Mostrando 10 resultados de: 29
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International Journal for Numerical Methods in Engineering(5)
International Journal of Mechanical Sciences(2)
Advanced Modeling and Simulation in Engineering Sciences(1)
Archives of Computational Methods in Engineering(1)
Computational Mechanics(1)
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Ingeniería civil(11)
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A micromechanics-based variational phase-field model for fracture in geomaterials with brittle-tensile and compressive-ductile behavior
ArticleAbstract: This paper presents a framework for modeling failure in quasi-brittle geomaterials under different lPalabras claves:Fracture, Frictional plasticity, Gradient-damage/phase-field models, Micromechanics, Non-associative plasticity, Quasi-brittle geomaterials, variational formulationAutores:Alessi R., Degrande G., François S., Jacinto Ulloa, Patricio Xavier Lazo Jara, Wambacq J.Fuentes:googlescopusA phase-field model for ductile fracture with shear bands: A parallel implementation
ArticleAbstract: Modeling complex material failure with competing mechanisms is a difficult task that often leads toPalabras claves:ductile fracture, Parallel implementation, Phase-field, Shear bandAutores:Houzeaux G., Jacinto Ulloa, Patricio Rodríguez, Patricio Xavier Lazo Jara, Samaniego C., Vázquez M.Fuentes:scopusA simple circular cell method for multilevel finite element analysis
ArticleAbstract: A simple multiscale analysis framework for heterogeneous solids based on a computational homogenizatPalabras claves:Autores:Patricio Xavier Lazo Jara, Rabczuk T., Silani M., Talebi H., Zi G.Fuentes:googlerraaescopusA staggered approach for the coupling of Cahn–Hilliard type diffusion and finite strain elasticity
ArticleAbstract: We develop an algorithm and computational implementation for simulation of problems that combine CahPalabras claves:Cahn–Hilliard equation, Coupling with elasticity, diffusion, Li-ion batteries, Screened-Poisson equationAutores:Areias P., Patricio Xavier Lazo Jara, Rabczuk T.Fuentes:googlerraaescopusA study on finite elements for capturing strong discontinuities
ArticleAbstract: The work focuses on the presently existing families of finite elements with embedded discontinuitiesPalabras claves:Assumed enhanced strains, Embedded discontinuities, finite elements, Mixed elements, Strong discontinuitiesAutores:Huespe A., Oliver J., Patricio Xavier Lazo JaraFuentes:googlescopusA variational approach to the phase field modeling of brittle and ductile fracture
ArticleAbstract: The modeling of the post-critical behavior of materials is still a scientific challenge. This is espPalabras claves:damage, Ductile, Energetic, Fracture, Gradient, Phase fields, Plasticity, VariationalAutores:Jacinto Ulloa, Patricio Rodríguez, Patricio Xavier Lazo Jara, Samaniego C.Fuentes:scopusDeterminación de las propiedades elásticas del conglomerado de las formaciones Turi y Terrazas fluvioglacíaricas de la Ciudad de Cuenca a partir de las propiedades de su matriz
Master ThesisAbstract: El presente trabajo estudia los conglomerados de las formaciones Turi y Terrazas Fluvioglaciáricas dPalabras claves:Conglomerado De Formaciones, GEOLOGIA, Propiedaddes Elasticas, Terrazas Fluvioglaciaricas, Tesis De Maestria En Geologia Aplicada Y Geotecnia, TuriAutores:Karla Johanna Santacruz Reyes, Patricio Xavier Lazo JaraFuentes:rraaeContinuum approach to the numerical simulation of material failure in concrete
ArticleAbstract: Some new aspects of the continuum strong discontinuity approach (CSDA) to model material failure inPalabras claves:Fracture, localization, Material failure, Multi-cracking, Strong discontinuityAutores:Chaves E., Huespe A., Oliver J., Patricio Xavier Lazo JaraFuentes:googlescopusContinuum-discontinuum modelling of shear bands
ArticleAbstract: A methodology to model shear bands as strong discontinuities within a continuum mechanics context isPalabras claves:Extended finite element method, Finite Element Method, Loss of hyperbolicity, Shear bands, Traction-separation lawsAutores:Belytschko T., Patricio Xavier Lazo JaraFuentes:scopusAplicación de la teoría de la plasticidad unidimensional a la sección de una viga
Bachelor ThesisAbstract: Al aplicarse carga sobre una viga, un momento flector M y una fuerza axial N externos resultantes dePalabras claves:Elasto Plastico, Modelos Reologicos, PLASTICIDAD, VigasAutores:Juan Carlos Guartasaca Ordoñez, Patricio Xavier Lazo JaraFuentes:rraae