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BRIF and CARIF progress

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Science china(Physics,{1. & Astronomy) 2011年第S1期54卷 14-17页

作者： liU WeiPing, li ZhiHong, BAI XiXiang, wang YouBao, GUO Bing, PENG ChaoHua, YANG Yi, SU Jun, CUI BaoQun, ZHOU ShuHua, ZHU ShengYun, XIA HaiHong, GUAN Xialing, ZENG Sheng, zhang HuanQiao, CHEN YongShou, TANG HongQing, HUANG li & FENG BeiYuan{2. institute of Atomic Energy, P. O. Box 2.5(1., beijing 1.2.1.,{2. china {1. of Atomic Energy Beijing China

china {1. of Atomic Energy (CIAE) is currently constructing {2. rare ion beam facility (BRIF) and is proposing china advanced rare ion beam facility (CARIF). This paper is aiming at introducing the progress of BRIF project and the con ceptual design CARIF. The ISOL type facility BRIF under construction is composed of a 1.0 MeV 300 ?A proton cyclotron, an ISOL with mass resolution of 2.000, and a super-conducting liNAC of 2.MeV/q, and will be commissioned in 2.1.. CARIF facility proposed is planned to use both ISOL and PF techniques. It is based on a china advanced research reactor CARR that was critical, with ISOL separation of fission fragment, post acceleration to 1.0 MeV/u, and fragmentation of neu tron-rich fission fragment beam like 1.2.n. Such unique combination will allow CARIF to deliver beam intensity better than the best world facilities by more than one order of magnitude.

关键词： rare ion beam ISOL PF

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玻璃-橡胶混合颗粒体系的弹性行为研究

物理学报 2018年第10期67卷 117-127页

作者：赵子渊李昱君王富帅张祺厚美瑛李文辉马钢太原理工大学力学学院材料强度与结构冲击山西省重点实验室太原030024 中国科学院物理研究所软物质物理重点实验室北京凝聚态物理国家实验室北京100190 太原理工大学机械工程学院太原030024

废旧橡胶制品颗粒与砂土颗粒混合物作为建筑填充材料具有环保、轻质、减震效果好等特点.软硬组分的混合比例可以调制体系力学性能从而实现兼顾材料柔韧性与强度的需求,但细观层面上材料性能改变的原因尚不明确.本文主要研究玻璃-橡胶混... 详细信息

废旧橡胶制品颗粒与砂土颗粒混合物作为建筑填充材料具有环保、轻质、减震效果好等特点.软硬组分的混合比例可以调制体系力学性能从而实现兼顾材料柔韧性与强度的需求,但细观层面上材料性能改变的原因尚不明确.本文主要研究玻璃-橡胶混合颗粒体系的弹性行为及其微观机制.利用飞行时间法测量混合材料等效动弹性模量,发现随着橡胶颗粒增加,体系逐渐从类玻璃刚性行为转变为类橡胶柔性行为.离散元模拟结果与实验结果类似.此外,模拟显示低橡胶颗粒占比样品内主要由玻璃颗粒构成主力链结构,而橡胶颗粒基本不参与强力链的构成.当橡胶颗粒占比较大时,玻璃颗粒和橡胶颗粒共同构成主力链网络结构,但颗粒间法向接触力分布相对更为均匀,可视为玻璃颗粒悬浮于橡胶颗粒中.基于上述结果,提出了改进的等效介质理论,用于描述混合颗粒体系的弹性行为.研究认为:橡胶颗粒占比较小时内部颗粒的变形相对均匀,材料近似满足等应变假设,视为并联弹簧模型;橡胶颗粒占比较大时混合材料近似满足等应力假设,视为串联弹簧模型.两种模型得到的结果与模拟结果一致.上述结果有利于从微观角度揭示混合颗粒材料弹性行为的变化机制.

