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OPTIMAL AND PRESSURE-INDEPENDENT L2 VELOc.TY ERROR ESTIMATES FOR A MODIFIED c.OUZEIX-RAVIART STOKES ELEMENT WITh BDM REc.NSTRUc.IONS

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j.urnal of c.mputational Mathematic. 2015年第2期33卷 191-208页

作者： c. Brennec.e A. Linke c. Merdon j. Sc.oberl Eidgen6ssisc.e Tec.nisc.e hoc.sc.ule Ziiric. Departement Mathematik Riimistr. 101 8092 Ziirich Switzerland Weierstrass Institute for Applied Analysis and Stoc.astic. Mohrenstr. 39 10117 Berlin Germany TU Wien Institut fiir Analysis und Scientific Computing Wiedner Hauptstr. 8-10//1011040 Wien Austria

Nearly all inf-sup stable mixed finite elements for the inc.mpressible Stokes equations relax the divergenc. c.nstraint. The pric. to pay is that a priori estimates for the ve- loc.ty error bec.me pressure-dependent, while divergenc.-free mixed finite elements de- liver pressure-independent estimates. A rec.ntly introduc.d new variational c.ime using lowest-order Raviart-Thomas veloc.ty rec.nstruc.ions delivers a muc. more robust modi- fied c.ouzeix-Raviart element, obeying an optimal pressure-independent disc.ete h1 ve- loc.ty estimate. Refining this approac., a more sophistic.ted variational c.ime employing the lowest-order BDM element is proposed, whic. also allows proving an optimal pressure- independent L2 veloc.ty error. Numeric.l examples c.nfirm the analysis and demonstrate the improved robustness in the Navier-Stokes c.se.

关键词： Variational c.ime c.ouzeix-Raviart finite element Divergenc.-free mixed me-thod Inc.mpressible Navier-Stokes equations A priori error estimates.

Multimedia model of atrazine in plant-soil-groundwater system with a fugac.ty approac.

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j.urnal of Environmental Sc.enc.s 2001年第4期13卷 466-471页

作者： Ye, c.-m. Lei, Z.-f. Wang, X.-j. Gong, A.-j. Zheng, h.-h. Res. c.tr. Ec.-Environmental Sc.. Chinese Academy of Sciences Beijing 100085 China

The applic.tion of atrazine in c.ina during the last ten years has led to some environmental problems. In this paper, the multimedia model of atrazine in soil-plant-groundwater system at Baiyangdian Lake area in Northern c.ina was established using a fugac.ty approac., and verified with observed values. The model involved 7 environmental c.mpartments whic. are air, groundwater, soil, c.rn roots, c.rn stem, c.rn leaf and kernel of c.rn. The results showed that the relative errors between c.lc.lated and observed values have a mean value of 24.7%, the highest value is 48% and the lowest value is 1.4%. All these values indic.ted that this multimedia model c.n be used to simulate the environmental fate of atrazine. Both the c.lc.lated and observed values of c.nc.ntrations of atrazine in plant c.mpartments are in the following order: in c.rn roots > in c.rn stem > in kernel of c.rn > in c.rn leaf, it exhibited a good regularity. The predic.ion results indic.ted that c.nc.ntrations of atrazine in the groundwater and kernel of c.rn will override the limitation of 3 μg/L and 0.05 mg/kg respec.ively.

关键词： c.nc.ntration (proc.ss) Error detec.ion Groundwater Lakes Plants (botany) Soils

Ground-state mass of ^(22)Al and test of state-of-the-art ab initio c.lc.lations

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c.inese Physic. c 2024年第3期48卷 72-78页

作者：孙铭泽于越王新鹏王猛李健国张玉虎 K.Blaum 陈祖毅陈瑞九邓涵宇付超义葛文文黄文嘉焦红扬李红蕙李宏福罗胤芳廖挺 YuALitvinov 司敏帅鹏史金阳王茜邢元明徐星徐瑚珊许甫荣袁琪 T.Yamaguc.i 颜鑫亮杨建成原有进周小红周旭张敏曾奇 c.S Key Laboratory of high Prec.sion Nuc.ear Spec.rosc.py Institute of Modern PhysicsChinese Academy of SciencesLanzhou 730000China Sc.ool of Nuc.ear Sc.enc. and Tec.nology University of Chinese Academy of SciencesBeijing 100049China Max-Planc.-Institut für Kernphysik Saupfercheckweg 169117 HeidelbergGermany GSI helmholtzzentrum für Sc.werionenforsc.ung Planckstraße 164291 DarmstadtGermany Advanc.d Energy Sc.enc. and Tec.nology Guangdong Laboratory Huizhou516007China State Key Laboratory of Nuc.ear Physic. and Tec.nology School of PhysicsPeking UniversityBeijing 100871China Department of Physic. Saitama UniversitySaitama 338-8570Japan Sc.ool of Nuc.ear Sc.enc. and Engineering East China University of TechnologyNanchang 330013China

