Ponencia
An xfem-based numerical scheme to compute crack-induced electrical resistivity changes in cracked cnt-reinforced composites using ansys
Autor/es | Vargas, José
Rodríguez de Tembleque Solano, Luis Buroni Cuneo, Federico Carlos García-Macías, Enrique Sáez Pérez, Andrés |
Departamento | Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras Universidad de Sevilla. Departamento de Ingeniería Mecánica y de Fabricación |
Fecha de publicación | 2020-11-30 |
Fecha de depósito | 2021-02-16 |
Publicado en |
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ISBN/ISSN | 978-073544045-6 0094-243X |
Resumen | This paper presents an eXtended Finite Element Method (XFEM)-based numerical scheme to compute electrical resistivity changes caused by the presence of cracks. Using the commercial finite element package ANSYS, the virtual ... This paper presents an eXtended Finite Element Method (XFEM)-based numerical scheme to compute electrical resistivity changes caused by the presence of cracks. Using the commercial finite element package ANSYS, the virtual continuous monitoring of the structure is solved in two steps. First, the strain response of the cracked composite domain is computed by means of the XFEM. In the second step, the electrical conductivity of the piezorresistive elements located in the domain are updated according to the strain state and the electric resistance between two electrodes of the damaged plate is computed. The comparison with the electric resistance measured for the undamaged plate allows us to detect the presence of a crack and its severity. Several numerical studies are provided to show the capabilities of this computational framework. |
Agencias financiadoras | Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | P18-RT-3128
EJ3-77 DPI2017-89162-R |
Cita | Vargas, J., Rodríguez de Tembleque Solano, L., Buroni Cuneo, F.C., García-Macías, E. y Sáez Pérez, A. (2020). An xfem-based numerical scheme to compute crack-induced electrical resistivity changes in cracked cnt-reinforced composites using ansys. En 19th International Conference on Fracture and Damage Mechanics, AIP Conference Proceedings v. 2309, (Número Artículo 0033981), Mallorca, España: American Institute of Physics Inc.. |
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