DocumentCode :
3524656
Title :
MLS meshless method for elastic wave band structures calculation of one dimensional phononic crystal
Author :
Liu, Xiao-jian ; Fan, You-hua
Author_Institution :
Sch. of Natural Sci. & Humanities, Harbin Inst. of Technol., Shenzhen, China
fYear :
2011
fDate :
9-11 Dec. 2011
Firstpage :
353
Lastpage :
356
Abstract :
The meshless method based on the MLS (Moving Least Square) is applied on the calculation of elastic wave band structures of the phononic crystal. Comparing with the finite element method, the domain of interest is scattered by a set of nodes instead of the complex mesh. So, it is computationally easy to add or remove points from a pre-existing set of nodes. In this paper, we apply the meshless method in the computation of the elastic wave band gap of one dimensional phononic crystal. By comparing our results obtained from the meshless method with the LM (Lumped Mass) method, it is found that two results are basically agreement. Thus, the meshless method is a promising tool for computing phononic band gaps. But, some details such as choosing a shapefunction should be considered more deeply.
Keywords :
elastic waves; phononic crystals; MLS meshless method; elastic wave band gap; elastic wave band structure calculation; lumped mass method; moving least square; one dimensional phononic crystal; phononic band gap; Crystals; Finite difference methods; Finite element methods; Photonic band gap; Shape; Elastic wave band gap; MLS; Meshless; Phononic crystal;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA), 2011 Symposium on
Conference_Location :
Shenzhen
Print_ISBN :
978-1-4673-1075-8
Type :
conf
DOI :
10.1109/SPAWDA.2011.6167262
Filename :
6167262
Link To Document :
بازگشت