关键词：混合颗粒离散元声速测量动弹性模量

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位移传感器数据高精度采集电路设计

电子器件 2017年第5期40卷 1204-1208页

作者：张斌栾红民李玉霞吴庆林王晶曲云昭中国科学院长春光学精密机械与物理研究所长春130033 中国科学院大学北京101400

对位移传感器数据进行高精度采集是实现大型望远镜主镜位置监控的关键环节。详细分析了位移传感器数据采集电路的输入需求并依此设计硬件电路。将位移传感器信号经过缩放、滤波等调理后输入至ADC芯片ADS1.0}9完成A/D转换;使用DSP芯片TMS3... 详细信息

对位移传感器数据进行高精度采集是实现大型望远镜主镜位置监控的关键环节。详细分析了位移传感器数据采集电路的输入需求并依此设计硬件电路。将位移传感器信号经过缩放、滤波等调理后输入至ADC芯片ADS1.0}9完成A/D转换;使用DSP芯片TMS32.F2.069读取ADS1.0}9输出的数字信号,解码后发送给PC机进行处理与显示。同时设计了CAN总线接口,用来实现分布式采集电路组建局域网。经过测试,采集电路的有效分辨率可达到1. bit,位移采集误差小于2.m,相对误差小于0.01.,能够实现对位移传感器信号的高精度采集,为望远镜主镜监控提供保证和依据。

关键词：位移传感器数据采集信号调理 CAN 望远镜

CEPC Technical Design Report

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Radiation Detection Technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves Weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai Yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi Yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai Wujun Cai Yijian Cai Yizhou Cai Yuchen Cai Haiying Cai Huacheng Cai Lorenzo Calibbi Junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang Xinyuan Chang Wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin Chen Danping Chen Fuqing Chen Fusan Chen Gang Chen Guoming Chen Hua-Xing Chen Huirun Chen Jinhui Chen Ji-Yuan Chen Kai Chen Mali Chen Mingjun Chen Mingshui Chen Ning Chen Shanhong Chen Shanzhen Chen Shao-Long Chen Shaomin Chen Shiqiang Chen Tianlu Chen Wei Chen Xiang Chen Xiaoyu Chen Xin Chen Xun Chen Xurong Chen Ye Chen Ying Chen Yukai Chen Zelin Chen Zilin Chen Gang Chen Boping Chen Chunhui Chen Hok Chuen Cheng Huajie Cheng Shan Cheng Tongguang Cheng Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-Chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui Zhaoyuan Cui Brunella D'Anzi ling-Yun Dai Xinchen Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng Wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi Dong Jianin AGH University of Science and Technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing beijing Computational Science Research Center Beijing beijing Conveyi LTD Beijing beijing Glass Research {1. Co. LtdBeijing beijing {1. of Technology Beijing beijing Normal University Beijing Brown University ProvidenceRI Budker institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central china Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa Chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan china academy of engineering physics MianyangSichuan china building materials academy Beijing china Center of Advanced Science and Technology Beijing china {1. of Atomic Energy Beijing china Ji{1.g University HangzhouZhejiang china Nuclear Instrument CO. LTDBeijing china University of Geosciences Beijing china University of Geosciences WuhanHubei china University of Mining and Technology XuzhouJiangsu china West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of Technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint institute for Nuclear Research(DLNP JINR) Dubna East china University Of Science And Technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by{1.,fostered through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV linac,a 1.1.GeV Damping Ring,a Booster capable of achieving energies up to 1.0 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 1.0 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×1.^(34)cm^(-2.s^(-1.per interaction point(IP),resulting in an integrated luminosity of 1. ab^(-1.for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2.1.)and the Conceptual Design Report(CDR,2.1.),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2.2.-2.2.,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2.30s.

关键词： initiated exceeding precise

组织工程骨软骨一体化多相支架的制备与体外检测评估

维普期刊数据库评论

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中国修复重建外科杂志 2018年第4期32卷 434-440页

作者：李建伟张学亮郭全义张景春曹艳杰张新国黄建军王琪刘小刚郝春香山西省中医药研究院太原030012 中国人民解放军总医院骨科研究所骨科再生医学北京市重点实验室全军骨科战创伤重点实验室北京100853

目的制备骨软骨一体化多相支架并进行相关力学性能检测与生物学性能评估,为骨软骨缺损修复提供一种新技术与方法。方法以猪源脱细胞软骨细胞外基质、纳米级羟基磷灰石和海藻酸钠为原材料,按不同成分比例混合,利用冷冻干燥技术和物理化... 详细信息

