国家自然科学基金(81127901)

作品数:54被引量:148H指数:6
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相关作者:邹建中李发琪章东郭霞生曾德平更多>>
相关机构:重庆医科大学南京大学国家工程研究中心重庆医科大学附属第一医院更多>>
相关期刊:《中国材料进展》《功能材料》《无机材料学报》《Science China(Physics,Mechanics & Astronomy)》更多>>
相关主题:高强度聚焦超声HIFUACOUSTIC高强度聚焦超声治疗压电复合材料更多>>
相关领域:医药卫生理学一般工业技术电子电信更多>>
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On-demand inverse design of acoustic metamaterials using probabilistic generation network被引量:1
《Science China(Physics,Mechanics & Astronomy)》2023年第2期87-94,共8页Ze-Wei Wang An Chen Zi-Xiang Xu Jing Yang Bin Liang Jian-Chun Cheng 
supported by the National Key R&D Program of China(Grant No. 2017YFA0303700);the National Natural Science Foundation of China (Grant Nos. 12174190, 11634006, 12074286, and 81127901);the Innovation Special Zone of National Defense Science and Technology,High-Performance Computing Center of Collaborative Innovation Center of Advanced Microstructures;a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions。
On-demand inverse design of acoustic metamaterials(AMs),which aims to retrieve the optimal structure according to given requirements,is still a challenging task owing to the non-unique relationship between physical st...
关键词:INVERSE PROBABILISTIC NETWORK 
Controlling acoustic orbital angular momentum with artificial structures:From physics to application被引量:1
《Chinese Physics B》2022年第9期41-55,共15页Wei Wang Jingjing Liu Bin Liang Jianchun Cheng 
Project supported by the National Key Research and Development Program of China(Grant No.2017YFA0303700);the National Natural Science Foundation of China(Grant Nos.11634006 and 81127901);the Fund from the High-Performance Computing Center of Collaborative Innovation Center of Advanced Microstructures;the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.
Acoustic orbital angular momentum(OAM)associated with helicoidal wavefront recently attracts rapidly-growing attentions,offering a new degree of freedom for acoustic manipulation.Due to the unique dynamical behavior a...
关键词:acoustic orbital angular momentum acoustic metamaterials acoustic metasurfaces acoustic communications 
Fast prediction of aerodynamic noise induced by the flow around a cylinder based on deep neural network被引量:1
《Chinese Physics B》2022年第6期470-475,共6页Hai-Yang Meng Zi-Xiang Xu Jing Yang Bin Liang Jian-Chun Cheng 
supported by the National Key Research and Development Program of China(Grant No.2017YFA0303700);the National Natural Science Foundation of China(Grants Nos.12174190,11634006,12074286,and 81127901);the Innovation Special Zone of the National Defense Science and Technology,High-Performance Computing Center of Collaborative Innovation Center of Advanced Microstructures,and the Priority Academic Program Development of Jiangsu Higher Education Institutions。
Accurate and fast prediction of aerodynamic noise has always been a research hotspot in fluid mechanics and aeroacoustics.The conventional prediction methods based on numerical simulation often demand huge computation...
关键词:aerodynamic noise prediction deep neural network aeroacoustics 
High-efficiency unidirectional wavefront manipulation for broadband airborne sound with a planar device
《Chinese Physics B》2022年第3期342-349,共8页Yang Tan Bin Liang Jianchun Cheng 
Project supported by National Key R&D Program of China (Grant No. 2017YFA0303700);the National Natural Science Foundation of China (Grant Nos. 11634006, 11374157, and 81127901);a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions;the Innovation Special Zone of National Defense Science and Technology and High-Performance Computing Center of Collaborative Innovation Center of Advanced Microstructures。
In the past decade, one-way manipulation of sound has attracted rapidly growing attention with application potentials in a plethora of scenarios ranging from ultrasound imaging to noise control. Here we propose a desi...
关键词:acoustic metamaterials one-way wavefront manipulation broadband planar device 
Acoustic skin meta-muffler被引量:1
《Science China(Physics,Mechanics & Astronomy)》2021年第9期87-92,共6页Yong-Xin Gao Yi Cheng Bin Liang Yong Li Jing Yang Jian-Chun Cheng 
the National Key R&D Program of China(Grant No.2017YFA0303700);the National Natural Science Foundation of China(Grant Nos.11634006,11374157,81127901,and 12074286);the High-Performance Computing Center of Collaborative Innovation Center of Advanced Microstructures.
