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Author Correction: The power of genetic diversity in genome-wide association studies of lipids

Nature 2023年第7965期618卷 E19-E20页

作者： Sarah E Graham Shoa L Clarke Kuan-Han H Wu Stavroula Kanoni Greg J M Zajac Shweta Ramdas Ida Surakka Ioanna Ntalla Sailaja Vedantam Thomas W Winkler Adam E Locke Eirini Marouli Mi Yeong Hwang Sohee Han Akira Narita Ananyo Choudhury Amy R Bentley Kenneth Ekoru Anurag Verma Bhavi Trivedi Hilary C Martin Karen A Hunt Qin Hui Derek Klarin Xiang Zhu Gudmar Thorleifsson Anna Helgadottir Daniel F Gudbjartsson Hilma Holm Isleifur Olafsson Masato Akiyama Saori Sakaue Chikashi Terao Masahiro Kanai Wei Zhou Ben M Brumpton Humaira Rasheed Sanni E Ruotsalainen Aki S Havulinna Yogasudha Veturi QiPing Feng Elisabeth A Rosenthal Todd Lingren Jennifer Allen Pacheco Sarah A Pendergrass Jeffrey Haessler Franco Giulianini Yuki Bradford Jason E Miller Archie Campbell Kuang Lin Iona Y Millwood George Hindy Asif Rasheed Jessica D Faul Wei Zhao David R Weir Constance Turman Hongyan Huang Mariaelisa Graff Anubha Mahajan Michael R Brown Weihua Zhang Ketian Yu Ellen M Schmidt Anita Pandit Stefan Gustafsson Xianyong Yin Jian'an Luan Jing-Hua Zhao Fumihiko Matsuda Hye-Mi Jang Kyungheon Yoon Carolina Medina-Gomez Achilleas Pitsillides Jouke Jan Hottenga Gonneke Willemsen Andrew R Wood Yingji Ji Zishan Gao Simon Haworth Ruth E Mitchell Jin Fang Chai Mette Aadahl Jie Yao Ani Manichaikul Helen R Warren Julia Ramirez Jette Bork-Jensen Line L Kårhus Anuj Goel Maria Sabater-Lleal Raymond Noordam Carlo Sidore Edoardo Fiorillo Aaron F McDaid Pedro Marques-Vidal Matthias Wielscher Stella Trompet Naveed Sattar Line T Møllehave Betina H Thuesen Matthias Munz Lingyao Zeng Jianfeng Huang Bin Yang Alaitz Poveda Azra Kurbasic Claudia Lamina Lukas Forer Markus Scholz Tessel E Galesloot Jonathan P Bradfield E Warwick Daw Joseph M Zmuda Jonathan S Mitchell Christian Fuchsberger Henry Christensen Jennifer A Brody Mary F Feitosa Mary K Wojczynski Michael Preuss Massimo Mangino Paraskevi Christofidou Niek Verweij Jan W Benjamins Jorgen Engmann Rachel L Kember Roderick C Slieker Ken Sin Lo Nuno R Zilhao Phuong Le Marcus E Kleber Graciela E Delgado Shaofeng Huo Dai Department of Internal Medicine Division of Cardiology University of Michigan Ann Arbor MI USA. VA Palo Alto Health Care System Palo Alto CA USA. Department of Medicine Division of Cardiovascular Medicine Stanford University School of Medicine Stanford CA USA. Department of Computational Medicine and Bioinformatics University of Michigan Ann Arbor MI USA. William Harvey Research Institute Barts and the London School of Medicine and Dentistry Queen Mary University of London London UK. Department of Biostatistics and Center for Statistics Genetics University of Michigan Ann Arbor MI USA. Department of Genetics Perelman School of Medicine University of Pennsylvania Philadelphia PA USA. Clinical Pharmacology William Harvey Research Institute Barts and The London School of Medicine and Dentistry Queen Mary University of London London UK. Endocrinology Boston Children's Hospital Boston MA USA. Medical and Population Genetics Broad Institute Cambridge MA USA. Department of Genetic Epidemiology University of Regensburg Regensburg Germany. McDonnell Genome Institute and Department of Medicine Washington University St Louis MO USA. Department of Precision Medicine Division of Genome Science National Institute of Health Cheongju-si South Korea. Tohoku Medical Megabank Organization Tohoku University Sendai Japan. Sydney Brenner Institute for Molecular Bioscience Faculty of Health Sciences University of the Witwatersrand Johannesburg South Africa. Center for Research on Genomics and Global Health National Human Genome Research Institute National Institutes of Health Bethesda MD USA. Blizard Institute Barts and the London School of Medicine and Dentistry Queen Mary University of London London UK. Wellcome Sanger Institute Hinxton UK. Department of Epidemiology Emory University Rollins School of Public Health Atlanta GA USA. Atlanta VA Health Care System Decatur GA USA. Malcolm Randall VA Medical Center Gainesville FL USA. Division of Vascular Sur

