Título:
|
Heat diffusion anisotropy in dendritic growth: phase field simulations and experiments in liquid crystals
|
Autor/a:
|
González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt Viader, Jaume; Hernández Machado, Aurora; Toth-Katona, T; Börzsönyi, T; Buka, A
|
Otros autores:
|
Universitat Politècnica de Catalunya. Departament de Física; Universitat Politècnica de Catalunya. BIOCOM-SC - Grup de Biologia Computacional i Sistemes Complexos |
Abstract:
|
An anisotropic heat diffusion coefficient is introduced in order to study some interfacial growth phenomena. This anisotropy has been incorporated in a phase field model which has been studied numerically to reproduce some fundamental solidification situations (needle crystal growth) as well as the dynamics of a nematic–smectic-B interface. As a general result, we find that dendrites grow faster in the lower heat diffusion direction. Simulation results are compared with experiments with remarkable qualitative agreement. |
Abstract:
|
Peer Reviewed |
Materia(s):
|
-Àrees temàtiques de la UPC::Física -Liquid crystals -Dendrites -Anisotropy -Liquid crystals -Phase field -Interfacial instability -Cristalls líquids |
Derechos:
|
|
Tipo de documento:
|
Artículo - Versión publicada Artículo |
Compartir:
|
|