目的制备骨软骨一体化多相支架并进行相关力学性能检测与生物学性能评估,为骨软骨缺损修复提供一种新技术与方法。方法以猪源脱细胞软骨细胞外基质、纳米级羟基磷灰石和海藻酸钠为原材料,按不同成分比例混合,利用冷冻干燥技术和物理化学法交联,制备以脱细胞软骨细胞外基质为软骨层,海藻酸钠和脱细胞软骨细胞外基质为中间层,纳米级羟基磷灰石、海藻酸钠和脱细胞软骨细胞外基质为骨层的骨软骨一体化多相支架。通过大体观察、扫描电镜观察、Micro-CT观察、支架孔隙率和孔径测定、支架吸水能力测定、力学检测(压缩模量、界面间黏附强度)、生物相容性检测[MTT法检测鼠L92.成纤维细胞在支架上的增殖情况以及绿色荧光蛋白(green fluorescent protein,GFP)标记的大鼠BMSC_s在支架上的生长情况],对骨软骨一体化多相支架进行力学与生物学性能评价。结果大体观察及Micro-CT观察均显示支架各层间结合紧密,未出现明显不连续和相互分离。扫描电镜观察示,骨层结构相对致密,中间层与软骨层结构则比较疏松,各层内的孔隙结构相互连通且均具有立体多维性。支架软骨层、中间层、骨层孔隙率分别为93.55%±2.90%、93.55%±4.1.%、50.2.%±3.2.%,骨层显著低于软骨层和中间层(P0.05);孔径分别为(2.9.66±35.2.)、(1.3.2.±1..78)、(82.72.1..94)μm,各层间比较差异均有统计学意义(P1..1.±3.1.)、(1..65±2.98)、(5.32.1.87)m L/g,骨层显著低于软骨层和中间层(P0.05);压缩模量分别为(51.36±1..2.)、(47.93±1.0}74)、(1.5.1.±1..62.k Pa,骨层显著高于软骨层和中间层(P0.05)。骨软骨一体化多相支架每两层间结合紧密,其中软骨层与中间层的界面黏附强度为(1..2.±5.1.)k Pa,骨层与中间层的界面黏附强度则为(1..73±6.38)k Pa,比较差异无统计学意义(t=0.637,P=0.537)。MTT法检测显示鼠L92.成纤维细胞在支架上生长良好,GFP标记的大鼠BMSC_s在支架上生长分布均匀,显示支架材料无细胞毒性且具有良好的生物相容性。结论骨软骨一体化多相支架各层间的性能各有侧重,实现了对正常骨软骨组织成分上与结构上的双重仿生,为进一步动物体内实验奠定了基础,有望成为骨软骨缺损修复与再生治疗的一种新策略。

关键词：骨软骨组织工程多相支架细胞外基质力学性能生物相容性

A Computational Model for Simulation of Fractured Materials Using Continuum-Based Discrete Element Method(CDEM)

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A Computational Model for Simulation of Fractured Materials ...

二芳基乙烯的光学性质及其在超分辨光存储中的应用

The Sixth World Congress on Computational mechanics in Conjunction with the Second Asian-Pacific Congress on Computational mechanics

作者： Manhong Zhao, shihai {1., yuannian {2.', J. G. {2. institute of mechanics, Chinese Academy of Science, beijing 1.080, china Tropical Marine Science institute, National University of Singapore, 1.92.0 Singapore

Based on the continuum-based discrete element method (CDEM), this paper presents a computational' model to simulate fractured materials. The relationship of macroscopic failure of material and internal rupture strain strength is exploited. First, the CDEM treats the 8-node solid isoparametric element in FEM as a fundamental system composed of 8 particles and interconnecting springs. A complete process from continuum to discontinuum under loading can be simulated by CDEM. Second, a spring changes its properties if this spring is intersected by a fracture: 1. the shear and tension forces are equal to zero on fracture plane when the spring in normal direction of the fracture plane is in tension. {1. When the spring is in compression, the normal force in the fracture plane is the projection of spring force in normal direction, and the shear force in the fracture plane is the one in tangential direction. When the normal and shear forces satisfy the Mohr-Coulomb failure criterion, the spring fails and the spring stiffness should be revalued. Third, the stress to strain curve for fractured samples are tested under tension and compression. It is found that the material performs linear elasticity when fracture density is small and external load is low. However, nonlinearity occurs with the larger load. Furthermore, the 'hardening' and 'softening' property of fractured material is simulated under displacement loading test.

