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  • Side impact PMHS thoracic response with large-volume air bag

     Shaw, Greg; Lessley, David J.; Ash, Joseph L.; Sochor, Mark R.; Crandall, Jeff R.; Luzon Narro, Benito Javier; Arregui Dalmases, Carlos
    Traffic Injury Prevention
    Date of publication: 2014-01-01
    Journal article

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    Objective: The objective of this study is to assess the response of postmortem human subjects (PMHS) to a large-volume side air bag in a fully instrumented and well-controlled side impact test condition. Methods: Three adult male PMHS were subjected to right-side pure lateral impacts. Each stationary seated subject was struck at 4.3 0.1m/s by a rigid wall installed on a 1700-kg rail-mounted sled. Each subject was held stationary by a system of tethers until immediately prior to being impacted by the moving wall. A large side air bag was mounted to the wall and deployed so that it was fully inflated at the time it contacted the subject's right side. The load wall consisted of an adjustable matrix of 15 individual plates, each supported by a 5-axis load cell that recorded the interaction between the subject and impacting wall. Two-dimensional (external) torso deformation was provided by a chest band that encircled the torso at the level of the sixth rib laterally. Triaxial acceleration was measured at the head, spine, and sacrum via 3 orthogonal accelerometers mounted to the same bone-mounted hardware that held the marker clusters used for kinematic analysis. Results: Peak pelvic load normal to the wall averaged 6.8 kN, which was over 5times that recorded for the shoulder (1.3 kN) and the thorax (1.2 kN). Lateral chest deflection ranged from 9 to 21mm. Two of the 3 subjects sustained 2 and 9 fractures, respectively. Conclusions: Two of the 3 PMHS sustained rib fractures despite low levels of thorax deflection. We attribute this finding to individual variability in subject injury tolerance. Other response parameters exhibited lower levels of variability and characterize PMHS response to a potentially beneficial side impact countermeasure. Supplemental materials are available for this article. Go to the publisher's online edition of Traffic Injury Prevention to view the supplemental file.

  • Innovative passive and active countermeasures for near side crash safety

     Luzon Narro, Benito Javier; Arregui Dalmases, Carlos; Hernando, Luis M.; Core, Emiliano; Narbona, Alberto; Selgas, Carlos
    International journal of crashworthiness
    Date of publication: 2013-06-06
    Journal article

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    This research presents six simultaneous innovative occupant near side lateral impact protection concepts, including a dynamic door, a high-volume side airbag, a large external airbag that covers doors, sill and B-pillar of the struck vehicle and other concepts for increasing the distance between the occupant and the door panel (active armrest, inflatable door beam and moving seat). All systems are based on pre-crash detection of the impact and are activated as soon as 80 ms before the impact. This paper details the task of integrating these systems into a vehicle using finite element models, sled tests and full scale crash tests.

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    Comparison of kinematics of GHBMC to PMHS on the side impact condition  Open access

     Park, Gwansik; Kim, Taewung; Crandall, Jeff R.; Arregui Dalmases, Carlos; Luzon Narro, Benito Javier
    International Research Council on the Biomechanics of Injury Conference
    Presentation's date: 2013-09-11
    Presentation of work at congresses

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    The goal of this study was to evaluate the biofidelity of the Global Human Body Models Consortium (GHBMC) human body model under a side impact loading condition with an airbag, and analyze the effect of initial position of the model on the response. Shaw et al. conducted side impact sled tests using three Post mortem human surrogates (PMHS) with impact speeds of 4.3 ± 0.1 m/s, and used a rigid wall boundary condition with an airbag mounted to the sled. The correlation between the PMHS and the GHBMC was evaluated using the CORA rating method. The rating ranged from 0.27 to 0.69 along the body regions on a scale in which a rating of 1.0 indicated a perfect correlation between the PMHS and the GHBMC. The pelvis and thorax region showed good correlation with those of the PMHS while the spinal regions did not. In addition, the roll and yaw angle of the initial position of the PMHS had an effect on the response of subjects. The result of this research indicated two points, that the GHBMC model should be validated focusing on the internal biofidelity of the model, and that the yaw and roll angle should be carefully controlled during a side impact test.

    The goal of this study was to evaluate the biofidelity of the Global Human Body Models Consortium (GHBMC) human body model under a side impact loading condition with an airbag, and analyze the effect of initial position of the model on the response. Shaw et al. conducted side impact sled tests using three Post mortem human surrogates (PMHS) with impact speeds of 4.3 ± 0.1 m/s, and used a rigid wall boundary condition with an airbag mounted to the sled. The correlation between the PMHS and the GHBMC was evaluated using the CORA rating method. The rating ranged from 0.27 to 0.69 along the body regions on a scale in which a rating of 1.0 indicated a perfect correlation between the PMHS and the GHBMC. The pelvis and thorax region showed good correlation with those of the PMHS while the spinal regions did not. In addition, the roll and yaw angle of the initial position of the PMHS had an effect on the response of subjects. The result of this research indicated two points, that the GHBMC model should be validated focusing on the internal biofidelity of the model, and that the yaw and roll angle should be carefully controlled during a side impact test.

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    Innovative passive and active countermeasures for near side crash safety  Open access

     Luzon Narro, Benito Javier; Arregui Dalmases, Carlos; Hernando, Luis M.; Core, Emiliano; Narbona, Alberto; Selgas, Carlos
    International Crashworthiness Conference
    Presentation's date: 2012-07-20
    Presentation of work at congresses

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    This research presents six simultaneous innovative occupant near side lateral impact protection concepts including a dynamic door, high-volume side airbag, a large external airbag that covers doors, sill and B-pillar of the struck vehicle and other concepts for increasing the distance between the occupant and the door panel (active armrest, inflatable door beam and moving seat). All systems are based on pre crash detection of the impact and are activated as soon as 80ms before the impact. This paper details the task of integrating these systems into a vehicle using FE models, sled tests, and full scale crash tests. Sled test dummy responses were compared with and without the countermeasures.