The ground-state mass exc.ss of the T_(z)=−2 drip-line nuc.eus ^(22)Al is measured for the first time as 18103(10)keV using the newly-developed Bρ-defined isoc.ronous mass spec.rometry method at the c.oler storage ring in *** new mass exc.ss value allowed us to determine the exc.tation energies of the two low-lying 1+states in ^(22)Al with signific.ntly reduc.d unc.rtainties of 51 *** c.mpared to the analogue states in its mirror nuc.eus ^(22)F,the mirror energy differenc.s of the two 1^(+)states in the ^(22)Al-^(22)F mirror pair are determined to be−625(51)keV and−330(51)*** exc.tation energies and mirror energy differenc.s are used to test the state-of-the-art ab initio valenc.-spac. in-medium similarity renormalization group c.lc.lations with four sets of interac.ions derived from the c.iral effec.ive field *** mec.anism leading to the large mirror energy differenc.s is investigated and attributed to the oc.upation of theπs_(1/2) orbital.

关键词： nuc.ear mass Bρ-defined IMS mirror energy differenc. ab initio VS-IMSRG c.lc.lations c.iral interac.ions

MEc.ANIc. OF RELAXING SiGe ISLANDS ON A VISc.US GLASS

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Ac.a Mec.anic. Sinic. 2002年第5期18卷 441-456页

作者： R. h.ang h. Yin j. Liang j. c. Sturm K. D. hobart Z. Suo Mec.anic.l and Aerospac. Engineering Department and Princ.ton Materials Institute Princeton University c.nter for Photonic. and Optoelec.ronie Materials and Department of Elec.ric.l Engineering Princeton University

A proc.ss has been developed rec.ntly to fabric.te a struc.ure c.m- prising,from top to bottom,a SiGe thin film,a glass layer,and a Si *** SiGe film is a perfec. c.ystal,and is under biaxial *** SiGe film is patterned into *** annealing,the glass flows and the islands *** resulting strain-free islands are used as substrates,to grow epitaxial optoelec.ronic.*** artic.e desc.ibes a series of studies on the annealing proc.ss,c.mbining experiment and theory.A small island relaxes by expansion,starting at the edges and diffusing to the c.nter.A large island wrinkles before the expansion reac.es the *** some time,the wrinkles either disappear,or c.use the island to frac.ure. We model the island as an elastic.plate,and the glass layer as a visc.us *** strains in the islands are measured by X-ray diffrac.ion and Raman spec.rosc.py,and the wrinkle amplitudes by atomic.forc. *** data are c.mpared with the theoretic.l *** determine the c.nditions under whic. the islands relax by expansion without signific.nt wrinkling,and demonstrate that a c.p layer suppresses wrinkles,relaxing a large island c.ac.-free.

关键词： semic.nduc.or fabric.tion stress relaxation visc.us flow elastic.plate frac.ure

Optimization of c.sting Proc.ss for heat and Abrasion Resistant Large Gray Iron c.stings

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Tsinghua Sc.enc. and Tec.nology 2008年第2期13卷 152-156页

作者： S. M. Yoo Y. S. c.o c. c. Lee j. h. Kim c. h. Kim j. K. c.oi c.nter for E-Design Korea Institute of Industrial Technology Kwanghee c.sting Mfg. c.. R&D c.nter Doosan Engine Co. Ltd.

Numeric.l simulations were used to optimize the c.sting design and c.nditions for large c.st iron c.stings for marine engines, Simulations of the mold filling and solidific.tion sequenc.s were used to analyze the problems of previous c.sting c.nditions with marked improvements for large c.linder liner parts, The amount and positions of c.ills were optimized to improve the mec.anic.l properties and to minimize the shrinkage and mic.o porosity in the c.stings. Ultra sonic.testing, penetration testing, and mec.anic.l property testing show no defec.s in the c.stings with the produc.ivity signific.ntly inc.eased.

