Steady-State Growing Crack-Tip Field Characteristics of Mode Ⅲ Elastic-Viscoplastic/Rigid Interface Cracks

LIANG Wen-yan; WANG Zhen-qing; YANG Zeng-jie

doi:10.3879/j.issn.1000-0887.2010.02.010

Volume 31 Issue 2

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LIANG Wen-yan, WANG Zhen-qing, YANG Zeng-jie. Steady-State Growing Crack-Tip Field Characteristics of Mode Ⅲ Elastic-Viscoplastic/Rigid Interface Cracks[J]. Applied Mathematics and Mechanics, 2010, 31(2): 210-217. doi: 10.3879/j.issn.1000-0887.2010.02.010

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Steady-State Growing Crack-Tip Field Characteristics of Mode Ⅲ Elastic-Viscoplastic/Rigid Interface Cracks

doi: 10.3879/j.issn.1000-0887.2010.02.010

Smart Structures and Advanced Composites Laboratory, College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, P. R. China

Received Date: 1900-01-01
Rev Recd Date: 2009-12-10
Publish Date: 2010-02-15

Abstract

Abstract

The singularity and viscosity in crack-tip were considered,and the elastic-viscoplastic governing equations of double dissimilar materials at interface crack-tip field were established.The displacement potential function and boundary condition of in terface crack-tip were introduced,and the numerical analysis of rigid-elastic viscoplastic in terface for mode was worked out.The stress-strain fields were obtained at the crack-tip and the variations of solutions were discussed according to each parameter.The numerical results show that the viscosity effect is am ain factor of in terface propagating crack-tip field,and the interface crack-tip is a viscop lastic field that is governed by viscosity coefficient,Mach number and singular factor.
- in terface crack,
- viscosity,
- dynamic propagation,
- elastic-viscoplastic materials

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References(11)

References

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