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Erratum to: Vol. 35 No. 1 Publisher’s Erratum

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Chinese Journal of Oceanology and Limnology 2017年第2期35卷 466-467页

作者： Shuangyan He Mingxia He Jürgen Fischer Dongliang Yuan Peng Xu Tengfei Xu Xianping Yang Leonid Sokoletsky Xiaodao Wei Fang Shen Juhong Zou Maohua Guo Songxue Cui Wu Zhou Dalu Gao Guangzhen Jin Xianqing Lü Fuwen Qiu Wendong Fang Aijun Pan Jing Cha Shanwu Zhang Jiang Huang Tao Wang Yongzhou Cheng Xiaoyan Chen Zhaopu Liu Xiaohua Long Zhishuai Hou Haishen Wen Jifang Li Feng He Qun Liu Jinhuan Wang Biao Guan Qinglong Wang Md. Shahjahan Md. Farajul Kabir Kizar Ahmed Sumon Lipi Rani Bhowmik Harunur Rashid Shu Li Kefu Yu Jianxin Zhao Yuexing Feng Tianran Chen Shun Zhou Yichao Ren Christopher M. Pearce Shuanglin Dong Xiangli Tian Qinfeng Gao Fang Wang Liming Liu Rongbin Du Xiaoling Zhang Shichun Sun Song Feng Jianing Lin Song Sun Fang Zhang Zhipeng Zhang Xuexi Tang Haitian Tang Jingjing Song Jian Zhou Hongjun Liu Qixiang Wang Kuimei Qian Xia Liu Yuwei Chen Chengjun Sun Fenghua Jiang Wei Gao Xiaoyun Li Yanzhen Yu Xiaofei Yin Yong Wang Haibing Ding Zhongmin Sun Yongqiang Wang Pengcheng Yan Hui Guo Jianting Yao Jiro Tanaka Hiroshi Kawai Na Song Muyan Chen Tianxiang Gao Takashi Yanagimoto Xia Lu Sheng Luan Jie Kong Longyang Hu Yong Mao Shengping Zhong Yan Liu Weihong Zhao Caiyan Li Hui Miao Ocean Remote Sensing Institute Ocean University of China Qingdao China Institute for Space Sciences Freie Universität Berlin Berlin Germany Ocean College Zhejiang University Hangzhou China Key Laboratory of Ocean Circulation and Waves (KLOCAW) Institute of Oceanology Chinese Academy of Sciences Qingdao China Qingdao Collaborative Innovation Center of Marine Science and Technology Qingdao China University of Chinese Academy of Sciences Beijing China First Institute of Oceanography State Oceanic Administration Qingdao China State Key Laboratory of Estuarine and Coastal Research East China Normal University Shanghai China National Satellite Ocean Application Service Beijing China Key Laboratory of Space Ocean Remote Sensing and Application SOA Beijing China Key Laboratory of Physical Oceanography (Ocean University of China) Ministry of Education Qingdao China Key Lab of Marine Science and Numerical Modeling First Institute of Oceanography SOA Qingdao China Third Institute of Oceanography State Oceanic Administration Xiamen China State Key Laboratory of Tropical Oceanography South China Sea Institute of Oceanology Chinese Academy of Sciences Guangzhou China Jiangsu Provincial Key Laboratory of Marine Biology College of Resources and Environmental Sciences Nanjing Agricultural University Nanjing China Fisheries College Ocean University of China Qingdao China Key Laboratory of Mariculture Ministry of Education Ocean University of China Qingdao China Department of Fisheries Management Bangladesh Agricultural University Mymensingh Bangladesh Sado Marine Biological Station Faculty of Science Niigata University Sado Niigata Japan Department of Aquatic Ecology and Water Quality Management Wageningen University Wageningen University and Research Centre Amsterdam The Netherlands Science and Math Program Asian University for Women Chittagong Bangladesh Key laboratory of Marginal Sea Geology South China Sea Institute of Oceanology Chinese Academy of Sciences