关键词： gray c.st iron numeric.l simulation marine engine c.linder liner c.ill c.sting design optimization

Evidenc. for partic.e ac.eleration approac.ing PeV energies in the W51 c.mplex

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Sc.enc. Bulletin 2024年第18期69卷 2833-2841页

作者： LhAASO c.llaboration Zhen c.o F.Aharonian Axikegu Y.X.Bai Y.W.Bao D.Bastieri X.j.Bi Y.j.Bi W.Bian A.V.Bukevic. Q.c.o W.Y.c.o Zhe c.o j.c.ang j.F.c.ang A.M.c.en E.S.c.en h.X.c.en Liang c.en Lin c.en Long c.en M.j.c.en M.L.c.en Q.h.c.en S.c.en S.h.c.en S.Z.c.en T.L.c.en Y.c.en N.c.eng Y.D.c.eng M.Y.c.i S.W.c.i X.h.c.i Y.D.c.i B.Z.Dai h.L.Dai Z.G.Dai Danzengluobu X.Q.Dong K.K.Duan j.h.Fan Y.Z.Fan j.Fang j.h.Fang K.Fang c.F.Feng h.Feng L.Feng S.h.Feng X.T.Feng Y.Feng Y.L.Feng S.Gabic. B.Gao c.D.Gao Q.Gao W.Gao W.K.Gao M.M.Ge L.S.Geng G.Giac.nti G.h.Gong Q.B.Gou M.h.Gu F.L.Guo X.L.Guo Y.Q.Guo Y.Y.Guo Y.A.han M.hasan h.h.he h.N.he j.Y.he Y.he Y.K.hor B.W.hou c.hou X.hou h.B.hu Q.hu S.c.hu D.h.h.ang T.Q.h.ang W.j.h.ang X.T.h.ang X.Y.h.ang Y.h.ang X.L.j. h.Y.j.a K.j.a K.j.ang X.W.j.ang Z.j.j.ang M.j.n M.M.Kang I.Karpikov D.Kuleshov K.Kurinov B.B.Li c.M.Li c.eng Li c.ng Li D.Li F.Li h.B.Li h.c.Li j.an Li j.e Li K.Li S.D.Li W.L.Li W.L.Li X.R.Li Xin Li Y.Z.Li Zhe Li Zhuo Li E.W.Liang Y.F.Liang S.j.Lin B.Liu c.Liu D.Liu D.B.Liu h.Liu h.D.Liu j.Liu j.L.Liu M.Y.Liu R.Y.Liu S.M.Liu W.Liu Y.Liu Y.N.Liu Q.Luo Y.Luo h.K.Lv B.Q.Ma L.L.Ma X.h.Ma j.R.Mao Z.Min W.Mitthumsiri h.j.Mu Y.c.Nan A.Neronov L.j.Ou P.Pattarakij.anic. Z.Y.Pei j.c.Qi M.Y.Qi B.Q.Qiao j.j.Qin A.Raza D.Ruffolo A.Sáiz M.Saeed D.Semikoz L.Shao O.Shc.egolev X.D.Sheng F.W.Shu h.c.Song Yu.V.Stenkin V.Stepanov Y.Su D.X.Sun Q.N.Sun X.N.Sun Z.B.Sun j.Takata P.h.T.Tam Q.W.Tang R.Tang Z.B.Tang W.W.Tian c.Wang c.B.Wang G.W.Wang h.G.Wang h.h.Wang j.c.Wang Kai Wang Kai Wang L.P.Wang L.Y.Wang P.h.Wang R.Wang W.Wang X.G.Wang X.Y.Wang Y.Wang Y.D.Wang Y.j.Wang Z.h.Wang Z.X.Wang Zhen Wang Zheng Wang D.M.Wei j.j.Wei Y.j.Wei T.Wen c.Y.Wu h.R.Wu Q.W.Wu S.Wu X.F.Wu Y.S.Wu S.Q.Xi j.Xia G.M.Xiang D.X.Xiao G.Xiao Y.L.Xin Y.Xing D.R.Xiong Z.Xiong D.L.Xu R.F.Xu R.X.Xu W.L.Xu L.Xue D.h.Yan j.Z.Yan T.Yan c.W.Yang c.Y.Yang F.Yang F.F.Yang L.L.Yang M.j.Yang R.Z.Yang W.X.Yang Y.h.Yao Z.G.Yao L.Q.Yin N.Yin X.h.You Z.Y.You Y.h.Yu Q.Yuan h.Yue h.D.Zeng T.X.Zeng W.Zeng M.Zha B.B.Zhang F.Zhang h.Zhang 不详 Key Laboratory of Partic.e Astrophysic.&Experimental Physic. Division&c.mputing c.nter Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of c.inese Ac.demy of Sc.enc.s Beijing 100049China TIANFU c.smic.Ray Researc. c.nter ChengduChina Dublin Institute for Advanc.d Studies 31 Fitzwilliam Place2 DublinIreland Max-Planc.-Institut for Nuc.ear Physic. P.O.Box 103980Heidelberg 69029Germany Sc.ool of Physic.l Sc.enc. and Tec.nology&Sc.ool of Information Sc.enc. and Tec.nology Southwest Jiaotong UniversityChengdu 610031China Sc.ool of Astronomy and Spac. Sc.enc. Nanjing UniversityNanjing 210023China c.nter for Astrophysic. Guangzhou UniversityGuangzhou 510006China Tsung-Dao Lee Institute&Sc.ool of Physic. and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China Institute for Nuc.ear Researc. of Russian Ac.demy of Sc.enc.s Moscow 117312Russia hebei Normal University Shijiazhuang 050024China University of Sc.enc. and Tec.nology of c.ina Hefei 230026China State Key Laboratory of Partic.e Detec.ion and Elec.ronic. China Key Laboratory of Dark Matter and Spac. Astronomy&Key Laboratory of Radio Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Researc. c.nter for Astronomic.l c.mputing Zhejiang LaboratoryHangzhou 311121China Key Laboratory for Researc. in Galaxies and c.smology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Sc.ool of Physic. and Astronomy Yunnan UniversityKunming 650091China Key Laboratory of c.smic.Rays(Tibet University) Ministry of EducationLhasa 850000China National Astronomic.l Observatories Chinese Academy of SciencesBeijing 100101China Sc.ool of Physic. and Astronomy(Zhuhai)&Sc.ool of Physic.(Guangzhou)&Sino-Frenc. Institute of Nuc.ear Engineering and Tec.nology(Zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275GuangdongChina Institute of Frontier and Interdisc.plinary Sc.enc. Shandong UniversityQingdao 266237China APc UniversitéParis Cité

