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The Kantorovich macro-or-mesoscopic refined solution for the heterogeneous functionally gradient material complex structure
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作者 李永 宋健 张志民 《Science China(Technological Sciences)》 SCIE EI CAS 2003年第1期1-18,共18页
This paper is a piece of research on the complex structure of functionally gradient mate-rials, which is an applicable triangular cantilever plate structure locally fixed and supported by its round revolving axis. Com... This paper is a piece of research on the complex structure of functionally gradient mate-rials, which is an applicable triangular cantilever plate structure locally fixed and supported by its round revolving axis. Combined with the generalized Euler equation and the generalized boundary conditions, Kantorovich method and the principle of the two independent variables generalized calculus of variations are adopted to establish the bending governing equation of plates to work out the solution. In comparison with the previous work on the problem, this paper, taking into ac-count three generalized mechanical factors and FGM macro-or-mesoscopic heterogeneity, pro-poses a new concept of translating the issue of theoretical initial value into the problem of semi-analytical boundary value to obtain the refined solution and then researches the joint effect of grads stress fields. Thereby a refined version of Kantorovich macro-or-mesoscopic solution is de-veloped. 展开更多
关键词 functionally gradient KANTOROVICH macro-or-mesoscopic generalized calculus of variations principle ANGULAR force joint effect.
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