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BISECTION: 作品数：20被引量：49H指数：3; 导出分析报告; 相关领域：自动化与计算机技术理学更多>>; 相关作者：马鸿蒿杰李熙喆彭思龙更多>>; 相关机构：中国石油西南油气田分公司中国科学院大学中国科学技术大学中国石油天然气集团公司更多>>; 相关期刊：《Chinese Journal of Electronics》《Chinese Journal of Mechanical Engineering》《Science China Mathematics》《Journal of Computational Mathematics》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划更多>>

页岩气开采中的压力变化与气液传质规律: 《力学与实践》2024年第5期1004-1014,共11页卢志炜李熙喆赵圣贤郝有志; 国家重大科技专项(2017ZX05009005-002)资助项目。; 根据页岩气的赋存及流动机理,建立考虑页岩渗吸与吸附、渗流与扩散的流动方程,采用线段源叠加解等效为压裂产生的压力分布作为方程的初始条件,使用非结构PEBI(perpendicular bisection)网格对水平井多段压裂井进行网格划分,有限体积法...; 关键词：页岩气排采 PEBI(perpendicular bisection)网格压力双漏斗气液双向传质高频压力监测

Wide Stopband Substrate Integrated Waveguide Filter Using Bisection and Trisection Coupling in Multilayer: 《Chinese Journal of Electronics》2024年第2期436-442,共7页Peng CHU Jianguo FENG Peng ZHU Lei GUO Long ZHANG Leilei LIU Guoqing LUO Ke WU; supported in part by the National Natural Science Foundation of China(Grant Nos.61601246,62001081,and 62001250);the open research fund of the National and Local Joint Engineering Laboratory of RF Integration and Micro-Assembly Technology(Grant No.KFJJ20210203);the Natural Science Foundation of Nanjing University of Posts and Telecommunications(Grant No.NY221061).; This article presents a highly efficient method for substrate-integrated-waveguide(SIW)filters to achieve very wide stopbands.By employing the proposed trisection slots in addition to the bisection slots as the inter-...; 关键词：Bandpass filter Wide stopband Substrate integrated waveguide Spurious mode suppression Multilayer.

Weak External Bisection of Some Graphs: 《Journal of Applied Mathematics and Physics》2024年第1期91-97,共7页Yumin Liu; Let G be a graph. A bipartition of G is a bipartition of V (G) with V (G) = V₁ ∪ V₂ and V₁ ∩ V₂ = ∅. If a bipartition satisfies ∥V₁∣ - ∣V₂∥ ≤ 1,...; 关键词：Weak External Bisection Bipartite Graph Windmill Graph

Specific Order and Bisection Search Aided Joint 3D Beamforming and RIS Reflecting Optimization被引量：1: 《China Communications》2023年第5期330-339,共10页Hongxing He Li Li Peichang Zhang Xiaohu Tang; supported by the National Key R&D Program of China under Grant 2019YFB1803400;partly by National Natural Science Foundation of China under Grant 62071394.; In this paper,a three-node transmission model is conceived,where the base station(BS)node leverages 3D beamforming,the reconfigurable intelligent surface(RIS)node can constructively reconfigure the wireless channel,th...; 关键词：reconfigurable intelligent surface vertical beamforming joint optimization

Full friendly index sets of mCn: 《Frontiers of Computer Science》2022年第3期95-99,共5页Yurong JI Jinmeng LIU Yujie BAI Shufei WU; This work was supported partly by the National Natural Science Foundation of China(Grant Nos.11801149,11801148);S.Wu was also partially supported by the Doctoral Fund of Henan Polytechnic University(B2018-55).; Let G be a connected simple graph with vertex set V(G)and edge set E(G).A binary vertex labeling f:V(G)→Z2,is said to be friendly if the number of vertices with different labels differs by at most one.Each vertex fri...; 关键词：vertex labeling friendly labeling full friendly index set PARTITION BISECTION

n-transitivity of Bisection Groups of a Lie Groupoid: 《Acta Mathematica Sinica,English Series》2017年第8期1061-1072,共12页Tomasz RYBICKI; Partially supported by AGH grant n.11.420.40; The notion of n-transitivity can be carried over from groups of diffeomorphisms on a manifold M to groups of bisections of a Lie groupoid over M. The main theorem states that the n-transitivity is fulfilled for all n ...; 关键词：Lie groupoid BISECTION n-transitivity LOCALITY symplectic groupoid Lagrangian bisection

Judicious Bisection of Hypergraphs: 《Acta Mathematica Sinica,English Series》2016年第5期579-584,共6页Yu Cong TANG Xin XU Guang Hui WANG; Judicious bisection of hypergraphs asks for a balanced bipartition of the vertex set that optimizes several quantities simultaneously. In this paper, we prove that if G is a hypergraph with n vertices and ni edges of ...; 关键词：PARTITION judicious bisection HYPERGRAPH

Distances Between Phylogenetic Trees: A Survey: 《Tsinghua Science and Technology》2013年第5期490-499,共10页Feng Shi Qilong Feng Jianer Chen Lusheng Wang Jianxin Wang; supported by the National Natural Science Foundation of China (Nos.61103033,61173051, 61232001,and 70921001); Phylogenetic trees have been widely used in the study of evolutionary biology for representing the tree-like evolution of a collection of species. However, different data sets and different methods often lead to the c...; 关键词：phylogenetic tree tree bisection and reconnection subtree prune and regraft fixed-parameter algorithm approximation algorithm

A COARSENING ALGORITHM ON ADAPTIVE GRIDS BY NEWEST VERTEX BISECTION AND ITS APPLICATIONS被引量：5: 《Journal of Computational Mathematics》2010年第6期767-789,共23页Long Chen Chensong Zhang; supported in part by NSF Grant DMS-0811272;in part by NIH Grant P50GM76516 and R01GM75309;supported by NSF Grant DMS-0915153; In this paper, an efficient and easy-to-implement coarsening algorithm is proposed for adaptive grids obtained using the newest vertex bisection method in two dimemsions. The new coarsening algorithm does not require ...; 关键词：Adaptive finite element method COARSENING Newest vertex bisection Multilevel preconditioning.

Optimized third-order force-gradient symplectic algorithms被引量：3: 《Science China(Physics,Mechanics & Astronomy)》2010年第9期1600-1609,共10页LI Rong & WU Xin School of Science,Nanchang University,Nanchang 330031,China; supported by the NationalNatural Science Foundation of China (Grant No.10873007);supported by the Science Foundation of Jiangxi Education Bureau (Grant No.GJJ09072);the Program for Innovative Research Team of Nanchang University; With the natural splitting of a Hamiltonian system into kinetic energy and potential energy,we construct two new optimal thirdorder force-gradient symplectic algorithms in each of which the norm of fourth-order trunca...; 关键词：SYMPLECTIC INTEGRATORS SYMPLECTIC scheme-shooting METHOD celestial mechanics time-independent Schrdinger equation energy eigenvalues numerical stability BISECTION METHOD topological structure

BISECTION