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Listar por palabra clave "Anisotropy"

Mostrando ítems 1-20 de 20

Analysis of equivalent anisotropy arising from dual isotropic layers of acoustic media

Cai, Liang-Wu; Sánchez-Dehesa Moreno-Cid, José (Acoustical Society of America, 2012-10)

The equivalence between a single mass-anisotropic layer and two isotropic layers is analyzed by studying two systems: one consists of an anisotropic layer sandwiched between two arbitrarily chosen isotropic media; and the ...
Analysis of roundness profiles of metal cups after ironing with conventional and adjustable punches

Pastor Robert, Marta Celia (Universitat Politècnica de València, 2023-10-13)

[ES] El proyecto aquí presente se llevará a cabo en el laboratorio perteneciente al dpto de Ingeniería Mecánica y Civil, en la subsección de Ingeniería de Fabricación, de la DTU (Tecnical University of Denamrk), con una ...
Análisis y optimización, mediante simulación numérica y correlación experimental, de estructuras TPMS tipo giroide bajo carga de compresión cuasiestática, como potenciales sustitutos del hueso trabecular

Zheng, Jiani (Universitat Politècnica de València, 2023-07-25)

[ES] El Trabajo Fin de Máster propuesto tiene como objetivo principal la búsqueda de estructuras ligeras, resistentes y fácilmente fabricables con propiedades mecánicas a compresión análogas a las exhibidas por el hueso ...
Anisotropic finite strain viscoelasticity based on the Sidoroff multiplicative decomposition and logarithmic strains

Latorre, Marcos; Montáns, Francisco Javier (Springer-Verlag, 2015-08-02)

[EN] In this paper a purely phenomenological formulation and finite element numerical implementation for quasi-incompressible transversely isotropic and orthotropic materials is presented. The stored energy is composed of ...
Assessment of the dielectric anisotropy in timber using the nondestructive GPR technique

Martínez Sala, Rosa María; Rodríguez Abad, Isabel; Díez Barra, Rafael; Capuz Lladró, Rafael (Elsevier, 2013-01-01)

In the realm of architecture ground-penetrating radar has been used as nondestructive technique to assess physical properties of wood structures in situ. However, a better understanding of the dielectric anisotropy of ...
Capturing anisotropic constitutive models with WYPiWYG hyperelasticity; and on consistency with the infinitesimal theory at all deformation levels

De Rosa, Erica; Latorre, Marcos; Montáns, Francisco Javier (Elsevier, 2017-11)

[EN] The elastic nonlinear behavior of fiber-reinforced materials and soft biological tissues is analyzed using anisotropic hyperelastic models. Frequently, these models are not compatible with the corresponding infinitesimal ...
Compact schemes for anisotropic reaction diffusion equations with adaptive time step

Heidenreich, E.A.; Gaspar, F.J.; Ferrero De Loma-Osorio, J.M.; Rodríguez, J.F. (John Wiley & Sons, 2010)

[EN] Many problems in biology and engineering are governed by anisotropic reaction diffusion equations with a very rapidly varying reaction term. These characteristics of the system imply the use of very line meshes and ...
Determination of the WYPiWYG strain energy density of skin through finite element analysis of the experiments on circular specimens

Romero, Xavier; Latorre, Marcos; Montáns, Francisco Javier (Elsevier, 2017-10-15)

[EN] Skin is a biological material which mechanical behavior has large variations depending on the individual and the location of the specimen in that individual, among other factors. Large differences are also encountered ...
Electromagnetic absorption in anisotropic photonic crystal of alumina cylinders

Carbonell Olivares, Jorge; Sánchez-Dehesa Moreno-Cid, José; Arriaga, J.; Gumen, L.; Krokhin, A. (Elsevier, 2011)

[EN] We present a theoretical and experimental study of the effective permittivity of a photonic crystal (PC) made of parallel dielectric rods in the long-wavelength limit. Using the plane-wave expansion method we derive ...
Experimental and theoretical study of dense YBO3 and the influence of non-hydrostaticity.

