Add to dashboard Cite

show abstract

“…When equation (12) and the coefficients in equations (6), (8) and (10) are applied, the coefficients p 0 , p 1 and p 2 can be determined from the vehicle crush model and the Campbell model coefficients b 0 and b 1 . Therefore, when the crush volume is measured in an actual collision accident, the approximate value of the collision speed can be determined.…”

Section: D Crush Modelmentioning

confidence: 99%

Determination of the collision speed of a vehicle from evaluation of the crush volume using photographs

Han

Kang

2015

Proceedings of the Institution of Mechanical Engineers, Part D:

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In accident reconstruction analysis of a collision between modern vehicles which have a three-dimensional frontal shape, classical two-dimensional crush measurement and modelling have apparent limits. In this paper, a new model which can calculate the collision speed from the three-dimensional crush volume estimated using two-dimensional photographic data of the collision crush shape is presented. The equation for the crush volume and the collision speed include the mass of the vehicle, and it is composed as a single equation, disregarding the size of the vehicle. The optimal coefficients were obtained through least-squares curve fitting using National Highway Traffic Safety Administration collision test data, and they were validated through actual vehicle collision tests. Additionally, a photogrammetry method using only photographic data of the collision is suggested for immediate application in reconstruction analysis of an actual accident, which can make the measurement of the crush volume relatively convenient and accurate.

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“…Frontal collisions are defined as having a PDOF of 11, 12, or 1 o'clock, while rear impacts are defined by a 5, 6, or 7 o'clock PDOF. The use of photographs, damage repair estimates, data from the vehicle's event data recorder, or vehicle crush profiles can all be used to establish the Dv and PDOF (74)(75)(76)(77). Vehicles that sustain little or no damage are typical of minor, low-speed collisions in which the Dvs are generally <10 miles per hour (mph).…”

Section: Underlying Biomechanical Principlesmentioning

confidence: 99%

Clinical Significance of the Seat Belt Sign as Evidence of a Compromised Occupant–Seat Belt Relationship

Greenston

Wood

Reinhart

2019

The Journal of Emergency Medicine

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A Three-Dimensional Crush Measurement Methodology using Two-Dimensional Photographs

Cited by 18 publications

References 2 publications

Documentation of evidence and calculation of acceleration in aircraft accident reconstruction

Documentation of evidence and calculation of acceleration in aircraft accident reconstruction

Determination of the collision speed of a vehicle from evaluation of the crush volume using photographs

Clinical Significance of the Seat Belt Sign as Evidence of a Compromised Occupant–Seat Belt Relationship

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