脆性材料破坏过程分析的数值试验方法
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摘要
文中运用作者新近开发的材料破坏过程分析MFPA2D系统，以岩石、混凝土等非均匀脆性材料的破坏过程分析为例，说明了数值模拟方法给脆性材料破坏理论发展所带来的契机，并简述了MFPA2D在煤层移动、地下工程稳定性、地震孕育机制，以及复合材料破坏问题研究中的应用前景．
The development in fracture mechanics of brittle materials promoted by applying numerical methods sees a newly developed numerical code,Material Failure Process Analysis, MFPA2D. Examples are given in numerical simulations of material failure, such as that of rock, concrete and other heterogeneous materials. The possible applications in coal strata movement, stability in underground structure, earthquake mechanism, and failure behavior in some composite materials are also demonstrated with appropriate examples of numerical tests.
The development in fracture mechanics of brittle materials promoted by applying numerical methods sees a newly developed numerical code,Material Failure Process Analysis, MFPA2D. Examples are given in numerical simulations of material failure, such as that of rock, concrete and other heterogeneous materials. The possible applications in coal strata movement, stability in underground structure, earthquake mechanism, and failure behavior in some composite materials are also demonstrated with appropriate examples of numerical tests.
引文
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5Tang C A. Numerical simulation of rock failure and associated seismicity. Int J Rock Mech Min Sci,34(2):249～262
6Tang C A, Kaiser P K. Numerical simulation of cumulative damage and seismic energy release during brittle rock failure-Part I: Fundamentals. Int J Rock Mech Min Sci, 35(2): 113～121
7崔维成.复合材料结构破坏过程的计算机模拟.复合材料学报. 1996,13:103～111
8Brady B H G, Brown E T. Rock Mechanics for Underground Mining,Second Edition ,Chapama & Hall, London, UK, 1993. 106-108
9Reyes O, Einstein H H. Fracture mechanics of fractured rock-A fracture coalescence model,7th Int. Congress on Rock Mech. Wittke W.(editor), Vol.l,Auchen/Deutschland,1991.333～340
10Shen B T, Stephansson O; Einstein H H, Ghahreman B.Coalescence of fractures under shear stresses in expedments.J Geophys Res,1995;100(B4):5975～5990
11Horii H, Nemat-Nasser S. Compression-induced microcrack growth in brittle solid: Axial splitting and shear failure.J Geophys Res,1985,90: 3105-3125
12王泳嘉,邢纪波.离散单元法及其在岩土工程中的应用.沈阳:东北大学出版社,1991.194～260
13杨伦,于广明,王旭春等.煤层覆岩采动离层位置的计算.煤炭学报,1997,22(5):477～480
14唐春安,傅宇方,赵文.震源孕育模式的数值模拟研究.地震学报,1997,19(4):337～346
15Tang C A, Chen Zhonghui. A theoritcal model for Kaiser Effect in Rock, Pure and Applied Gophysics,1997,150:203～215
16夏蒙梦等. 统计细观损伤力学和损伤演化诱致突变(I). 力学进展,1995,25(1):1～40
2王永林,葛修润.流形元方法在模拟裂纹扩展过程中的应用.岩石力学与工程学报,1997,16(5):405～410
3Chiaia B, Vervuurt A, Vanmier J G M. Lattice model evaluation of progressive failure in disodered particle composites.Engineering Fracture Mechanics,1997,57(2/3):301～318
4唐春安,徐小荷.岩石声发射数值模拟中的几个关键问题.第三届全国青年岩石力学与工程学术讨论会文集,成都:西南交通大学出版社,1995.1～7
5Tang C A. Numerical simulation of rock failure and associated seismicity. Int J Rock Mech Min Sci,34(2):249～262
6Tang C A, Kaiser P K. Numerical simulation of cumulative damage and seismic energy release during brittle rock failure-Part I: Fundamentals. Int J Rock Mech Min Sci, 35(2): 113～121
7崔维成.复合材料结构破坏过程的计算机模拟.复合材料学报. 1996,13:103～111
8Brady B H G, Brown E T. Rock Mechanics for Underground Mining,Second Edition ,Chapama & Hall, London, UK, 1993. 106-108
9Reyes O, Einstein H H. Fracture mechanics of fractured rock-A fracture coalescence model,7th Int. Congress on Rock Mech. Wittke W.(editor), Vol.l,Auchen/Deutschland,1991.333～340
10Shen B T, Stephansson O; Einstein H H, Ghahreman B.Coalescence of fractures under shear stresses in expedments.J Geophys Res,1995;100(B4):5975～5990
11Horii H, Nemat-Nasser S. Compression-induced microcrack growth in brittle solid: Axial splitting and shear failure.J Geophys Res,1985,90: 3105-3125
12王泳嘉,邢纪波.离散单元法及其在岩土工程中的应用.沈阳:东北大学出版社,1991.194～260
13杨伦,于广明,王旭春等.煤层覆岩采动离层位置的计算.煤炭学报,1997,22(5):477～480
14唐春安,傅宇方,赵文.震源孕育模式的数值模拟研究.地震学报,1997,19(4):337～346
15Tang C A, Chen Zhonghui. A theoritcal model for Kaiser Effect in Rock, Pure and Applied Gophysics,1997,150:203～215
16夏蒙梦等. 统计细观损伤力学和损伤演化诱致突变(I). 力学进展,1995,25(1):1～40
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