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Mapping nighttime PM2.5 from VIIRS DNB using a linear mixed effects model

Mapping nighttime PM2.5 from VIIRS DNB using a linear mixed ...

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第十三届全国气溶胶会议

作者： D.Fu X.Xia M.Duan X.Zhang X.Li J.Wang LAGEO Institute of Atmospheric PhysicsChinese Academy of Sciences College of Earth Sciences University of Chinese Academy of Sciences Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters Nanjing University of Information Science&Technology School of Atmospheric Sciences Plateau Atmosphere and Environment Key Laboratory of Sichuan ProvinceChengdu University of Information Technology National Satellite Meteorological Center China Meteorological Administration Department of Chemical and Biochemical Engineering Center for Global and Regional Environmental Studiesand Informatics InitiativeThe University of Iowa

Estimation of particulate matter with aerodynamic diameter less than 2.5 μm(PM) from daytime satellite aerosol products is widely reported in the literature, however, remote sensing nighttime PM from space is very *** shows a distinct diurnal cycle and PM concentration at 1:00 local standard time（LST） has a linear correlation coefficient（R） of 0.80 with daily-mean ***, estimation of nighttime PM is required for fully understanding of temporal variation of PM and its effects on air *** data from the Day/Night Band（DNB） of the Visible Infrared Imaging Radiometer Suite（VIIRS） and hourly PM data at 35 stations in Beijing, a mixed effects model has been developed to estimate nighttime PM from nighttime light radiance measurements based on the assumption that the DNB-PM relationship is constant spatially but varies ***-validation showed that the model developed using all stations could predict PM with mean determination coefficient（R） of 0.87± 0.12, 0.83±0.10, 0.87± 0.09, 0.83± 0.10 in spring, summer, autumn and *** analysis showed that the best model performance was achieved in urban stations with average crossvalidation R of *** rural stations, DNB light signal was likely contaminated by lunar illuminance that resulted in relatively poor estimation of *** fixed and random parameters of the mixed effects model in urban stations differed from those in suburban stations, which indicated that the assumption of the mixed effects model should be carefully evaluated when the method was used at a regional scale.

关键词： VIIRS/DNB the mixed effects model nighttime PM 2.5

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On the performance comparisons of several sparse reconstruction algorithms

On the performance comparisons of several sparse reconstruct...

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Progress in Electromagnetic Research Symposium (PIERS)

作者： Dou Sun Shiqi Xing Yongzhen Li Dahai Dai Bo Pang State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System National University of Defense Technology Changsha China College of Electronic Science and Engineering National University of Defense Technology Changsha China

ISBN: (纸本)9781509060948

It is hard to choose one appropriate sparse reconstruction algorithm from multiple existing algorithms in different occasions. Being aware of this difficulty, four typical sparse reconstruction algorithms are studied to present comprehensive performance evaluations in terms of reconstruction accuracy, super-resolution ability and noise immunity, and it is found that the BCS algorithm performs best in noise immunity, while the Lp-norm algorithm has an outstanding performance in super-resolution ability.

