Numerical simulation of sound wave propagation using multimoment method of characteristics with general Hermite interpolation

被引：2
|
作者：
Kawada, Naoki [1 ]
Okubo, Kan [1 ]
Tagawa, Norio [1 ]
Tsuchiya, Takao [2 ]
机构：
[1] Tokyo Metropolitan Univ, Fac Syst Design, 6-6 Asahigaoka, Hino, Tokyo 1910065, Japan
[2] Doshisha Univ, Kyotanabe 6120321, Japan
来源：
ACOUSTICAL SCIENCE AND TECHNOLOGY | 2015年 / 36卷 / 03期
关键词：
Multimoment method; Method of characteristics (MOCs); CIP method; Sound wave propagation; Hermite interpolation;
D O I：
10.1250/ast.36.265
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The constrained interpolation profile (CIP) method is a novel low-dispersion numerical scheme. It is a method of characteristics (MOC). The feature of the CIP method is that it uses acoustic fields and their spatial derivatives at grid points to solve the problem of wave propagation. By such treatment of fields, the CIP method gives the numerical phase velocity with high accuracy for very wide frequency bands.. This is an advantage of the method. The conventional CIP method has third-order accuracy in space and time with the two-point stencils using third-order Hermite interpolation.
引用
收藏
页码：265 / 267
页数：3
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