# [1]杜成斌,任青文.用于接触面模拟的三维非线性接触单元[J].东南大学学报(自然科学版),2001,31(4):92-96.[doi:10.3969/j.issn.1001-0505.2001.04.022] 　Du Chengbin,Ren Qingwen.A New Three-Dimensional Nonlinear Interface Element for Modeling Joints[J].Journal of Southeast University (Natural Science Edition),2001,31(4):92-96.[doi:10.3969/j.issn.1001-0505.2001.04.022] 点击复制 用于接触面模拟的三维非线性接触单元() 分享到： var jiathis_config = { data_track_clickback: true };

31

2001年第4期

92-96

2001-07-20

## 文章信息/Info

Title:
A New Three-Dimensional Nonlinear Interface Element for Modeling Joints

Author(s):
College of Civil Engineering, Hohai University, Nanjing 210098, China)

Keywords:

TU311
DOI:
10.3969/j.issn.1001-0505.2001.04.022

Abstract:
A new three-dimension nonlinear interface element for modeling joints is presented. Nonlinear characteristics of interface both in the normal and shear direction, which are testified by experiments are considered in the constitutive model. Hyperbola model containing normal deformation in the normal direction and strain hardening in the shear direction is applied in the model. Several working states such as bond, slip, and crack on interface are modeled. Compared with other contact elements, the advantages of the presented model are that it avoids the occurrence of normal stress fluctuation and over-intrusion on the interface, and avoids the arbitrariness of parameters of normal and shear stiffness of the Goodman element. The model is implemented as an element into the finite element code, and three typical examples are presented to illustrate the good accuracy of the model.

## 参考文献/References:

[1] Goodman R E,Taylor R L,Brekke T L.A model for the mechanics of jointd rock.J of the Soil Mechanics and Foundations,1968,94(3):660～677
[2] Desai C S,Zaman M M,Lighther J G,et al.Thin-layer element for interfaces and joints.Int J for Numerical Methods in Geomechanics,1984,8(1):19～43
[3] 卓家寿,姜弘道.带有夹层岩基的三维弹塑性分析.华东水利学报,1979(2):1～22
[4] Katona M G.A simple contact-friction interface element with applications to buried culverts.Int J Num Anal Meth Geomech,1983(7):371～384
[5] Bandis S C.Mechanical properties of rock joints.Rotterdam:Barton & Stephamsson,1993.119～122
[6] Burns J W,Richards R M.Attenuation of stresses for buried cylinders.In:Desai C S,ed.Proc Symp on Soil-Structure Interaction.Arison:Univ of Arizona,1964.80～85
[7] 邵炜,金峰,王光伦.用于接触面模拟的非线性薄层单元.清华大学学报,1999,39(2):34～38

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