关键词： Signal resolution Signal processing algorithms Image resolution Bayes methods Signal to noise ratio Compressed sensing Optimization

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A Novel Barrage Repeater Jamming against SAR-GMTI

A Novel Barrage Repeater Jamming against SAR-GMTI

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European Conference on Antennas and Propagation

作者： Jingke Zhang Dahai Dai Shiqi Xing Shunping Xiao Bo Pang State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System National University of Defense Technology Changsha China College of Electronic Science and Engineering National University of Defense Technology Changsha China

ISBN: (纸本)9781509022342

Synthetic aperture radar ground moving target indication (SAR-GMTI) has been extensively used in the battle field information acquiring. In this paper, a barrage repeater jamming against SAR-GMTI is proposed. This method separates the intercepted radar signal into several equal segments and reradiates them back to the radar in a rearranged order. The essence of the method is that the separation number and the rearranged order are random between each pulse. The randomicity leads to a barrage jamming in SAR images which cannot be cancelled by displace phase-center antenna (DPCA) processing. Simulation results are presented to illustrate the validity of the proposed method.

关键词： synthetic aperture radar ground moving target indication (SAR-GMTI) displaced phase-center antenna (DPCA) random pulse separation and rearrangement repeater jamming

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Soil heavy metal contamination and microbial ecological risk assessment- A case study

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Chemical engineering Transactions 2016年 51卷 307-312页

作者： Zhang, Chi Yao, Jun Zhu, Cuiying Zhu, Mijia Sun, Jingjing National 'International Cooperation Based on Environment and Energy' School of Civil and Environmental Engineering University of Science and Technology Beijing Beijing100083 China Beijing100083 China College of Horticulture Science and Engineering National Key Laboratory of Crop Biology Shandong Agricultural University Tai'an271018 China

ISBN: (纸本)9788895608433

Yinshan mine is a vital lead and zinc producer affiliated with Jiang'xi copper company, the biggest copper producer in China. In this study, nine soil samples were collected from three different functional areas of Yinshan Mine (main mining areas, farmland near acid mine drainage pipe, soils along the Jishui river). The concentrations of (consider spelling out words) Cd, Cr, Zn, Cu, Ni, Pb were determined by ICP-AES and their potential ecological risks were assessed by single factors. The results revealed that the main mining areas had serious heavy metal contamination from intensive mining activity with a single factor index reaching 8.25(Cd) and 5.06(Cu). The farmland near the acid mine drainage pipe was heavily polluted in the surface soils with a single factor index reaching 3.93(Cd) while the soils along the Jishui river was moderately polluted with single factor index values of 1.60(Zn) for the surface soils, 3.13(Pb) for middle depth and 2.55(Cd) for the deepest sample. Urease test were applied to assess heavy metal contamination in soils. Copyright © 2016, AIDIC Servizi S.r.l.

关键词： Soils

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Seeds of life in space (SOLIS). VI. Chemical evolution of sulfuretted species along the outflows driven by the low-mass protostellar binary NGC1333-IRAS4A

