IMECH-IR  > 力学所知识产出(1956-2008)
AN ASYMPTOTIC ANALYSIS FOR ONE-DIMENSIONAL STRESS WAVE-PROPAGATION IN DAMAGED VISCOELASTIC MEDIA
Lu M; Duan ZP(段祝平); LU, M (reprint author), BEIJING UNIV AERONAUT & ASTRONAUT,INST SOLIDS MECH,DEPT FLIGHT VEHICLE DESIGN & APPL MECH,BEIJING 100083,PEOPLES R CHINA.
Source PublicationJOURNAL DE PHYSIQUE III
1991
Conference Name3RD INTERNATIONAL CONF ON MECHANICAL AND PHYSICAL BEHAVIOUR OF MATERIALS UNDER DYNAMIC LOADING ( DYMAT 91 )
Conference DateOCT 14-18, 1991
Conference PlaceSTRASBOURG, FRANCE
AbstractA regular perturbation technique is suggested to deal with the problem of one dimensional stress wave propagation in viscoelastic media with damage. Based upon the first order asymptotic solution obtained, the characteristics of wave attenuation are studied. In fact, there exist three different time-dependent phenomena featuring the dynamic response of the materials, the first expressing the characteristics of wave propagation, the second indicating the innate effect of visco-elastic matrix and the third coming from the time dependent damage. The comparision of first order asymptotic solution with the numerical results calculated by a finite difference procedure shows that the perturbation expansion technique may offer a useful approach to the problem concerned.
WOS IDWOS:A1991GG30200121
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Indexed ByCPCI-S
Language英语
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Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58904
Collection力学所知识产出(1956-2008)
Corresponding AuthorLU, M (reprint author), BEIJING UNIV AERONAUT & ASTRONAUT,INST SOLIDS MECH,DEPT FLIGHT VEHICLE DESIGN & APPL MECH,BEIJING 100083,PEOPLES R CHINA.
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Lu M,Duan ZP,LU, M . AN ASYMPTOTIC ANALYSIS FOR ONE-DIMENSIONAL STRESS WAVE-PROPAGATION IN DAMAGED VISCOELASTIC MEDIA[C]JOURNAL DE PHYSIQUE III,1991.
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