Artículo
Computational design of metadevices for heat flux manipulation considering the transient regime
Álvarez Hostos, Juan Carlos
; Fachinotti, Victor Daniel
; Peralta, Ignacio
; Tourn, Benjamin Alfredo
Fecha de publicación:
07/2019
Editorial:
Taylor & Francis
Revista:
Numerical Heat Transfer Part A-applications
ISSN:
1040-7782
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The present work introduces the optimization-based approach for the design of metadevices to manipulate the heat flux in transient regime. It consists of solving a continuous, nonlinear, constrained, large-scale optimization problem where the objective function (to be minimized) is the error in accomplishing a given heat flux manipulation task along a transient heat conduction process. The response of the metadevice is modeled by using the finite element method, and its design is characterized by a set of parameters defining the material at all the finite elements in the device. These parameters are the design variables of the optimization problem, being chosen from an admissible design set in order to guarantee the feasibility of the optimal solution. As an example, this optimization-based approach is applied to the design of a heat flux shielding metadevice. Compared to a metadevice designed under the classical thermodynamics transformation approach and intuition, the current device performs the shielding task with considerably higher success. In order to highlight the versatility of the proposed optimization-based design method, this approach is also applied to the design of metadevices to satisfy multiple different simultaneous tasks, particularly shielding and cloaking.
Palabras clave:
METADEVICES
,
TRANSIENT ANALYSIS
,
SHIELDING
,
CLOAKING
,
OPTIMIZATION
,
ANISOTROPIC
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CIMEC)
Articulos de CENTRO DE INVESTIGACION DE METODOS COMPUTACIONALES
Articulos de CENTRO DE INVESTIGACION DE METODOS COMPUTACIONALES
Citación
Álvarez Hostos, Juan Carlos; Fachinotti, Victor Daniel; Peralta, Ignacio; Tourn, Benjamin Alfredo; Computational design of metadevices for heat flux manipulation considering the transient regime; Taylor & Francis; Numerical Heat Transfer Part A-applications; 76; 8; 7-2019; 648-663
Compartir
Altmétricas