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| 1 | 基于均匀化理论的页岩基岩运移机制尺度升级研究显示文摘基岩孔隙是页岩气藏的主要储集空间.页岩有机质孔隙和非有机孔隙具有不同的赋存方式和传输机制:有机质孔隙存在吸附气、游离气两种赋存方式,无机质内仅存在游离气,气体在有机质孔隙存在吸附解吸和吸附气的表面扩散.传统的数值模拟方法未考虑页岩基岩内不同孔隙介质储集方式和运移机制的差异性,未考虑有机质分布结构特征的影响.本文基于均匀化理论建立了考虑页岩基岩有机质分布特征和相应运移机制的尺度升级数学模型,在小尺度模型中考虑有机质和无机质赋存方式和运移机制的差异性.数值模拟结果表明,传统上具有相同宏观运移参数的基岩,若其有机质分布不同,采用尺度升级后的宏观模型计算的压力变化和产量均不同,必须进行尺度升级才能实现复杂结构分布的页岩基岩模拟的准确性. | 孙海 姚军 YALCHIN Efendiev | 2017 | 中国科学:物理学、力学、天文学2017，47，11： | 6 |
| 2 | Multiscale Modeling and Simulations of Flows in Naturally Fractured Karst Reservoirs显示文摘Modeling and numerical simulations of fractured,vuggy,porus media is a challenging problem which occurs frequently in reservoir engineering.The problem is especially relevant in flow simulations of karst reservoirs where vugs and caves are embedded in a porous rock and are connected via fracture networks at multiple scales.In this paper we propose a unified approach to this problem by using the StokesBrinkman equations at the fine scale.These equations are capable of representing porous media such as rock as well as free flow regions(fractures,vugs,caves)in a single system of equations.We then consider upscaling these equations to a coarser scale.The cell problems,needed to compute coarse-scale permeability of Representative Element of Volume(REV)are discussed.A mixed finite element method is then used to solve the Stokes-Brinkman equation at the fine scale for a number of flow problems,representative for different types of vuggy reservoirs.Upscaling is also performed by numerical solutions of Stokes-Brinkman cell problems in selected REVs.Both isolated vugs in porous matrix as well as vugs connected by fracture networks are analyzed by comparing fine-scale and coarse-scale flow fields.Several different types of fracture networks,representative of short-and long-range fractures are studied numerically.It is also shown that the Stokes-Brinkman equations can naturally be used to model additional physical effects pertaining to vugular media such as partial fracture with fill-in by some material and/or fluids with suspended solid particles. | Peter Popov Yalchin Efendiev Guan Qin | 2009 | Communications in Computational Physics2009，6，6： | 4 |
| 3 | The 14-3-3 pro-tein translates the Na+/K+-ATPase alpha1-subunit phos-phorylation signal into binding and activation of phos-phoinositide 3-kinase during endocytosis 显示文摘 | Efendiev R Chen Z Krmar R T | 2005 | Journal of Biological Chemistry2005，280，16： | 1 |
| 4 | The attractor for a nonlinear reaction-diffusion system in an unbounded domain显示文摘 | EFENDIEV M A ZELIK S V | 2001 | Communications on Pure and Applied Mathematics2001，54，6： | 1 |
| 5 | Study of mortalityamong workers exposed heating microclimate (epidemiological study) 显示文摘 | Lebedeva N V Alimova S T Efendiev F B | 1991 | Gig TrProf Zabol1991，，10： | 1 |
| 6 | Multiscale finite element for problems with highly oscillatory coefficients显示文摘 | Efendiev Y R Wu X H | | 0，，： | 1 |
| 7 | Modeling of subgrid effects in coarse scale simulations of transport in heterogeneous porous media显示文摘 | Efendiev Y Durlofsky L J Lee S H | 2000 | Water Rtsour Res2000，36，8： | 1 |
| 8 | Muhiscale finite element for problems with highly oscillatory coefficients显示文摘 | Y Efendiev Wu X H | 2002 | Numer Math2002，90，3： | 1 |
| 9 | Homogenization of aligned “fuzzy fiber” composites显示文摘 | George Chatzigeorgiou Yalchin Efendiev Dimitris C.Lagoudas | | 0，，19： | 1 |
| 10 | pullback exponential attractors for non-autonomous equations, Part I:Semilinear parabolic problems显示文摘 | Czaja R Efendiev M | 2011 | J Math Anal Appl2011，，381： | 1 |
| 11 | Exponential Attractors and Finite-dimensional Reduction for Non-autonomous Dy-namical Systems显示文摘 | Efendiev M Miranville A Zelik S | 2005 | Proc R Soc Edinb A2005，13，： | 1 |
| 12 | Hierarchical hybrid Monte- Carlo method for simulation of two-component aerosol nucleation, coagulation and phase segregation显示文摘 | EFENDIEV Y ZACHARIAH M R | 2003 | Journal of Aerosol Science2003，34，2： | 1 |
| 13 | Accurate mul- tiscale finite element methods for two-phase flow simulations显示文摘 | Efendiev Y Ginting V Hou T Y | 2006 | Journal of Computational Physics2006，220，1： | 1 |
| 14 | Hybrid Monte Carlo method for simulation of two-component aerosol coagulation and phase segregation 显示文摘 | EFENDIEV Y ZACHARIAH M R | 2002 | Journal of Colloid and Interface Science2002，249，： | 1 |
| 15 | The attractor for a nonlinear reaction-diffusionsystem in an unbounded domain显示文摘 | Efendiev M A Zelik S V | 2001 | Communications on Pure and Applied Mathematics2001，54，6： | 1 |
| 16 | Results of coronary artery bypass grafting alone and combined with surgical ventricular Reconstruction for ischemic heart failure 显示文摘 | Marchenko A Chernyavsky A Efendiev VA | 2011 | Interact Cardiovasc Thorac Surg2011，13，1： | 1 |
| 17 | Multiscale finite element methods for problems with highly oscillatory coefficients 显示文摘 | Efendiev Y WU X H | 2002 | Numer Math2002，90，： | 1 |
| 18 | PKC-β and PKC-ζ mediate opposing effects on proximal tubule Na + ,K + -ATPase activity显示文摘 | Riad Efendiev Alejandro M Bertorello Carlos H Pedemonte | 1999 | FEBS Letters1999，，1： | 1 |
| 19 | Study of mortality among works exposed heating microelimate (epidemiological study) 显示文摘 | Lebedeva NV Alimmova ST Efendiev FB | 1991 | Gig Trprof Zabol1991，10，： | 1 |
| 20 | Exponential attractors for non-autonomous dissipative system 显示文摘 | Efendiev M Yamamoto Y Yagi A | 2011 | J Math Soc Jpn2011，63，2： | 1 |
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