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Mostrando ítems 1-20 de 123

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    • A comparison of the performance of two advanced restraint systems in frontal impacts 

      López Valdés, Francisco José; Juste Lorente, Oscar; Pipkorn, Bengt; García Muñoz, Isabel; Sunnevang, Cecilia; Dahlgren, M.; Alba López, Juan José (01/09/2014)
      Objective: The goal of the study is to compare the kinematics and dynamics of the THOR dummy in a frontal impact under the action of 2 state-of-the-art restraint systems. Methods: Ten frontal sled tests were performed with ...
    • A methodology to estimate the kinematics of pediatric occupants in frontal impacts 

      López Valdés, Francisco José; Seacrist, Thomas; Arbogast, Kristy .B.; Balasubramanian, Sriram; Maltese, Matthew R.; Tanji, Hiromasa; Higuchi, Kazuo; Kent, Richard W. (01/05/2012)
      <p><strong>Objective:</strong></p> The goal of this article is to propose a new methodology to estimate the sagittal plane displacement of the head, spine, and pelvis of a 6-year-old (6YO) occupant during a high-speed ...
    • A methodology to obtain kinematic corridors for pediatric occupants in frontal impacts 

      López Valdés, Francisco José; Seacrist, Thomas; Balasubramanian, Sriram; Maltese, Matthew R.; Arbogast, Kristy .B.; Tanji, Hiromasa; Higuchi, Kazuo; Kent, Richard W. (Biomedical Engineering Society of Singapore; Global Enterprise for Micromechanics and Molecular Medi (Singapur, Singapur), 01/08/2010)
      Pediatric Anthropomorphic Test Devices (ATD) provide a reasonable approximation predicting maximum head excursion. However, the exact trajectory followed by the human head and the flexible human spine cannot be replicated ...
    • A new HBM simulation based approach for improved thorax dummy injury criteria 

      Eggers, Andre; Mroz, Krystoffer; Pipkorn, Bengt; López Valdés, Francisco José; Peldschus, Steffen
      To assess occupant safety in a crash test, dummy criteria relating the dummy measurement to injury risk are needed. The development of these criteria and functions are usually based on matched dummy and Post Mortem Human ...
    • A parametric study of hard tissue injury prediction using finite elements: consideration of geometric complexity, sub-failure material properties, CT-thresholding, and element characteristics 

      Arregui-Dalmases, Carlos; Pozo de Dios, Eduardo del; Duprey, Sonia; López Valdés, Francisco José; Lau, Anthony; Subit, Damien; Kent, Richard W. (Sin editorial (Berna, Suiza), 17/09/2008)
      This study quantifies the sensitivity of finite element-predicted fracture in the clavicle to several parameters. Clavicles were harvested from 14 donors (age range 14-56 years). Quasistatic axxal compression tests were ...
    • A parametric study of hard tissue injury prediction using finite elements: consideration of geometric complexity, subfailure material properties, CT-thresholding and element characteristics 

      Arregui-Dalmases, Carlos; Pozo de Dios, Eduardo del; Duprey, Sonia; López Valdés, Francisco José; Lau, Anthony; Subit, Damien; Kent, Richard W. (09/06/2010)
      Objective: The objectives of this study were to examine the axial response of the clavicle under quasistatic compressions replicating the body boundary conditions and to quantify the sensitivity of finite element predicted ...
    • A pilot analysis of crash severity of electric passenger cars in Spain (2016–2020) 

      Sánchez Merchante, Luis Francisco; Martín de Argila Lorente, Carlos; López Valdés, Francisco José (2022-10-04)
      .
    • Accidents of motorcyclists against roadside infrastructure 

      López Valdés, Francisco José; García López, David; Pedrero Muriel, David; Moreno de Castro, Jose Luis (Sin editorial (Dublín, Irlanda), 01/07/2005)
      Powered two wheelers (PTWs) riders are one of the most vulnerable groups of road users. Roadside barriers work quite effectively for passenger cars, but sometimes they are dangerous for motorcyclists, especially guard-rails. ...
    • ADAS and sensor technology 

      Carnicero López, Alberto; López Valdés, Francisco José (09/09/2024)
    • Analysis of occupant kinematics and dynamics in nearside oblique impacts 

      López Valdés, Francisco José; Juste Lorente, Oscar; Maza, Mario; Pipkorn, Bengt; Sunnevang, Cecilia; Lorente Corellano, Ana; Aso, Alberto; Davidsson, Johan (02/09/2016)
      Estudio sobre impactos oblicuos
    • Analysis of occupant kinematics and dynamics in nearside oblique impacts 

