[EN] In this work, explicit expressions to estimate all the transversely isotropic elastic constants of lamellar bone as a function of the volumetric bone mineral density (BMD) are provided. The methodology presented is ...
Vercher Martínez, Ana; Giner Maravilla, Eugenio; Arango Villegas, Camila; Tarancón Caro, José Enrique; Fuenmayor Fernández, Francisco Javier(Springer Verlag (Germany), 2014-04)
Mineralized collagen fibrils have been usually analyzed like a two phase composite material where crystals are considered as platelets that constitute the reinforcement phase. Different models have been used to describe ...
[EN] The superconvergent patch recovery (SPR) technique is widely used in the evaluation of a recovered stress field sigma* from the finite element Solution sigma(fe). Several modifications of the original SPR technique ...
In this work, a three-dimensional finite element model of the staggered distribution of the mineral within the mineralized collagen fibril has been developed to characterize the lamellar bone elastic behavior at the sub-micro ...
Belda González, Ricardo(Universitat Politècnica de València, 2020-09-02)
[EN] Bone fracture is a social health problem of increasing magnitude because of its prevalence in aged population due to osteoporosis. Bone quality is often characterized by bone mineral density (BMD) measured at cancellous ...
Vercher Martínez, Ana(Universitat Politècnica de València, 2010-07-30)
El Método de los Elementos Finitos (MEF) es una herramienta numérica muy empleadas para la resolución de problemas de contorno. Uno de los fundamentos de la aproximación numérica en MEF es la interpolación polinómica, lo ...
García Martínez, Alberto(Universitat Politècnica de València, 2019-10-29)
[ES] El objetivo de este proyecto es producir y validar un modelo tridimensional para el proceso de moldeo por inyección polimérica de componentes ópticos micro estructurados. Para llevar a cabo las simulaciones, se utilizará ...
Opanasenko, Andriy Oleksandrovych(Universitat Politècnica de València, 2021-07-21)
[ES] El objetivo principal de este Trabajo Fin de Grado es modelar un aspecto esencial del comportamiento mecánico de la unidad estructural fundamental del tejido óseo humano en la nano-escala. Este aspecto consiste en ...
Penadés Huesca, Cristina(Universitat Politècnica de València, 2015-05-04)
[ES] El alumno debe realizar un modelo parametrizado de hueso trabecular donde incluya tanto el efecto de la edad como de la tortuosidad de los puntales. El modelo será analizado por el método de elementos finitos para ...
[EN] Background and objective : Elastic and strength properties of lamellar tissue are essential to analyze the mechanical behaviour of bone at the meso- or macro-scale. Although many effort s have been made to model the ...
In this work, we present two strategies for the numerical modelling of microcracks and damage within an osteon. A numerical model of a single osteon under compressive diametral load is developed, including lamellae organized ...
[EN] Open cell polyurethane foams are often used as cancellous bone surrogates because of their similarities in morphology and mechanical response. In this work, open cell polyurethane foams of three different densities ...
Brazález Gabaldón, Diego(Universitat Politècnica de València, 2019-11-19)
[ES] El objetivo de este trabajo es el de crear una herramienta que nos permita analizar las características de un laminado equilibrado y simétrico, y mediante la cual se pueda evaluar la influencia de la secuencia de ...
Palao Bernal, Francisco Adriano(Universitat Politècnica de València, 2017-01-09)
[EN]
This work will thoroughly describes the hierarchical structure of lamellar bone, with the aim of getting an analytical model for the elastic modulus estimation, based upon the content of mineral. To that end, it is ...
Sánchez Jabaloyas, Roberto(Universitat Politècnica de València, 2017-01-09)
[ES] El objeto del presente trabajo fin de grado es el de la obtención de un modelo
analítico de la estructura jerarquizada del hueso lamelar que permita la estimación
de las constantes elásticas del tejido según su ...
[EN] (1) Background: Open-cell polyurethane foam mechanical behavior is highly influenced by microstructure. The determination of the failure mechanisms and the characterization of the deformation modes involved at the ...
Arango Villegas, Camila(Universitat Politècnica de València, 2016-07-14)
[EN] Cortical bone tissue is the responsible of giving support and structure to vertebrates. For that reason, understanding and analyzing its behavior is needed from each different hierarchical level that composes it. The ...
[EN] The passive thermal control of a satellite consists of establishing the necessary thermal parameters involved in the process of heat
transfer by radiation and conduction in order to delimit the range of temperatures ...