Tian-You Fan

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Two semi-infinite collinear cracks in a strip of one dimensional hexagonal quasicrystal is considered. With the help of conformal transformation, exact solutions are constructed by means of complex variable method. The stress intensity factors for the phonon field and the phason field are obtained respectively, which are very useful in the field of fracture(More)
The complex stress intensity factor and energy release rate are obtained for two semi-infinite interfacial cracks between two bonded dissimilar elastic strips with equal thickness under inplane deformations. During the procedure, by means of conformal mapping technique, the mixed boundary-value problem is reduced to a standard Riemann–Hilbert problem, which(More)
OBJECTIVE To observe the differences of effect of electroacupuncture and medication on hip osteoarthritis. METHODS Sixty cases were randomly divided into an electroacupuncture group and a medication group, 30 cases in each one. In electroacupuncture group, electroacupuncture was applied at Biguan (ST 31), Juliao (GB 29), Zuwuli (LR 10) and Yinlian (LR(More)
This paper is concerned with the electroelastic potentials and the fracture parameters of a twinedge-cracked piezoelectric bimaterial strip with a screw dislocation. By means of conformal mapping technique and the known dislocation solution, the antiplane displacement and inplane electric potentials are obtained in closed-form. The intensity factors and the(More)
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