The effective elimination of sound energy traveling in open ducts is critical in acoustics,with considerable potential in diverse applications ranging from duct noise control to exhaust system design.However,previous ...
关键词:acoustic metamaterial ultrathin sound absorber coupling effect broadband high absorption 
驻波聚焦在体模中形成的精细损伤被引量:1
《数据采集与处理》2021年第4期722-729,共8页罗曼 何敏 曾德平 宋丹 王智彪 李发琪 
国家自然科学基金重大科学仪器设备研制专项(81127901)资助项目;国家自然科学基金(12074051,12004059)资助项目;重庆市自然科学基金(cstc2020jcyj-msxmX0456)资助项目。
为了提高聚焦超声的治疗精度,本文通过将两个完全相同,频率为0.6 MHz的行波聚焦换能器同轴共焦相向放置实现驻波聚焦。在相同焦点峰值正声压(17 MPa)条件下,结合组织中的声场数值仿真、空化和非线性测量,对比研究了驻波聚焦和行波聚焦...
关键词:聚焦超声消融 驻波聚焦 损伤 非线性 
Experimental demonstration of a three-dimensional omnidirectional and broadband acoustic concentrator using an anisotropic metamaterial被引量:1
《Science China(Physics,Mechanics & Astronomy)》2021年第4期17-24,共8页ChengBo Hu Bin Liang Jing Yang JianChun Cheng 
supported by the National Key R&D Program of China(Grant No.2017YFA0303700);the National Natural Science Foundation of China(Grant Nos.11634006,11374157 and 81127901);a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions。
We report the theoretical design and experimental demonstration of a three-dimensional(3D)omnidirectional and broadband metamaterial-based concentrator for airborne sound.The proposed mechanism uses a homogeneous anis...
关键词:acoustic concentrator anisotropic metamaterial perforated hemispherical shell 
基于轻薄硬质超表面的空气声波反射场操控
《中国材料进展》2021年第1期22-28,21,共8页赵玉萍 梁彬 程建春 
国家重点研发计划项目(2017YFA0303700);国家自然科学基金项目(11634006,11374157,81127901)。
对反射声波的复杂操控是声学研究的基础问题之一,并广泛应用于房间声学设计及噪声能量消除等重要场合。近年来出现的声学超表面为声学功能器件的小型化提供了新的启示,因此如何进一步缩减其尺寸和重量具有重要的物理意义与应用价值。展...
关键词:声学 超表面 声波操控 异常折射 超薄平面聚焦透镜 超薄平面棱锥镜 
声陈绝缘体的实验验证
《陕西师范大学学报(自然科学版)》2019年第6期16-22,共7页丁玉江 彭玉桂 朱一凡 梁彬 祝雪丰 程建春 
国家重点研发项目(2017YFA0303700);国家自然科学基金(11634006,81127901,11674119,11374157)
与二维电子系统在有效磁场下所表现出的独特拓扑性质类似,声陈绝缘体是具有拓朴性质的声学系统。通过带角动量偏置的共振单元组成二维阵列,打破洛伦兹互易性,利用高Q值共振腔体和腔内环流场显著降低了声陈绝缘体的转子转速要求,进而对...
关键词:声陈绝缘体 环形共振腔 流场偏置 边界态 
可实现宽频宽角度隔声的薄层通风结构被引量:5
《南京大学学报(自然科学版)》2019年第5期791-795,共5页林远鹏 梁彬 杨京 程建春 
国家自然科学基金(11634006,81127901,11674119,11690030,11690032);国家重点研发计划(2017YFA0303700)
隔声材料的设计是声学研究的重要主题,并具有重要的应用价值,然而通风条件下的低频宽带隔声仍是具有挑战性的难题.提出一种基于空间折叠结构和中空管道相互组合的双层结构的通风隔声屏障设计,利用层间的类Fano共振耦合对特定频带内的声...
关键词:声学超材料 Fano共振 宽带隔声 通风隔声屏障 
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