Exploració per autor "Velázquez Ameijide, Juan"
Ara es mostren els items 12-26 de 26
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Estudio de la frecuencia de ocurrencia de accidentes de tráfico mediante procesos estocásticos de Pascal-Pólya
Sánchez Molina, David; García Vilana, Silvia; Velázquez Ameijide, Juan; Arregui Dalmases, Carlos (Sociedad Ibérica de Biomecánica y Biomateriales, 2018)
Article
Accés obertObjetivo: (1) Plantear un modelo estocástico adecuado para la frecuencia de accidentes, que permita analizar tanto la peligrosidad, como la exposición al riesgo. (2) Introducir los conceptos de macroaccidentalidad y ... -
Influence of anthopometric variables on the mechanical properties of human rib cortical bone
Velázquez Ameijide, Juan; García Vilana, Silvia; Sánchez Molina, David; Martínez González, Eva; Llumà Fuentes, Jordi; Rebollo-Soria, M. Carmen; Arregui Dalmases, Carlos (Institute of Physics (IOP), 2021-05-01)
Article
Accés obertObjective. The mechanical properties of ribs from a large number of post-mortem human subjects (PMHS) were analyzed to search for variation according to age, sex or BMI in the sample. A large sample of specimens from ... -
Injury metrics for assessing the risk of acute subdural hematoma in traumatic events
García Vilana, Silvia; Sánchez Molina, David; Velázquez Ameijide, Juan; Llumà Fuentes, Jordi (2021-12-17)
Article
Accés obertWorldwide, the ocurrence of acute subdural hematomas (ASDHs) in road traffic crashes is a major public health problem. ASDHs are usually produced by loss of structural integrity of one of the cerebral bridging veins (CBVs) ... -
Injury pattern in lethal motorbikes-pedestrian collisions, in the area of Barcelona, Spain
Rebollo-Soria, M. Carmen; Arregui Dalmases, Carlos; Sánchez Molina, David; Velázquez Ameijide, Juan; Galtés Vicente, Ignasi (2016-08-03)
Article
Accés obertIntroduction: There are several studies about M1 type vehicle-pedestrian collision injury pattern, and based on them, there has been several changes in automobiles for pedestrian protection. However, the lack of sufficient ... -
Mechanical behavior of blood vessels: elastic and viscoelastic contributions
Sánchez Molina, David; García Vilana, Silvia; Llumà Fuentes, Jordi; Galtés Vicente, Ignasi; Velázquez Ameijide, Juan; Rebollo-Soria, M. Carmen; Arregui Dalmases, Carlos (2021-08-26)
Article
Accés obertThe mechanical properties of the cerebral bridging veins (CBVs) were studied using advanced microtensile equipment. Detailed high-quality curves were obtained at different strain rates, showing a clearly nonlinear stress–strain ... -
Modelo constitutivo para tejido óseo humano : propiedades mecánicas del hueso cortical de costilla
Velázquez Ameijide, Juan (Universitat Politècnica de Catalunya, 2015-03-23)
Tesi
Accés obertThis dissertation deals with obtaining the mechanical properties of the cortical bone of the human ribs. One hundred one samples from 76 donors were tested for this study. The number of tested samples significantly ... -
New insights in the analysis of blunt force trauma in human bones. Preliminary results
Scheirs, Sarah; Malgosa, Assumpció; Sánchez Molina, David; Ortega-Sánchez, Marisa; Velázquez Ameijide, Juan; Arregui Dalmases, Carlos; Medallo-Muñiz, Jordi; Galtés Vicente, Ignasi (2017-01-10)
Article
Accés obertDetermining the time of injury is an important but still a challenging task in forensic anthropology. In literature, many descriptions can be found to make a distinction between perimortem and postmortem fractures. Char ... -
Prediction of mechanical properties of human rib cortical bone using fractal dimension
Velázquez Ameijide, Juan; García Vilana, Silvia; Sánchez Molina, David; Llumà Fuentes, Jordi; Martínez González, Eva; Rebollo-Soria, M. Carmen; Arregui Dalmases, Carlos (Gordon and Breach Science Publishers, 2020-10-26)
Article
Accés obertA large number of post mortem human subjects was used to investigate the relation between the micro-structure of rib cortical bone and the mechanical properties using Fractal Dimension. Uniaxial tensile tests were performed ... -
Probabilistic assessment for clavicle fracture under compression loading: rate-dependent behavior
Sánchez Molina, David; García Vilana, Silvia; Velázquez Ameijide, Juan; Arregui Dalmases, Carlos (2020-10)
Article
Accés obertPedestrians, motorcyclists, and occupants of vehicle involved in side impacts can suffer lateral impacts at the shoulder with sufficiently high forces to fracture the clavicle. While some previous studies have developed a ... -
Relation between mechanical and densimetric properties to fractal dimension in human rib cortical bone
García Vilana, Silvia; Sánchez Molina, David; Velázquez Ameijide, Juan; Llumà Fuentes, Jordi; Arregui Dalmases, Carlos (2023-07)
Article
Accés restringit per política de l'editorialNumerous prior studies hypothesized a power-law relationship () between cortical bone Young's modulus (E) and density (¿) with an exponent , that has not been previously justified in the literature on a theoretical level. ... -
TEORIA DE ESTRUCTURES I CONSTRUCCIONS INDUSTRIALS (Examen Final)
Velázquez Ameijide, Juan (Universitat Politècnica de Catalunya, 2005-01-17)
Examen
Accés restringit a la comunitat UPC -
TEORIA DE ESTRUCTURES I CONSTRUCCIONS INDUSTRIALS (Examen Final)
Velázquez Ameijide, Juan (Universitat Politècnica de Catalunya, 2003-06-16)
Examen
Accés restringit a la comunitat UPC -
TEORIA DE ESTRUCTURES I CONSTRUCCIONS INDUSTRIALS (Examen Final)
Velázquez Ameijide, Juan (Universitat Politècnica de Catalunya, 2004-06-16)
Examen
Accés restringit a la comunitat UPC -
Traumatic brain injury in pedestrian–vehicle collisions: Convexity and suitability of some functionals used as injury metrics
Sánchez Molina, David; Arregui Dalmases, Carlos; Velázquez Ameijide, Juan; Angelini, Massimo; Kerrigan, Jason; Crandall, Jeff R. (2016-11-01)
Article
Accés obertBackground and Objective: Abrupt accelerations or decelerations can cause large strain in brain tissues and, consequently, different forms of Traumatic Brain Injury (TBI). In order to predict the effect of the accelerations ... -
Viscoelastic characterization of parasagittal bridging veins and implications for traumatic brain injury: a pilot study
García Vilana, Silvia; Sánchez Molina, David; Llumà Fuentes, Jordi; Galtés Vicente, Ignasi; Velázquez Ameijide, Juan; Rebollo Soria, María Carmen; Arregui Dalmases, Carlos (2021-10-18)
Article
Accés obertMany previous studies on the mechanical properties of Parasagittal Bridging Veins (PSBVs) found that strain rate had a significant effect on some mechanical properties, but did not extensively study the viscoelastic effects, ...