Exploració per tema "Resistència de materials"
Ara es mostren els items 1-20 de 352
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A blended shifted-fracture/phase-field framework for sharp/diffuse crack modeling
(2023-02-28)
Article
Accés obertThe shifted fracture method (SFM) is an embedded method that enables sharp crack representations while using mesh-fitted data structures. In the SFM, the true crack is embedded in the computational grid, but the crack ... -
A boundary algebraic formulation for plane strain elastodynamic scattering
(Society for Industrial and Applied Mathematics (SIAM), 2018)
Article
Accés obertSolving of elastodynamic problems arises in many scientific fields such as wave propagation in the ground, non-destructive testing, vibration design of buildings, or vibroacoustics in general. An integral formulation based ... -
A combined XFEM phase-field computational model for crack growth without remeshing
(Springer, 2020-10-07)
Article
Accés obertThis paper presents an adaptive strategy for phase-field simulations with transition to fracture. The phase-field equations are solved only in small subdomains around crack tips to determine propagation, while an XFEM ... -
A comparative study on homogenization strategies for multi-scale analysis of materials
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013-02-01)
Llibre
Accés obertOne of the most important engineering tasks over the years has been the design and manufacture of increasingly sophisticated structural materials as a result of the requirements related to the technological progress. In ... -
A complementary energy approach accommodates scale differences in soft tissues
(2020-05-01)
Article
Accés obertThe mechanics of biological entities, from single molecules to the whole organ, has been extensively analyzed during the last decades. At the smaller scales, statistical mechanics has fostered successful physical models ... -
A computational model for early cell spreading, migration, and competing taxis
(Elsevier, 2023-10)
Article
Accés obertCell motility represents one of the most fundamental functions in life such as organ development or tissue regeneration and diseases such as cancer. Here, we derived a computational model of cell motility that incorporates ... -
A face-centred finite volume approach for coupled transport phenomena and fluid flow
(2024-01-01)
Article
Accés obertWe present a particular derivation of the face-centred finite volume (FCFV) method and study its performance in non-linear, coupled transport problems commonly encountered in geoscientific and geotechnical applications. ... -
A finite element approach to the simulation of hydraulic fractures with lag
(2013)
Article
Accés obertWe presented a finite-element-based algorithm to simulate plane-strain, straight hydraulic fractures in an impermeable elastic medium. The algorithm acCOllllts for the nonlinear coupling between the fluid pressure and the ... -
A four-noded quadrilateral element for composite laminated plates/shell using the refined zigzag theory
(2012-06)
Report de recerca
Accés obertA new bilinear 4-noded quadrilateral element (called QLRZ) for the analysis of composite laminated and sandwich plates/shells based on the refined zigzag theory (RZT) proposed by Tessler et al. [1] is presented. The element ... -
A general methodology for deriving shear contrained Reissner Mindlin plate elements
(1990-06)
Report de recerca
Accés obert -
A genetic algorithm optimized fractal model to predict the constriction resistance from surface roughness measurements
(2017-06-09)
Article
Accés obertThe electrical contact resistance greatly influences the thermal behavior of substation connectors and other electrical equipment. During the design stage of such electrical devices, it is essential to accurately predict ... -
A new bipenalty formulation for ensuring time step stability in time domain computational dynamics
(John Wiley & Sons, 2012-04-20)
Article
Accés obert -
A new computational tool for non-linear multi-material Continuum Mechanics
(Scipedia, 2019)
Comunicació de congrés
Accés restringit per política de l'editorial -
A second-order face-centred finite volume method for elliptic problems
(2020-01-01)
Article
Accés obertA second-order face-centred finite volume method (FCFV) is proposed. Contrary to the more popular cell-centred and vertex-centred finite volume (FV) techniques, the proposed method defines the solution on the faces of the ... -
A simple microstructural viscoelastic model for flowing foams
(2019-03)
Article
Accés obertThe numerical modelling of forming processes involving the flow of foams requires taking into account the different problem scales. Thus, in industrial applications a macroscopic approach is suitable, whereas the macroscopic ... -
A stable XFEM formulation for multi-phase problems enforcing the accuracy of the fluxes through Lagrange multipliers
(2013-11-02)
Article
Accés obertWhen applied to diffusion problems in a multi-phase setup, the popular extended finite element method (XFEM) strategy suffers from an inaccurate representation of the local fluxes in the vicinity of the interface. The XFEM ... -
A stochastic model for soft tissue failure using acoustic emission data
(2015-07-15)
Article
Accés obertThe strength of soft tissues is due mainly to collagen fibers. In most collagenous tissues, the arrangement of the fibers is random, but has preferred directions. The random arrangement makes it difficult to make deterministic ... -
Adaptive phase-field modeling of fracture in orthotropic composites
(2023-11-15)
Article
Accés restringit per política de l'editorialAn adaptive phase-field method is developed and applied to model fracture propagation in orthotropic composites. The proposed approach extends the work of Muixí et al. (2020) to orthotropic composites through following ... -
Additioning alfa fibres in cement mortar
(Universidad Católica de Chile (UC), 2018)
Article
Accés obertCement mortar is a broadly used construction material. Adding fibres into the fresh mortar is an effective reinforcing technique to overcome the drawbacks related with the little tensile and flexural strength. Using natural ... -
Adecuación del modelo docente presencial de la asignatura de MCyRM del departamento de RMEE a un modelo híbrido
(Universitat Politècnica de Catalunya, 2021-01-13)
Treball Final de Grau
Accés restringit per decisió de l'autor