Characterization and assessment of composite materials via inverse finite element modeling

[EN] Characterizing mechanical properties play a major role in several fields such as biomedical and manufacturing sectors. In this study, a stochastic inverse model is combined with a finite element (FE) approach to infer full-field mechanical properties from scarce experimental data. This is achie...

ver descrição completa

Detalhes bibliográficos
Autores: Llopis-Albert, Carlos|||0000-0002-1349-2716, Rubio Montoya, Francisco José|||0000-0003-3465-702X, Valero Chuliá, Francisco José
Formato: artículo
Fecha de publicación:2019
País:España
Recursos:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/127675
Acesso em linha:https://riunet.upv.es/handle/10251/127675
Access Level:acceso abierto
Palavra-chave:Inverse modeling
Finite element
Mechanical properties
Heterogeneity characterization
Biomedical
Uncertainty assessment
Descrição
Resumo:[EN] Characterizing mechanical properties play a major role in several fields such as biomedical and manufacturing sectors. In this study, a stochastic inverse model is combined with a finite element (FE) approach to infer full-field mechanical properties from scarce experimental data. This is achieved by means of non-linear combinations of material property realizations, with a certain spatial structure, for constraining stochastic simulations to data within a non-multiGaussian framework. This approach can be applied to the design of highly heterogenous materials, the uncertainty assessment of unknown mechanical properties or to provide accurate medical diagnosis of hard and soft tissues. The developed methodology has been successfully applied to a complex case study.