arXiv

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arXiv 2020年

作者： Taquet, V. Codella, C. de Simone, M. López-Sepulcre, A. Pineda, J.E. Segura-Cox, D. Ceccarelli, C. Caselli, P. Gusdorf, A. Persson, M.V. Alves, F. Caux, E. Favre, C. Fontani, F. Neri, R. Oya, Y. Sakai, N. Vastel, C. Yamamoto, S. Bachiller, R. Balucani, N. Bianchi, E. Bizzocchi, L. Chacón-Tanarro, A. Dulieu, F. Enrique-Romero, J. Feng, S. Holdship, J. Lefloch, B. Jaber Al-Edhari, A. Jiménez-Serra, I. Kahane, C. Lattanzi, V. Ospina-Zamudio, J. Podio, L. Punanova, A. Rimola, A. Sims, I.R. Spezzano, S. Testi, L. Theulé, P. Ugliengo, P. Vasyunin, A.I. Vazart, F. Viti, S. Witzel, A. INAF Osservatorio Astrofisico di Arcetri Largo E. Fermi 5 Firenze50125 Italy Univ. Grenoble Alpes CNRS IPAG Grenoble38000 France Institut de Radioastronomie Millimétrique Saint-Martin d'Hères38406 France Max-Planck-Institut für Extraterrestrische Physik Giessenbachstr. 1 Garching85748 Germany Laboratoire de Physique de l'ENS ENS Université PSL CNRS Sorbonne Université Université de Paris Paris France Observatoire de Paris Université PSL Sorbonne Université LERMA Paris75014 France Department of Space Earth and Environment Chalmers University of Technology Onsala Space Observatory Onsala439 92 Sweden IRAP Université de Toulouse CNRS CNES UPS Toulouse France Department of Physics University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo113-0033 Japan RIKEN Cluster for Pioneering Research 2-1 Hirosawa Wako-shi Saitama351-0198 Japan IGN Observatorio Astronómico Nacional Calle Alfonso XII Madrid28004 Spain Dipartimento di Chimica Biologia e Biotecnologie Via Elce di Sotto 8 Perugia06123 Italy LERMA Université de Cergy-Pontoise Observatoire de Paris PSL Research University CNRS Sorbonne Université UPMC Univ. Paris 06 Cergy Pontoise95000 France National Astronomical Observatory of China Datun Road 20 Chaoyang Beijing100012 China CAS Key Laboratory of FAST NAOC Chinese Academy of Sciences Department of Physics and Astronomy University College London Gower Street LondonWC1E 6BT United Kingdom University of AL-Muthanna College of Science Physics Department AL-Muthanna Iraq Centro de Astrobiología CSIC INTA Ctra. de Ajalvir 4Tor-rejón de Ardoz Madrid28850 Spain Departament de Química Universitat Autònoma de Barcelona 08193 Bellaterra Catalonia Spain Univ Rennes CNRS IPR Institut de Physique de Rennes UMR 6251 RennesF-35000 France ESO Karl Schwarzchild Srt. 2 Garching bei München85478 Germany Aix-Marseille Université PIIM UMR-CNRS 7345 Marseille13397 France Università Degli Studi di Torino Dipartimento Chimica Via P

Context. Low-mass protostars drive powerful molecular outflows that can be observed with millimetre and submillimetre telescopes. Various sulfuretted species are known to be bright in shocks and could be used to infer the physical and chemical conditions throughout the observed outflows. Aims. The evolution of sulfur chemistry is studied along the outflows driven by the NGC1333-IRAS4A protobinary system located in the Perseus cloud to constrain the physical and chemical processes at work in shocks. Methods. We observed various transitions from OCS, CS, SO, and SO2 towards NGC1333-IRAS4A in the 1.3, 2, and 3mm bands using the IRAM NOrthern Extended Millimeter Array (NOEMA) and we interpreted the observations through the use of the Paris-Durham shock model. Results. The targeted species clearly show different spatial emission along the two outflows driven by IRAS4A. OCS is brighter on small and large scales along the south outflow driven by IRAS4A1, whereas SO2 is detected rather along the outflow driven by IRAS4A2 that is extended along the north east - south west (NE-SW) direction. SO is detected at extremely high radial velocity up to +25 km s−1 relative to the source velocity, clearly allowing us to distinguish the two outflows on small scales. Column density ratio maps estimated from a rotational diagram analysis allowed us to confirm a clear gradient of the OCS/SO2 column density ratio between the IRAS4A1 and IRAS4A2 outflows. Analysis assuming non Local Thermodynamic Equilibrium of four SO2 transitions towards several SiO emission peaks suggests that the observed gas should be associated with densities higher than 105 cm−3 and relatively warm (T > 100 K) temperatures in most cases. Conclusions. The observed chemical differentiation between the two outflows of the IRAS4A system could be explained by a different chemical history. The outflow driven by IRAS4A1 is likely younger and more enriched in species initially formed in interstellar ices, such as OCS, and re

关键词： Silicon compounds

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Author Correction: Ongoing declines for the world's amphibians in the face of emerging threats

