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《固体力学学报(英文版)》 2014-01
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ANALYSIS OF PARAMETERS IN GRANULAR SOLID HYDRODYNAMICS FOR TRIAXIAL COMPRESSION TESTS

Shixiong Song;Qicheng Sun;Feng Jin;Chuhan Zhang;State Key Laboratory of Hydroscience and Engineering, Tsinghua University;  
Granular materials are omnipresent in industries and in nature. For small strains,elastic-plastic and hypoplastic constitutive relations are widely used in engineering practice, but they are not a significant reflection of the underlying physics. Under a unified thermodynamics framework explaining the physics of materials, granular solid hydrodynamics(GSH) was an extension towards describing granular materials, not only solid-like, but also fluid-like behaviors.In this paper, the fundamentals of GSH are briefly treated and then simplified to analyze quasistatic deformations in triaxial compressions. The calculated stress-strain relations and volumetric strain are compared with experimental results. The influences of the major parameters in GSH,especially their cross coupling influences, are analyzed and their physical meanings are further clarified. After parameters were calibrated, the calculated stress values in the characteristic stress state are found to be within 22% of tested values. Meanwhile, the energy dissipation during triaxial compression is analyzed. The above results support and partially quantify GSH.
【Fund】: support of the National Key Basic Research Program of China(No.2010CB731504);; the National Natural Science Foundation of China(No.51239006);; the research funding from the State Key Laboratoryof Hydroscience and Engineering Tsinghua University(No.2013-KY-2)
【CateGory Index】: O352
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【Citations】
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1 Qicheng Sun,1,a) Shixiong Song,1 Feng Jin,1 and Yimin Jiang 2 1) State Key Laboratory of Hydroscience & Engineering,Tsinghua University,Beijing 100084,China 2) Physics Department,Central South University,Changsha 410083,China;Entropy productions in granular materials[J];力学快报(英文版);2012-02
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 JIANG YiMin1,2,LI YiMin1,PENG Zheng2 & WANG GuangYao1 1 State Key Laboratory for Powder Metallurgy,Central South University,Changsha 410083,China;2 School of Physics,Central South University,Changsha 410083,China;A hydrodynamic theory for feedstock in powder injection molding[J];Scientia Sinica(Physica,Mechanica & Astronomica);2011-10
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4 SUN Qicheng~(1,+)CHENG Xiaohui~2 JI Shunying~3 JIN Feng~1 1 State Key Laboratory for Hydroscience and Engineering,Tsinghua University,Beijing,100084,China 2 Civil Engineering Department,Tsinghua University,Beijing,100084,China 3 State Key Laboratory of Structural Analysis for Industrial Equipment,Dalian University of Technology,Dalian 116023,China;ADVANCES IN THE MICRO-MACRO MECHANICS OF GRANULAR SOIL MATERIALS[J];Advances in Mechanics;2011-03
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8 JIANG Yi-min1,2,LIU Mario3 (1. School of Physics Science and Technology,Central South University,Changsha 410083,China; 2. State Key Laboratory for Powder Metallurgy,Central South University,Changsha 410083,China; 3. Theoretische Physik,Universitt Tbingen,Tbingen 72076,Germany);Hydrodynamic method versus constitutive modeling in geotechnical materials[J];Rock and Soil Mechanics;2010-06
9 Zhang Qi~(1)2)) Li Yin-Chang~(2)) Liu Rui~(2)) Jiang Yi-Min~(3)) Hou Mei-Ying~(2)) 1)(Key Laboratory Artificial Micro-and Nano-structure of Ministry of Education,School of Physics and Technology,Wuhan University, Wuhan 430072,China) 2)(Beijing National Laboratory for Condensed Matter Physics,Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China) 3)(School of Physical Science and Technology,Central South University,Changsha 410083,China);Acoustic probing of the granular solid system under direct shear[J];Acta Physica Sinica;2012-23
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China Proceedings of conference Full-text Database 1 Hits
1 Sun Qi-Cheng1 Jin Feng1Zhang Guo-Gua21 State Key Laboratory for Hydroscience and Engineering,Tsinghua University,Beijing 100083,China2 Department of Physics,Beijing University of Science and Technology,Beijing 100871,China;Mesoscopic properties of dense granular materials:an overview[A];[C];2012
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