The antisymmetry bending theory of generalized equivalent of functionally gradient materials structure  

作　　者：李永 宋健 张志民 

机构地区：State Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China[1] Center of Mechanics, Beijing University of Aeronautics and Astronautics,Beijing 100083, China[2]

出　　处：《Science China(Technological Sciences)》2002年第4期383-394,共12页中国科学（技术科学英文版）

摘　　要：FGM structure is defined as a kind of generalized equivalent structure according to the structure and properties of materials. This paper uses the mature plate theory and the composite material laminate theory in the analysis of FGM structure and thus puts forward a kind of new concept and a new idea. A brand-new theory, the generalized equivalent antisymmetry bending theory, which can be used to analyze the structure and properties of FGM, is formed. In addition, the correctness, reliability and foresightedness of the theory are testified through concrete analysis and calculation of the applicable FGM structure by utilizing the generalized double Fourier series solution on one hand; on the other hand, it is compared with the existing theories and experiments.FGM structure is defined as a kind of generalized equivalent structure according to the structure and properties of materials. This paper uses the mature plate theory and the composite material laminate theory in the analysis of FGM structure and thus puts forward a kind of new concept and a new idea. A brand-new theory, the generalized equivalent antisymmetry bending theory, which can be used to analyze the structure and properties of FGM, is formed. In addition, the correctness, reliability and foresightedness of the theory are testified through concrete analysis and calculation of the applicable FGM structure by utilizing the generalized double Fourier series solution on one hand; on the other hand, it is compared with the existing theories and experiments.

关 键 词：functional gradient  generalized EQUIVALENT antisymmetry  macro- or meso-scopic. 

分 类 号：TB12[理学—工程力学]