Turnbull, Robin; Errandonea, Daniel; Cuenca-Gotor, Vanesa Paula; Sans-Tresserras, Juan Ángel; Gomis, O.; Gonzalez, Alfonso; Rodríguez-Hernandez, Placida; Popescu, Catalin; Bettinelli, Marco; Mishra, Karuna K.; Manjón, Francisco-Javier (Elsevier, 2021-01-05)

[EN] YBO3 is used in photonics applications as a host for red phosphors due to its desirable chemical stability, high quantum efficiency and luminescence intensity. Despite its fundamental thermodynamic nature, the isothermal ...
Experimental realization of broadband tunable resonators based on anisotropic metafluids

Spiousas, Ignacio; Torrent Martí, Daniel; Sánchez-Dehesa Moreno-Cid, José (American Institute of Physics, 2011-06-13)

This letter demonstrates the mechanical tuning of modes confined in two-dimensional acoustic cavities based on anisotropic metafluids. The employed metafluids have been designed with effective parameters such that the ...
Fully anisotropic finite strain viscoelasticity based on a reverse multiplicative decomposition and logarithmic strains

Latorre, Marcos; Montáns, Francisco Javier (Elsevier, 2016-01-15)

[EN] In this paper we present a novel formulation for phenomenological anisotropic finite visco-hyperelasticity. The formulation is based on a multiplicative decomposition of the equilibrated deformation gradient into ...
High-pressure study of the structural and elastic properties of defect-chalcopyrite HgGa2Se4

Gomis Hilario, Oscar; Vilaplana Cerda, Rosario Isabel; Manjón Herrera, Francisco Javier; Santamaría-Pérez, D.; Errandonea, D.; Pérez-González, E.; López-Solano, J.; Rodríguez-Hernández, P.; Muñoz, Alfonso; Tiginyanu, Ivan; Ursaki, Veacheslav (American Institute of Physics (AIP), 2013-02-20)

In this work, we focus on the study of the structural and elastic properties of mercury digallium selenide (HgGa2Se4) which belongs to the family of AB 2 X 4 ordered-vacancy compounds with tetragonal defect chalcopyrite ...
Material-symmetries congruency in transversely isotropic and orthotropic hyperelastic materials

Latorre, Marcos; Montáns, Francisco Javier (Elsevier, 2015-10)

[EN] In this work we present the material-symmetries congruency property for anisotropic hyperelastic materials. A transversely isotropic or orthotropic material model holding this property guarantees the recovery of the ...
Model-independent search for neutrino sources with the ANTARES neutrino telescope

Albert, A.; Andre, M.; Anghinolfi, M.; Anton, G.; Ardid Ramírez, Miguel; Aubert, J. J.; Avgitas, T.; Baret, B.; Barrios-Marti, J.; Basa, S.; Bertin, V.; Biagi, S.; Bormuth, R.; Bourret, S.; Bouwhuis, M. C.; Felis-Enguix, Iván; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María (Elsevier, 2020-01)

[EN] A novel method to analyse the spatial distribution of neutrino candidates recorded with the ANTARES neutrino telescope is introduced, searching for an excess of neutrinos in a region of arbitrary size and shape from ...
Multidisciplinary approach to cylindrical anisotropic metamaterials

Carbonell Olivares, Jorge; Torrent Martí, Daniel; Díaz Rubio, Ana; Sánchez-Dehesa Moreno-Cid, José (IOP Publishing: Open Access Journals, 2011)

Anisotropic characteristics of cylindrically corrugated microstructures are analyzed in terms of their acoustic and electromagnetic (EM) behavior paying special attention to their differences and similarities. A simple ...
Numerical study of the impact response and ballistic limit of AA2024 friction stir welded aircraft panels

Azorín Albero, Adrián (Universitat Politècnica de València, 2015-06-01)

Friction Stir Welding is a novel environmentally friendly welding technique able to produce higher joint properties than conventional processes. It has become an attractive process for many manufacturers in the last years, ...
On the tension-compression switch of the Gasser-Ogden-Holzapfel model: Analysis and a new pre-integrated proposal

Latorre, Marcos; Montáns, Francisco Javier (Elsevier, 2016-04)

[EN] Many biological soft tissues are structurally composed of a mostly isotropic matrix (elastin) and fibers (collagen). These fibers are not perfectly aligned but dispersed around some referential, preferred directions. ...
Strain-Level Dependent Nonequilibrium Anisotropic Viscoelasticity: Application to the Abdominal Muscle

Latorre, Marcos; Montáns, Francisco Javier (ASME International, 2017-08-16)

[EN] Soft connective tissues sustain large strains of viscoelastic nature. The rate-independent component is frequently modeled by means of anisotropic hyperelastic models. The rate-dependent component is usually modeled ...
Use of thermal conductivity from thermal response test for estimating steady-state temperatures in rock and stratified soil near a line source of heat

Bandos, Tetyana; Montero Reguera, Álvaro Enrique; Fernández de Córdoba Castellá, Pedro José; Urchueguía Schölzel, Javier Fermín (Taylor & Francis, 2011)

This article addresses the influence of anisotropy of the ground on steady-state temperature in the surroundings of vertical borehole and effective thermal conductivity measured by a field thermal response test. This is a ...