Publicación:
THE EFFECT OF THE MESH REFINEMENT ON A MULTISCALE DOMAIN DECOMPOSITION METHOD FOR THE NON-LINEAR SIMULATION OF COMPOSITE STRUCTURES

dc.creatorJORGE ANDRÉS FERNÁNDEZ GONZÁLEZ
dc.date2019
dc.date.accessioned2025-01-10T15:05:46Z
dc.date.available2025-01-10T15:05:46Z
dc.date.issued2019
dc.description.abstractTHIS ARTICLE IS FOCUSED ON THE STUDY OF A MICRO-MACRO LATIN BASED DOMAIN DECOMPOSITION METHOD (LATIN-DDM) FOR THE PREDICTION OF THE NONLINEAR BEHAVIOR OF SLENDER COMPOSITE STRUCTURES SUBJECTED TO BENDING, BUCKLING AND DELAMINATION. PREVIOUS STUDIES HAVE SHOWN THAT AN ADEQUATE SELECTION OF THE ITERATIVE PARAMETERS (SEARCH DIRECTIONS AND MACROSCOPIC SPACE) ALLOW TO IMPROVE THE CONVERGENCE RATE AND ENSURE SCALABILITY (I.E. NUMBER OF ITERATIONS IS INDEPENDENT OF THE NUMBER OF SUBDOMAINS) OF THE ITERATIVE SCHEMA. TO OBTAIN PRECISE SOLUTIONS, ONLY THE SIZE REDUCTION OF THE SUBDOMAINS DISCRETIZATION HAS BEEN ADDRESSED (H-REFINEMENT), DISREGARDING THE OPTION OF INCREASING THE POLYNOMIAL DEGREE OF THE FINITE ELEMENTS (P-REFINEMENT) AND IGNORING THEIR UNDERLYING EFFECTS ON THE INFORMATIONS TRANSMISSION THROUGH THE INTERFACES BETWEEN SUBDOMAINS. IN THIS WORK AND USING LINEAR AND QUADRATIC FINITE ELEMENTS, H AND P REFINEMENTS ON THE SUBDOMAINS AND LOCAL H-REFINEMENT ONLY ALONG THE EDGES OF THE SUBDOMAINS WERE INVESTIGATED. IT IS CONCLUDE THAT THE PREFINEMENT IN THE WHOLE SUBDOMAIN NOT ONLY ENABLES TO REACH MORE EXACT SOLUTIONS THAN USING GLOBAL OR LOCAL H-REFINEMENT, BUT ALSO THE CONVERGENCE RATE IS IMPROVED. THESE ENHANCEMENTS ALLOW MORE COMPLEX SIMULATIONS BUT USING LESS DEGREES OF FREEDOM AND LESS CALCULATION TIME, EVEN UP TO 97% FASTER.
dc.formatapplication/pdf
dc.identifier.doi10.23967/j.rimni.2019.02.002
dc.identifier.issn0213-1315
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/10396
dc.languagespa
dc.publisherRevista Internacional de Metodos Numericos para Calculo y Diseno en Ingenieria
dc.relation.uri10.23967/j.rimni.2019.02.002
dc.rightsPUBLICADA
dc.titleTHE EFFECT OF THE MESH REFINEMENT ON A MULTISCALE DOMAIN DECOMPOSITION METHOD FOR THE NON-LINEAR SIMULATION OF COMPOSITE STRUCTURES
dc.title.alternativeEL EFECTO DEL REFINAMIENTO DE LA MALLA EN UN MÉTODO DE DESCOMPOSICIÓN DE DOMINIO MULTIESCALA PARA LA SIMULACIÓN NO LINEAL DE ESTRUCTURAS COMPUESTAS
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE INGENIERIA MECANICA
ubb.SedeCONCEPCIÓN
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