| DYNAMIC INTERACTION OF PLANE WAVES WITH A UNILATERALLY FRICTIONALLY CONSTRAINED INCLUSION-TIME DOMAIN BOUNDARY ELEMENT ANALYSIS |
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| 引用本文： | FengYangde WangYuesheng ZhangZimao CuiJunzhi. DYNAMIC INTERACTION OF PLANE WAVES WITH A UNILATERALLY FRICTIONALLY CONSTRAINED INCLUSION-TIME DOMAIN BOUNDARY ELEMENT ANALYSIS[J]. Acta Mechanica Solida Sinica, 2003, 16(3): 189-196. DOI: 10.1007/s10338-003-0126-8 |
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| 作者姓名： | FengYangde WangYuesheng ZhangZimao CuiJunzhi |
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| 作者单位： | [1]InstituteofEnqineeringMechanics,NorthernJiaotongUniversity,Beijing100044,China [2]InstituteofComputationalMathematicsandScience-EngineeringComputing,ChineseAcademyofScience,Beijing100080,China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China(Nos.19872001 and 59878004)，the National Natural Science Foundation for Distinguished Young Scholars(No.10025211). |
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| 摘 要： | A 2D time domain boundary element method (BEM) is developed to solve the transient scattering of plane waves by a unilaterally frictionally constrained inclusion. Coulomb friction is assumed along the contact interface. The incident wave is assumed strong enough so that localized slip and separation take place along the interface. The present problem is in effect a nonlinear boundary value problem since the mixed boundary conditions involve unknown intervals (slip, separation and stick regions). In order to determine the unknown intervals, an iterative technique is developed. As an example, we consider the scattering of a circular cylinder embeddedin an infinite solid.
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| 关 键 词： | 弹性波 波散射 动力相互作用 平面波 单一摩擦约束接触面 边界非线性 时间域边界元方法 |
DYNAMIC INTERACTION OF PLANE WAVES WITH A UNILATERALLY FRICTIONALLY CONSTRAINED INCLUSION-TIME DOMAIN BOUNDARY ELEMENT ANALYSIS |
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| Feng Yangde. DYNAMIC INTERACTION OF PLANE WAVES WITH A UNILATERALLY FRICTIONALLY CONSTRAINED INCLUSION-TIME DOMAIN BOUNDARY ELEMENT ANALYSIS[J]. Acta Mechanica Solida Sinica, 2003, 16(3): 189-196. DOI: 10.1007/s10338-003-0126-8 |
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| Authors: | Feng Yangde |
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| Affiliation: | (1) Institute of Engineering Mechanics, Northern Jiaotong University, 100044 Beijing, China;(2) Institute of Computational Mathematics and Science-Engineering Computing, Chinese Academy of Science, 100080 Beijing, China |
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| Abstract: | A 2D time domain boundary element method(BEM)is developed to solve the transient scattering of plane waves by a unilaterally frictionally constrained inclusion.Coulomb friction is assumed along the contact interface.The incident wave is assumed strong enough so that localized slip and separation take place along the interface.The present problem is in effect a nonlinear boundary value problem since the mixed boundary conditions involve unknown intervals (slip,separation and stick regions).In order to determine the unknown intervals,an iterative technique is developed.As an example,we consider the scattering of a circular cylinder embedded in an infinite solid. |
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| Keywords: | wave scattering inclusion unilaterally frictionally constrained interface boundary nonlinearity time-domain boundary element method |
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