  • Consideraciones acerca del diseño del vehículo para el rescate de ocupantes

     Luzon Narro, Benito Javier; Arregui Dalmases, Carlos
    Date of publication: 2011-09-01
    Book chapter

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  • Rescate de ocupantes involucrados en accidentes de tráfico

     Josetxo, Andueza Izquierdo; Arregui Dalmases, Carlos; Luzon Narro, Benito Javier
    Date of publication: 2011-09-01
    Book chapter

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  • Retos de futuro para la biomecánica del impacto aplicada al accidente de tráfico

     Seguí Gómez, María; López Valdés, Francisco; Del Pozo de Dios, Eduardo; Luzon Narro, Benito Javier; Arregui Dalmases, Carlos
    Date of publication: 2011-09-01
    Book chapter

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  • Protección de peatones

     Arregui Dalmases, Carlos; Kerrigan, Jason; Luzon Narro, Benito Javier
    Date of publication: 2011-09-01
    Book chapter

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  • Sistemas de protección al ocupante

     Luzon Narro, Benito Javier; Arregui Dalmases, Carlos; Del Pozo de Dios, Eduardo
    Date of publication: 2011-09-01
    Book chapter

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  • Evolución histórica de la biomecánica del impacto

     Luzon Narro, Benito Javier; Del Pozo de Dios, Eduardo; Arregui Dalmases, Carlos
    Date of publication: 2011-09-01
    Book chapter

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  • Conceptos físicos aplicados al accidente de tráfico

     Arregui Dalmases, Carlos; Luzon Narro, Benito Javier; Del Pozo de Dios, Eduardo
    Date of publication: 2011-09-01
    Book chapter

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  • Experimentación con cadáveres humanos

     Guillemot, Hervé; Arregui Dalmases, Carlos; Luzon Narro, Benito Javier
    Date of publication: 2011-09-01
    Book chapter

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  • Biomecánica del impacto aplicada al accidente de tráfico

     Bose, Dipan; Lessley, david; Crandall, Jeff R.; Arregui Dalmases, Carlos; Luzon Narro, Benito Javier
    Date of publication: 2011-09-01
    Book chapter

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  • Biomecánica del impacto aplicada a los accidentes de tránsito, una asignatura interuniversitaria de marcado carácter social

     Velazquez Ameijide, Juan; Sanchez Molina, David; Martinez González, Eva; Luzon Narro, Benito Javier; Arregui Dalmases, Carlos
    Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas
    Presentation's date: 2011-07-07
    Presentation of work at congresses

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  • Fundamentos de biomecánica en las lesiones por accidente de tráfico

     Arregui Dalmases, Carlos; Luzon Narro, Benito Javier; López Valdés, Francisco; Del Pozo de Dios, Eduardo; Seguí Gómez, María
    Date of publication: 2011-09-01
    Book

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  • PREMI AL MILLOR PROJECTE FI DE CARRERA

     Fernández Rodríguez, Darío; Luzon Narro, Benito Javier
    Award or recognition

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  • Fundamentos de biomecánica en las lesiones por accidente de tráfico

     Arregui Dalmases, Carlos
    Date of publication: 2007-07-02
    Book

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  • La epidemiología como herramienta de estudio para la prevención de lesiones por accidente de tráfico (Parte 1)

     Luzon Narro, Benito Javier; Seguí Gómez, María; López Valdés, Francisco; Arregui Dalmases, Carlos
    STA: revista de la Sociedad de Técnicos de Automoción
    Date of publication: 2006-01-01
    Journal article

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    [...]En el presente artículo se resumen algunos de los aspectos y se comenta acerca de la reciente creación en todo el mundo de equipos multidisciplinares que realizan de manera sistemática investigaciones “en profundidad” (“in-depth”) de los accidentes de tráfico.

  • La epidemiología como herramienta de estudio para la prevención de lesiones por accidente de tráfico (Parte 2)

     Luzon Narro, Benito Javier; Seguí Gómez, María; López Valdés, Francisco; Arregui Dalmases, Carlos
    STA: revista de la Sociedad de Técnicos de Automoción
    Date of publication: 2006-03-01
    Journal article

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    Clasificación de la gravedad de las lesiones; Investigación de los accidentes "en profundidad".

    Continuació de l'article "La epidemiología como herramienta de estudio para la prevención de lesiones por accidente de tráfico (Parte 1)" http://hdl.handle.net/2117/15731

  • Biomecánica del impacto aplicada a los accidentes de tránsito

     Arregui Dalmases, Carlos; Luzon Narro, Benito Javier; Camps Anaya, Germinal; Llumà Fuentes, Jordi; Ruiz Moya, Carlos
    Congreso Universitario de Innovación Educativa en las Enseñanzas Técnicas
    Presentation's date: 2004-07-26
    Presentation of work at congresses

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  • Visión global de la protección de peatones en la industria de automoción

     Luzon Narro, Benito Javier; Arregui Dalmases, Carlos
    STA: revista de la Sociedad de Técnicos de Automoción
    Date of publication: 2002-02-01
    Journal article

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    Descripció i anàlisi de la seqüència de l'atropellament d'un peató.