2. 您的位置
3. 首页
4. 会议论文
5. A comparison study of different discretization schemes for 2D acoustic FMBEM

A comparison study of different discretization schemes for 2D acoustic FMBEM

来源 :中国计算力学大会2018暨国际华人计算力学大会2018 | 被引量 : 0次 | 上传用户：lunxyxd

【摘 要】

：

This work focuses on the comparison of different discretization schemes for fast multipole boundary element method(FMBEM)in 2D acoustic problems.

【作 者】

：

Zhen-Yun WU Fu-Hang JIANG Jie WANG Hai-Bo CHEN 

【机 构】

：

CAS Key Laboratory of Mechanical Behavior and Design of Materials,Department of Modern Mechanics,Uni

【出 处】

：

中国计算力学大会2018暨国际华人计算力学大会2018

【发表日期】

：

2018年10期

【关键词】

：

Boundary element method Discontinuous element Galerkin method Isogeometric analy 

下载到本地 , 更方便阅读

下载此文 赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

　　This work focuses on the comparison of different discretization schemes for fast multipole boundary element method(FMBEM)in 2D acoustic problems.

其他文献

固体发动机在吊挂条件下的力学特性研究

固体发动机具有复杂的结构特征,在吊挂条件下的力学特性是一个新的研究课题。本文运用有限元软件ABAQUS,建立固体发动机结构的简化模型及相应的约束模型,研究贮存条件和不同吊挂条件约束下发动机结构的静动态特性,包括发动机结构中壳体和药柱的应力应变分布、发动机结构的固有特性以及随机载荷作用下发动机结构的响应谱分析。结果 表明,吊挂是一种比贮存更为恶劣的约束,不同吊挂条件下发动机结构的各部分特性又有显著不

会议

固体发动机吊挂约束有限元方法力学特性

2D acoustic shape sensitivity analysis using adjoint variable method and isogeometric BEM with fast

According to the concept of isogeometric analysis(IGA),Non-Uniform Rational B-splines(NURBS)are used to describe the geometry and approximate the physical fields.

会议

Isogeometric analysisBoundary element methodFast multipole methodBurton-Mille

Numerical Investigations on the Fictitious Eigenfrequency Problem of the BEM

The BEM has emerged as a powerful numerical tool for several decades to solve many engineering problems,especially the acoustic and electromagnetic wave propagation problems.

会议

Boundary element methodWave propagation problemsFictitious eigenfrequencyBurt

Accuracy of the extended boundary element method analyzing the stress fields of V-notched/cracked st

According to the theory of linear elasticity,the numerical methods are difficult to calculate the singular stress field in a V-notch/crack tip region.

会议

V-notch/crackstress fieldextended boundary element methodasymptotic expansion

Isogeometric boundary element method for 2-D heat transfer analysis

In this paper,the recently developed hybrid numerical method based on isogeometric analysis(IGA)and boundary element method(BEM),named as IGABEM,is further extended to study steady and transient heat

会议

Heat transferNURBSisogeometric analysisboundary element methodFEM

Acoustic topology optimization of porous material distribution by FMBEM-based sensitivity analysis

This work applies acoustic topology optimization technique for structure surface design with porous materials,where the fast multipole boundary element method(FMBEM)is employed for sound scattering an

会议

Topology optimizationPorous materialBoundary element methodFast multipole met

An Isogeometric Boundary Element Method for Structural-Acoustic Analysis

We demonstrate a method for simulating medium-wave acoustic scattering over elastic thin shell structures with an isogeometric approach.

会议

isogeometric analysisboundary element methodsubdivision surfacesstructural-ac

二维各向异性位势问题高阶边界元几乎奇异积分半解析算法

在二维正交各向异性位势问题边界元法分析中，采用高阶单元导致源点到单元的矢径函数形式复杂，使得高阶单元上几乎奇异积分难以被准确计算。本文针对二维正交各向异性位势问题边界元法高阶单元的几乎奇异积分，建立一种半解析算法。

会议

边界元法各向异性高阶单元几乎奇异积分半解析算法

A comparison study of different discretization schemes for different fast algorithms in 2D potential

This work makes a detail comparison of different BEM fast algorithms for two dimensional potential problems under different discretization schemes.

会议

Boundary element methodDiscontinuous elementsFast multipole methodFast direct

Unified and explicit expression of three-dimensional Green's function for magneto-electro-elast

A novel solution is presented for the three-dimensional(3D)Greens function for magneto-electro-elastic solids with general anisotropy.

会议

3D Green's functiongeneral anisotropyunified and explicit expression