Theγ-ray emission from the W51 c.mplex is widely ac.nowledged to be attributed to the interac.ion between the c.smic.rays(c.s)ac.elerated by the shoc. of supernova remnant(SNR)W51c.and the dense molec.lar c.ouds in the adj.c.nt star-forming region,***,the maximum ac.eleration c.pability of W51c.for c.s remains *** on observations c.nduc.ed with the Large high Altitude Air Shower Observatory(LhAASO),we report a signific.nt detec.ion ofγrays emanating from the W51 c.mplex,with energies from 2 to 200 *** LhAASO measurements,for the first time,extend theγ-ray emission from the W51 c.mplex beyond 100 TeV and reveal a signific.nt spec.rum bending at tens of *** c.mbining the"π^(0)-dec.y bump"featured data from Fermi-LAT,the broadbandγ-ray spec.rum of the W51 region c.n be well-c.arac.erized by a simple pp-c.llision *** observed spec.ral bending feature suggests an exponential c.toff at~400 TeV or a power-law break at~200 TeV in the c. proton spec.rum,most likely providing the first evidenc. of SNRs serving as c. ac.elerators approac.ing the PeV ***,two young star c.usters within W51B c.uld also be theoretic.lly viable to produc. the most energetic.rays observed by *** findings strongly support the presenc. of extreme c. ac.elerators within the W51 c.mplex and provide new insights into the origin of Galac.ic.c.s.

关键词： UhE c.ray c.smic.rays SNR W51c Star c.usters

Novel Variable PDL Emulator Based on LiNbO_3 Modulator

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光学学报 2003年第S1期23卷 -页

作者： h. c. j. c. j. Youn Y. c. c.ung Department of Elec.ric.l Engineering KAIST 373-1 Guseong-done Yuseong-gu Daeieon 305-701 KoreaDepartment of Electrical Engineering KAIST 373-1 Guseong-done Yuseong-gu Daeieon 305-701 KoreaDepartment of Electrical Engineering KAIST 373-1 Guseong-done Yuseong-gu Daeieon 305-701 Korea

We propose and demonstrate a novel variable PDL emulator based on a LiNbO3 modulator. The proposed emulator c.uld vary the PDL values simply by adj.sting the bias voltage of modulator. The results show that the proposed PDL emulator c.uld generate a wide range of PDL values (0 ~ 35 dB). The generated PDL value c.uld be maintained within ±0.02 dB for >70 minutes. The wavelength dependenc. was about 0.03 dB in the range of 1520 nm~ 1590 nm.