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Nature 2024年第7993期625卷 E2页

作者： Jennifer A Luedtke Janice Chanson Kelsey Neam Louise Hobin Adriano O Maciel Alessandro Catenazzi Amaël Borzée Amir Hamidy Anchalee Aowphol Anderson Jean Ángel Sosa-Bartuano Ansel Fong G Anslem de Silva Antoine Fouquet Ariadne Angulo Artem A Kidov Arturo Muñoz Saravia Arvin C Diesmos Atsushi Tominaga Biraj Shrestha Brian Gratwicke Burhan Tjaturadi Carlos C Martínez Rivera Carlos R Vásquez Almazán Celsa Señaris S R Chandramouli Christine Strüssmann Claudia Fabiola Cortez Fernández Claudio Azat Conrad J Hoskin Craig Hilton-Taylor Damion L Whyte David J Gower Deanna H Olson Diego F Cisneros-Heredia Diego José Santana Elizah Nagombi Elnaz Najafi-Majd Evan S H Quah Federico Bolaños Feng Xie Francisco Brusquetti Francisco S Álvarez Franco Andreone Frank Glaw Franklin Enrique Castañeda Fred Kraus Gabriela Parra-Olea Gerardo Chaves Guido F Medina-Rangel Gustavo González-Durán H Mauricio Ortega-Andrade Iberê F Machado Indraneil Das Iuri Ribeiro Dias J Nicolas Urbina-Cardona Jelka Crnobrnja-Isailović Jian-Huan Yang Jiang Jianping Jigme Tshelthrim Wangyal Jodi J L Rowley John Measey Karthikeyan Vasudevan Kin Onn Chan Kotambylu Vasudeva Gururaja Kristiina Ovaska Lauren C Warr Luis Canseco-Márquez Luís Felipe Toledo Luis M Díaz M Monirul H Khan Madhava Meegaskumbura Manuel E Acevedo Marcelo Felgueiras Napoli Marcos A Ponce Marcos Vaira Margarita Lampo Mario H Yánez-Muñoz Mark D Scherz Mark-Oliver Rödel Masafumi Matsui Maxon Fildor Mirza D Kusrini Mohammad Firoz Ahmed Muhammad Rais N'Goran G Kouamé Nieves García Nono Legrand Gonwouo Patricia A Burrowes Paul Y Imbun Philipp Wagner Philippe J R Kok Rafael L Joglar Renoir J Auguste Reuber Albuquerque Brandão Roberto Ibáñez Rudolf von May S Blair Hedges S D Biju S R Ganesh Sally Wren Sandeep Das Sandra V Flechas Sara L Ashpole Silvia J Robleto-Hernández Simon P Loader Sixto J Incháustegui Sonali Garg Somphouthone Phimmachak Stephen J Richards Tahar Slimani Tamara Osborne-Naikatini Tatianne P F Abreu-Jardim Thais H Condez Thiago R De Carvalho Timothy P Cutajar Todd W Pierson Truong Re:wild Austin TX USA. jluedtke@***. IUCN SSC Amphibian Specialist Group Toronto Ontario Canada. jluedtke@***. Re:wild Austin TX USA. IUCN SSC Amphibian Specialist Group Toronto Ontario Canada. Museu Paraense Emílio Goeldi CZO/Herpetologia Belém Brazil. Florida International University Miami FL USA. Centro de Ornitologia y Biodiversidad (CORBIDI) Lima Peru. Laboratory of Animal Behaviour and Conservation College of Life Sciences Nanjing Forestry University Nanjing People's Republic of China. Laboratory of Herpetology Museum Zoologicum Bogoriense Research Center for Biosystematics and Evolution National Research and Innovation Agency (BRIN) Cibinong Indonesia. Department of Zoology Faculty of Science Kasetsart University Bangkok Thailand. Action Pour la Sauvegarde de l'Ecologie en Haïti (ACSEH) Les Cayes Haiti. Environmental Protection In the Caribbean (EPIC) Maho Sint Maarten. Museo de Vertebrados de la Universidad de Panamá Ciudad de Panama Panama. Centro Oriental de Ecosistemas y Biodiversidad (BIOECO) Museo de Historia Natural "Tomás Romay" Santiago de Cuba Cuba. IUCN SSC Amphibian Specialist Group Sri Lanka Gampola Sri Lanka. Laboratoire Évolution & Diversité Biologique UMR 5174 Université Toulouse III Paul Sabatier Toulouse France. Russian State Agrarian University-MTAA Moscow Russia. IUCN SSC Amphibian Specialist Group Bolivia La Paz Bolivia. Animal Nutrition Unit Department of Veterinary and Biosciences Ghent University Ghent Belgium. ASEAN Centre for Biodiversity University of the Philippines Los Baños Laguna Philippines. HerpWatch Pilipinas Manila Philippines. Faculty of Education University of the Ryukyus Okinawa Japan. Graduate School of Engineering and Science University of the Ryukyus Okinawa Japan. SAVE THE FROGS! Laguna Beach CA USA. The University of Texas at Arlington Arlington TX USA. Smithsonian Conservation Biology Institute Front Royal VA USA. Center for Environmental Studies Sanata Dharma University (CESSDU) Yogya