      López Valdés, Francisco José; Juste Lorente, Oscar; Maza Frechín, Mario Vicente; Pipkorn, Bengt; Sunnevang, Cecilia; Lorente Corellano, Ana I.; Aso Vizán, Alberto; Davidsson, Johan (12/09/2016)
      OBJECTIVE: The objective of this article is to analyze the kinematics and dynamics of restrained postmortem human surrogates (PMHS) exposed to a nearside oblique impact and the injuries that were found after the ...
    • Analysis of the spinal 3D motion of post-mortem human surrogates in nearside oblique impacts 

      Piqueras Lorente, Ana; Pipkorn, Bengt; Iraeus, Johan; Lorente Corellano, Ana I.; Juste Lorente, Oscar; Maza Frechín, Mario Vicente; López Valdés, Francisco José (2023-01-02)
      Objective: The objective of this study is to analyse the 6 degrees of freedom (DOF) motion of the spine using the finite helical axis (FHA) in three post-mortem human surrogates (PMHS) sled tests. Methods: The sled test ...
    • Analyzing traffic conflicts and the behavior of motorcyclists at unsignalized three-legged and four-legged intersections in Cartagena, Colombia 

      Ospina Mateus, Holman; Quintana Jiménez, Leonardo Augusto; López Valdés, Francisco José (2023-10-01)
      Introduction The global motorcycle market has grown significantly, with over 770 million vehicles estimated to be in use worldwide. Motorcycle-related road traffic deaths in low and middle-income countries (LMICs) like ...
    • Are Electric Cars Safe? A Descriptive Analysis of the first collisions reported in Spain 

      López Valdés, Francisco José; Ruiz López-Guerrero, Roberto; Frías Marín, Pablo; Román Úbeda, Jaime; Seguí Gómez, María
      Análisis descriptivo de la siniestralidad de vehículos eléctricos en España según los datos publicados por la DGT en el periodo 2014-2016
    • Assessment of an innovative seat belt with independent control of the shoulder and lap portions using THOR tests, the THUMS model, and PMHS tests 

      Pipkorn, Bengt; López Valdés, Francisco José; Juste Lorente, Oscar; Insausti, Ricardo; Lundgren, Christer; Sunnevang, Cecilia (02/09/2016)
      Evaluación de sistemas de retención innovadores
    • Assessment of an innovative seatbelt with independent control of the shoulder and lap portions using THOR tests, the THUMS model and PMHS tests 

      Pipkorn, Bengt; López Valdés, Francisco José; Juste Lorente, Oscar; Insausti Serrano, Ricardo; Lundgren, Christer; Sunnevang, Cecilia (12/09/2016)
      Objectives: The objective of this study was to determine the potential chest injury benefits and influence on occupant kinematics of a belt system with independent control of the shoulder and lap portions. Methods: This ...
    • Assessment of in situ chest deflection of post mortem human subjects (PMHS) and personalized human body models (HBM) in nearside oblique impacts 

      Piqueras Lorente, Ana; Pipkorn, Bengt; Iraeus, Johan; Maza Frechín, Mario Vicente; López Valdés, Francisco José (2022-03-29)
      Objective The present study has three objectives: First, to analyze the chest deflection measured in nearside oblique tests performed with three post mortem human subjects (PMHS). Second, to assess the capability of a HBM ...
    • Assessment of the sensitivity of thoracic injury criteria to subject-specific characteristics using human body models 

      Piqueras Lorente, Ana; Iraeus, Johan; Pipkorn, Bengt; López Valdés, Francisco José (2023-12-31)
      Introduction: Chest deformation has been proposed as the best predictor of thoracic injury risk in frontal impacts. Finite Element Human Body Models (FE-HBM) can enhance the results obtained in physical crash tests with ...
    • Assessment of the sensitivity of thoracic injury criteria to subject-specific characteristics using human body models 

      Piqueras Lorente, Ana; Iraeus, Johan; Pipkorn, Bengt; López Valdés, Francisco José (13/02/2023)
      Introduction: Chest deformation has been proposed as the best predictor of thoracic injury risk in frontal impacts. Finite Element Human Body Models (FE-HBM) can enhance the results obtained in physical crash tests with ...
    • Bibliometric analysis in motorcycle accident research: a global overview 

      Ospina Mateus, Holman; Quintana Jiménez, Leonardo Augusto; López Valdés, Francisco José; Salas Navarro, Katherinne (2019-11-01)
      770 million motorcycles are estimated on the roads. Motorcyclists represent more than 380,000 annual deaths worldwide. 28 of the global fatalities in the roads in 2016. With the increase of the accident rate, studies have ...

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      Contacto | Sugerencias