KMS Of Academy of mathematics and systems sciences, CAS
On isotropic cloaking and interior transmission eigenvalue problems | |
Ji, Xia1; Liu, Hongyu2,3 | |
2018-04-01 | |
发表期刊 | EUROPEAN JOURNAL OF APPLIED MATHEMATICS |
ISSN | 0956-7925 |
卷号 | 29期号:2页码:253-280 |
摘要 | This paper is concerned with the invisibility cloaking in acoustic wave scattering from a new perspective. We are especially interested in achieving the invisibility cloaking by completely regular and isotropic mediums. It is shown that an interior transmission eigenvalue problem arises in our study, which is the one considered theoretically in Cakoni et al. (Transmission eigenvalues for inhomogeneous media containing obstacles, Inverse Problems and Imaging, 6 (2012), 373-398). Based on such an observation, we propose a cloaking scheme that takes a three-layer structure including a cloaked region, a lossy layer and a cloaking shell. The target medium in the cloaked region can be arbitrary but regular, whereas the mediums in the lossy layer and the cloaking shell are both regular and isotropic. We establish that if a certain non-transparency condition is satisfied, then there exists an infinite set of incident waves such that the cloaking device is nearly invisible under the corresponding wave interrogation. The set of waves is generated from the Herglotz approximation of the associated interior transmission eigenfunctions. We provide both theoretical and numerical justifications. |
关键词 | Acoustic wave scattering invisibility cloaking isotropic and regular interior transmission eigenvalues |
DOI | 10.1017/S0956792517000110 |
语种 | 英语 |
资助项目 | FRG grants from Hong Kong Baptist University, Hong Kong RGC General Research Fund[12302415] ; NSFC[11371115] ; National Natural Science Foundation of China[11271018] ; National Natural Science Foundation of China[91230203] ; Special Funds for National Basic Research Program of China, 973 Program[2012CB025904] |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied |
WOS记录号 | WOS:000426855300003 |
出版者 | CAMBRIDGE UNIV PRESS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/29750 |
专题 | 计算数学与科学工程计算研究所 |
通讯作者 | Ji, Xia |
作者单位 | 1.Chinese Acad Sci, Inst Computat Math, LSEC, Beijing 100190, Peoples R China 2.Hong Kong Baptist Univ, Dept Math, Kowloon Tong, Hong Kong, Peoples R China 3.Virtual Univ Pk, HKBU Inst Res & Continuing Educ, Shenzhen, Peoples R China |
推荐引用方式 GB/T 7714 | Ji, Xia,Liu, Hongyu. On isotropic cloaking and interior transmission eigenvalue problems[J]. EUROPEAN JOURNAL OF APPLIED MATHEMATICS,2018,29(2):253-280. |
APA | Ji, Xia,&Liu, Hongyu.(2018).On isotropic cloaking and interior transmission eigenvalue problems.EUROPEAN JOURNAL OF APPLIED MATHEMATICS,29(2),253-280. |
MLA | Ji, Xia,et al."On isotropic cloaking and interior transmission eigenvalue problems".EUROPEAN JOURNAL OF APPLIED MATHEMATICS 29.2(2018):253-280. |
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