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MRTD formulation with convolution PML absorbing boundary condition

MRTD formulation with convolution PML absorbing boundary con...

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International Conference on Numerical Electromagnetic Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO)

作者： Yawen Liu Yan Li Jianping Yuan Jun Wang Department of Transportation Service Bengbu Academy of Automobile NCO Bengbu China National Key Laboratory on Electromagnetic Environment and Electro-optical Engineering PLA University of Science and Technology Nanjing China

ISBN: (纸本)9781467387637

A perfectly matched layer (PML) medium with complex frequency-shifted (CFS) constitutive parameters is introduced for the multiresolution time-domain (MRTD) method. The absorbing boundary is implemented by using the convolution PML (CPML), which is easier to obtain and more memory saving than the conventional implementation of PML when treating more generalized media. Numerical results show that the CPML can provide a satisfactory absorbing boundary condition.

关键词： Reflection Time-domain analysis Convolution Media Dispersion Optimized production technology Boundary conditions

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The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project

arXiv

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arXiv 2019年

作者： Porth, Oliver Chatterjee, Koushik Narayan, Ramesh Gammie, Charles F. Mizuno, Yosuke Anninos, Peter Baker, John G. Bugli, Matteo Chan, Chi-Kwan Davelaar, Jordy Zanna, Luca Del Etienne, Zachariah B. Fragile, P. Chris Kelly, Bernard J. Liska, Matthew Markoff, Sera McKinney, Jonathan C. Mishra, Bhupendra Noble, Scott C. Olivares, Héctor Prather, Ben Rezzolla, Luciano Ryan, Benjamin R. Stone, James M. Tomei, Niccolò White, Christopher J. Younsi, Ziri Akiyama, Kazunori Alberdi, Antxon Alef, Walter Asada, Keiichi Azulay, Rebecca Baczko, Anne-Kathrin Ball, David Baloković, Mislav Barrett, John Bintley, Dan Blackburn, Lindy Boland, Wilfred Bouman, Katherine L. Bower, Geoffrey C. Bremer, Michael Brinkerink, Christiaan D. Brissenden, Roger Britzen, Silke Broderick, Avery E. Broguiere, Dominique Bronzwaer, Thomas Byun, Do-Young Carlstrom, John E. Chael, Andrew Chatterjee, Shami Chen, Ming-Tang Chen, Yongjun Cho, Ilje Christian, Pierre Conway, John E. Cordes, James M. Crew, Geoffrey B. Cui, Yuzhu Laurentis, Mariafelicia De Deane, Roger Dempsey, Jessica Desvignes, Gregory Doeleman, Sheperd S. Eatough, Ralph P. Falcke, Heino Fish, Vincent L. Fomalont, Ed Fraga-Encinas, Raquel Freeman, Bill Friberg, Per Fromm, Christian M. Gómez, José L. Galison, Peter García, Roberto Gentaz, Olivier Georgiev, Boris Goddi, Ciriaco Gold, Roman Gu, Minfeng Gurwell, Mark Hada, Kazuhiro Hecht, Michael H. Hesper, Ronald Ho, Luis C. Ho, Paul Honma, Mareki Huang, Chih-Wei L. Hughes, David H. Ikeda, Shiro Inoue, Makoto Issaoun, Sara James, David J. Jannuzi, Buell T. Janssen, Michael Jeter, Britton Jiang, Wu Johnson, Michael D. Jorstad, Svetlana Jung, Taehyun Karami, Mansour Karuppusamy, Ramesh Kawashima, Tomohisa Keating, Garrett K. Kettenis, Mark Kim, Jae-Young Kim, Junhan Kim, Jongsoo Kino, Motoki Koay, Jun Y.I. Koch, Patrick