关键词：

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中国激光 2018年第9期45卷 235-243页

作者：刘铁诚张力孙静钟羽武王中阳郭新军阮昊中国科学院上海光学精密机械研究所激光与光电子功能材料中心上海201800 中国科学院大学北京100049 中国科学院上海高等研究院宏观量子现象与应用中心上海201210 中国科学院化学研究所光化学实验室北京100190

利用开环态双光子吸收转化荧光光谱、荧光淬灭光谱等探究了二芳基乙烯的光学记录特性及参数,得到其非线性吸收系数为3.46×1.^(-1.) m/W,双光子吸收转化的阈值功率密度为1.7.36GW/cm^2.荧光淬灭的阈值功率密度为2.89GW/cm^2.基于所得... 详细信息

利用开环态双光子吸收转化荧光光谱、荧光淬灭光谱等探究了二芳基乙烯的光学记录特性及参数,得到其非线性吸收系数为3.46×1.^(-1.) m/W,双光子吸收转化的阈值功率密度为1.7.36GW/cm^2.荧光淬灭的阈值功率密度为2.89GW/cm^2.基于所得到的测试参数,理论计算出其在超分辨光存储中的分辨率可达60.0nm,并设计了一种基于二芳基乙烯的双光子双光束超分辨光存储信息记录和读出方法。研究结果表明,二芳基乙烯具有光诱导-光抑制、非线性吸收及荧光淬灭等特性,是一种优异的超分辨光存储备选材料。

关键词：材料光数据存储光学分辨率超分辨光学记录光诱导-光抑制二芳基乙烯

STCF conceptual design report (Volume 1.: Physics & detector

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Frontiers of physics 2024年第1期19卷 1-154页

作者： M.Achasov X.C.Ai L.P.An R.Aliberti Q.An X.Z.Bai Y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomyagkov A.Bondar I.Boyko Z.H.Bu F.M.Cai H.Cai J.J.Cao Q.H.Cao X.Cao Z.Cao Q.Chang K.T.Chao D.Y.Chen H.Chen H.X.Chen J.F.Chen K.Chen L.L.Chen P.Chen S.L.Chen S.M.Chen S.Chen S.P.Chen W.Chen X.Chen X.F.Chen X.R.Chen Y.Chen Y.Q.Chen H.Y.Cheng J.Cheng S.Cheng T.G.Cheng J.P.Dai L.Y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko J.M.Dias D.Z.Ding L.Y.Dong W.H.Dong V.Druzhinin D.S.Du Y.J.Du Z.G.Du L.M.Duan D.Epifanov Y.L.Fan S.S.Fang Z.J.Fang G.Fedotovich C.Q.Feng X.Feng Y.T.Feng J.L.Fu J.Gao Y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilman L.Gong T.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo Y.P.Guo Z.H.Guo A.Guskov K.L.Han L.Han M.Han X.Q.Hao J.B.He S.Q.He X.G.He Y.L.He Z.B.He Z.X.Heng B.L.Hou T.J.Hou Y.R.Hou C.Y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu X.H.Hu Y.C.Hu J.Hua G.S.Huang J.S.Huang M.Huang Q.Y.Huang W.Q.Huang X.T.Huang X.J.Huang Y.B.Huang Y.S.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing X.L.Kang X.S.Kang B.C.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin Y.lei E.Levichev C.H.li C.li D.Y.li F.li G.li G.li H.B.li H.li H.N.li H.J.li H.L.li J.M.li J.li L.li L.li L.Y.li N.li P.R.li R.H.li S.li T.li W.J.li X.li X.H.li X.Q.li X.H.li Y.li Y.Y.li Z.J.li H.liang J.H.liang Y.T.liang G.R.liao L.Z.liao Y.liao C.X.lin D.X.lin X.S.lin B.J.liu C.W.liu D.liu F.liu G.M.liu H.B.liu J.liu J.J.liu J.B.liu K.liu K.Y.liu K.liu L.liu Q.liu S.B.liu T.liu X.liu Y.W.liu Y.liu Y.L.liu Z.Q.liu Z.Y.liu Z.W.liu I.Logashenko Y.Long C.G.Lu J.X.Lu N.Lu Q.F.Lü Y.Lu Y.Lu Z.Lu P.Lukin F.J.Luo T.Luo X.F.Luo Y.H.Luo H.J.Lyu X.R.Lyu J.P.Ma P.Ma Y.Ma Y.M.Ma F.Maas S.Malde D.Matvienko Z.X.Meng R.Mitchell A.Nefediev Y.Nefedov S.L.Olsen Q.Ouyang P.Pakhlov G.Pakhlova X.Pan Y.Pan E.Passemar Y.P.Pei H.P.Peng L.Peng X.Y.Peng X.J.Peng K.Peters S.Pivovarov E.Pyata B.B.Qi Y.Q.Qi W.B.Qian Y.Qian C.F.Qiao J.J.Qin J.J.Qin L.Q.Qin X.S.Qin T.L.Qiu J.Rademacker C.F.Redmer H.Y.Sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker institute of Nuclear Physics Novosibirsk 630090Russia CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central china Normal University Wuhan 430079China Central South University Changsha 410083China china University of Geosciences Wuhan 430074China china University of Mining and Technology Xuzhou 221116China École Polytechnique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China Goethe University Frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal University Guilin 541004China Guangxi Uninversity Nanning 530004China Hangzhou institute for Advanced Study UCASHangzhou 310024China Hebei Normal University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University of Technology Hefei 230601China Helmholtz institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China High Energy Physics Center Chung-Ang UniversitySeoul 06974Korea Higher School of Economy 1. Pokrovsky Bulvar Moscow 109028Russia Huangshan University Huangshan 245000China Hubei University of Automotive Technology Shiyan 442002China Hunan Normal University Changsha 410081China Hunan University of Science and Technology Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mongolia University Hohhot 010021China institute of Advanced Science Faci{1.ties Shenzhen 518107China institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China institute of Physics Academia SinicaTaipeiTaiwan 11529China institute of Theoretical Physics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