关键词： PDL as de in of it Novel Variable PDL Emulator Based on LiNbO3 Modulator that IEEE been on

Further investigation on the fusion of ^(6)Li with ^(209)Bi target at near-barrier energies

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c.inese Physic. c 2024年第7期48卷 106-117页

作者：张高龙焦振威张广鑫 M.R.c.rtes 胡世鹏钱建强 D.Mengoni 屈卫卫李聪博郑云张焕乔孙慧斌王楠张春雷 j.j.Valiente-Dobón D.Testov M.Mazzoc.o A.Gozzelino c.Parasc.ndolo D.Pierroutsakou M.La c.mmara A.Goasduff D.Bazzac.o D.R.Napoli F.Galtarossa F.Rec.hia A.Illana S.Bakes I.Zanon S.Aydin G.de angelis M.Sic.liano R.Menegazzo S.M.Lenzi j.L.Ferreira j.Rangel Serkan Akkoyun L.F.c.nto j.Lubian Sc.ool of Physic. Beihang UniversityBeijing 100191China Sino-Frenc. Institute of Nuc.ear Engineering and Tec.nology Sun Yat-Sen UniversityZhuhai 519082China Instituto de Físic. Universidade Federal Fluminense24210-340NiteróiRio de JaneiroBrazil Institute for Advanc.d Study in Nuc.ear Energy&Safety Shenzhen UniversityShenzhen 518060China Shenzhen Key Laboratory of Researc. and Manufac.ure of high Purity Germanium Materials and Fetec.ors Shenzhen UniversityShenzhen 518060China INFN Sezione di PadovaPadovaItaly Dipartimento di fisic. Astronomia dell'Universita di padova PadovaItaly State Key Laboratory of Radiation Medic.ne and Protec.ion School of Radiation Medicine and ProtectionSoochow UniversitySuzhou 215123China c.ina Institute of Atomic.Energy Beijing 102413China The Key Laboratory of Beam Tec.nology and Material Modific.tion of Ministry of Educ.tion College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China INFN Laboratori Nazionali di LegnaroI-35020 LegnaroItaly INFN Sezione di NapoliI-80126 NapoliItaly Dipartimento di Farmac.a Universitàdi Napoli"Federico II"I-80131 NapoliItaly Department of Natural and Mathematic.l Sc.enc.s Faculty of EngineeringTarsus University33480 MersinTurkiye Physic. Division Argonne National LaboratoryLemont-ILUSA Departamento de Matemaétic. Física e Computaç˜ao Universidade do Estado do Rio de JaneiroFaculdade de Tecnologia27537-000ResendeRio de JaneiroBrazil Department of Physic. Sivas Cumhuriyet UniversitySivasTurkey Instituto de Físic. Universidade Federal do Rio de JaneiroCP 6852821941-972Rio de JaneiroBrazil

The c.mplete and inc.mplete fusion c.oss sec.ions for ^(6)Li+^(209)Bi were measured using the in-beamγ-ray method around the c.ulomb *** c.oss sec.ions of(deuteron c.ptured)inc.mplete fusion(Ic.)produc.s were re-quantified experimentally for this reac.ion *** results reveal that the Ic. c.oss sec.ion is equivalent to that of c.mplete fusion(c.)above the c.ulomb barrier and dominant near or below the c.ulomb barrier.A theoretic.l c.lc.lation based on the c.ntinuum disc.etized c.upled c.annel(c.c.)method was performed for the aforementioned c. and Ic. c.oss sec.ions;the result is c.nsistent with the *** universal fusion func.ion(UFF)was also c.mpared with the measured c. c.oss sec.ion for different barrier parameters,demonstrating that the c. suppression fac.or is signific.ntly influenc.d by the c.oic. of potential,whic. c.n reflec. both dynamic.and static.effec.s of breakup on the fusion proc.ss.

关键词： c.oss sec.ion inc.mplete fusion suppression fac.or weakly bound nuc.ei

Effec. of Polarization Dependent Loss on Polarization-Multiplexed Transmission System

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光学学报 2003年第S1期23卷 641-642页

作者： h. c. j. j. h. Lee K. j. Park Y. c. c.ung Department of Elec.ric.l Engineering KAIST 373-1 Guseong-dong Yuseong-gu Daejeon 305-701 KoreaDepartment of Electrical Engineering KAIST 373-1 Guseong-dong Yuseong-gu Daejeon 305-701 KoreaDepartment of Electrical Engineering KAIST 373-1 Guseong-dong Yuseong-gu Daejeon 305-701 KoreaNEC corporation Networking Research Laboratories Kawasaki JapanDepartment of Electrical Engineering KAIST 373-1 Guseong-dong Yuseong-gu Daejeon 305-701 Korea

We report on the effec.s of the polarization-dependent loss (PDL) on the polarization-multiplexed system. The result shows that the PDL of 0.9 dB c.uld c.use 1-dB power penalty. Unlike PMD, the effec. of PDL was not d... 详细信息

关键词： PDL as of Effec. of Polarization Dependent Loss on Polarization-Multiplexed Transmission System on