M. Koyama, Shoko Kramer, Michael Kramer, Carsten Krichbaum, Thomas P. Kuo, Cheng-Yu Lauer, Tod R. Lee, Sang-Sung Li, Yan-Rong Li, Zhiyuan Lindqvist, Michael Liu, Kuo Liuzzo, Elisabetta Lo, Wen-Ping Lobanov, Andrei P. Loinard, Lau Anton Pannekoek Institute for Astronomy University of Amsterdam Science Park 904 Amsterdam1098 XH Netherlands Institut für Theoretische Physik Goethe-Universität Frankfurt Max-von-Laue-Straße 1 Frankfurt am MainD-60438 Germany Center for Astrophysics Harvard & Smithsonian 60 Garden Street CambridgeMA02138 United States Black Hole Initiative at Harvard University 20 Garden Street CambridgeMA02138 United States Department of Astronomy Department of Physics University of Illinois UrbanaIL61801 United States Lawrence Livermore National Laboratory LivermoreCA94550 United States Gravitational Astrophysics Laboratory NASA Goddard Space Flight Center GreenbeltMD20771 United States Joint Space-Science Institute University of Maryland College ParkMD20742 United States IRFU Département d’Astrophysique Laboratoire AIM CEA/DRF-CNRS-Université Paris Diderot CEA-Saclay F-91191 France Steward Observatory and Department of Astronomy University of Arizona 933 N. Cherry Ave. TucsonAZ85721 United States Data Science Institute University of Arizona 1230 N. Cherry Ave. TucsonAZ85721 United States Radboud University P.O. Box 9010 Nijmegen6500 GL Netherlands Dipartimento di Fisica e Astronomia Università di Firenze e INFN – Sez. di Firenze via G. Sansone 1 Sesto F.noI-50019 Italy INAF Osservatorio Astrofisico di Arcetri Largo E. Fermi 5 FirenzeI-50125 Italy Department of Mathematics West Virginia University MorgantownWV26506 United States Center for Gravitational Waves and Cosmology West Virginia University Chestnut Ridge Research Building MorgantownWV26505 United States Department of Physics & Astronomy College of Charleston 66 George St. CharlestonSC29424 United States Department of Physics University of Maryland Baltimore County BaltimoreMD21250 United States CRESST NASA Goddard Space Flight Center GreenbeltMD20771 United States Anton Pannekoek Institute for Astronomy & GRAPPA University of Amsterdam Postbus 94249 Amsterdam1090G

Recent developments in compact object astrophysics, especially the discovery of merging neutron stars by LIGO, the imaging of the black hole in M87 by the Event Horizon Telescope (EHT) and high precision astrometry of the Galactic Center at close to the event horizon scale by the GRAVITY experiment motivate the development of numerical source models that solve the equations of general relativistic magnetohydrodynamics (GRMHD). Here we compare GRMHD solutions for the evolution of a magnetized accretion flow where turbulence is promoted by the magnetorotational instability from a set of nine GRMHD codes: Athena++, BHAC, Cosmos++, ECHO, H-AMR, iharm3D, HARM-Noble, IllinoisGRMHD and KORAL. Agreement between the codes improves as resolution increases, as measured by a consistently applied, specially developed set of code performance metrics. We conclude that the community of GRMHD codes is mature, capable, and consistent on these test problems. Copyright © 2019, The Authors. All rights reserved.

关键词： Magnetohydrodynamics

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