A Recursive Algorithm for Multi-frequency Acoustic Inverse Source Problems

来源 :第八届工业与应用数学国际大会 | 被引量 : 0次 | 上传用户：lovetianbing

【摘要】

：

　　An iterative/recursive algorithm is studied for recovering unknown sources of acoustic field with multi-frequency measurement data.Under additional regulari

【作者】

：

LuShuai[1]BaoGang[2]RundellWilliam[3]

【机构】

：

School of Mathematical Sci.,Fudan Univ.

【出处】

：

第八届工业与应用数学国际大会

【发表日期】

：

2015年期

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

　　An iterative/recursive algorithm is studied for recovering unknown sources of acoustic field with multi-frequency measurement data.Under additional regularity assumptions on source functions,the first convergence result towards multi-frequency inverse source problems is obtained by assuming the background medium is homogeneous and the measurement data is noise-free.

其他文献

Deterministic Nuclear Modeling of Well Logging

　　Nuclear measurement techniques have played a relevant role in dealing with problems as hydrocarbon exploration.The key to understanding the responses of the

会议

Two-level Parallel Preconditioners for Reservoir Simulation Problems

　　With the ultimate goal of designing a scalable parallel preconditioner for reservoir simulation problems,we combine domain decomposition ideas(prove suitabl

会议

Approximate Inverses Preconditioners for Petroleum Reservoir Simulation

　　A parallel implementation of the preconditioner AINV for the solution of general sparse linear systems of equations is presented.This preconditioner compute

会议

Computer-assisted Proofs in Incompressible Fluids

　　In this talk I will discuss how,guided by numerical simulations,one can accomplish to produce completely rigorous,computer-assisted theorems in problems rel

会议

Burgers Vortex System and Hermite Polynomials

　　The Burgers vortex is well-known as a steady exact solution of the Navier-Stokes equation which is often used as a model for vortex motion in turbulence.In

会议

Assessing Late-time Singular Behaviour in Symmetry-plane Models of 3D Euler Flow

　　We introduce a one-parameter family of models of the 3D-Euler fluid equations on a 2D symmetry plane,which provide a collection of blowup scenarios admittin

会议

On the Generalized Non-viscous/viscous DeGregorio Equation-Singular Solutions and Statistical Proper

　　The generalized DeGregorio equation is a 1D model of the 3D Euler equations and Navier-Stokes equations.This equation is obtained by adding an advection ter

会议

Extreme Behavior in Flow Models:Analysis and Computations

　　The minisymposium has for its objective to explore from the computational perspective extreme,and possibly singular,behavior in various PDE models of fluid

会议

Extreme Vortex States and the Hydrodynamic Blow-Up Problem

　　We will discuss our research program concerning a systematic search for extreme events in viscous incompressible flows.It is motivated by questions related

会议

Inverse Scattering from Extended Sources

　　We look at classical inverse acoustic scattering based on the nonhomogeneous Helmholtz equation where one seeks to recover the location and shape of an exte

会议

A Recursive Algorithm for Multi-frequency Acoustic Inverse Source Problems

其他学术论文