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  2016, Vol. 37 Issue (1): 83-89    DOI:
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Frictionless Contact Problem of Dodecagonal System in Two-dimensional Quasicrystals
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Abstract  Frictionless contact problem of dodecagonal system in two-dimensional quasicrystals is researched by using integral transform method. By introducing displacement functions, the complicated partial differential equations of the plane elastic problems of dodecagonal system in two-dimensional quasicrystals are turned into two independent biharmonic equations. A contact problem with action of a rigid flat die in the dodecagonal system in two-dimensional quasicrystalline material was solved by using Fourier analysis and dual integral equations theory. The results show that if the contact displacement is a constant in the contact zone, the vertical contact stress has -1/2order singularity in the edge of the contact zone, which provide the important mechanics parameter for contact deformation of quasicrystalline material.
Received: 20 April 2015      Published: 24 February 2016
ZTFLH:  O343  
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http://manu39.magtech.com.cn/Jwk_gtlxxb/EN/     OR     http://manu39.magtech.com.cn/Jwk_gtlxxb/EN/Y2016/V37/I1/83
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