The superτ-charm facility(STCF)is an electron–positron collider proposed by the Chinese particle physics *** is designed to operate in a center-of-mass energy range from 2.to 7 GeV with a peak luminosity of 0.5×1.^(35) cm^(–2.·s^(–1. or *** STCF will produce a data sample about a factor of 1.0 larger than that of the presentτ-charm factory—the BEPCII,providing a unique platform for exploring the asymmetry of matter-antimatter(charge-parity violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for exotic hadrons and physics beyond the Standard *** STCF project in china is under development with an extensive R&D *** document presents the physics opportunities at the STCF,describes conceptual designs of the STCF detector system,and discusses future plans for detector R&D and physics case studies.

关键词： electron–positron collider tau-charm region high luminosity STCF detector conceptual design

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基于SPH方法的二维液舱晃荡特性研究

船舶力学 2024年第5期28卷 676-688页

作者：张之凡王越美李昌良张桂勇宗智大连理工大学船舶工程学院辽宁大连116024 大连理工大学工业装备与结构分析国家重点实验室辽宁大连116024 北京理工大学爆炸科学与技术国家重点实验室北京100081 中国石油大学(华东)石油工程学院山东青岛266580 高新船舶与深海开发装备协同创新中心上海200240

本文基于流固耦合动力学理论,建立二维液舱晃荡的光滑粒子流体动力学模型,并引入Dummy边界处理固定边界问题。首先,与实验结果对比验证模型的有效性;随后,分析不同横摇激励、多种载液率下自由液面的运动规律,研究液体抨击舱壁产生的压... 详细信息

本文基于流固耦合动力学理论,建立二维液舱晃荡的光滑粒子流体动力学模型,并引入Dummy边界处理固定边界问题。首先,与实验结果对比验证模型的有效性;随后,分析不同横摇激励、多种载液率下自由液面的运动规律,研究液体抨击舱壁产生的压力特性;在此基础上,设计单一隔板和组合隔板等不同制荡结构,探究共振频率、30%载液率下,自由液面形态和壁面冲击压力的特性。结果表明:在共振频率下,横摇幅值对压力峰值的影响最大;随着载液率的增加,壁面抨击压力双峰特性逐渐消失;当隔板尺度较小时,T型隔板更有利于降低压力的整体水平;双T型隔板可有效降低舱底冲击。

关键词： SPH方法 Dummy边界液舱晃荡抨击压力隔板结构设计