DEFORMATION DECOMPOSITION FOR A PLATE ELEMENT
The stiffness matrix of a square plate element from the analytical integration is decomposed into its eigenvalues and corresponding eigenvectors, with the latter representing the nonzero-strain deformation modes, and the eigenvalues representing the stiffness corresponding to the standardized deformation modes. The whole deformation of an element in a plate under external loading can be decomposed as the weighted summation of the nonzero-strain deformation modes together with certain rigid modes. Based on the deformation decomposition of the element, the inherent nature of deformation on the plate is investigated. A simply supported square plate under a central vertical static load is presented for illustration.
J.M. Wang S.S. Law
Faculty of Architectural Civil Engineering and Environment, Ningbo University Ningbo 315211, P.R. Ch Civil and Structural Engineering Department, Hong Kong Polytechnic University, Hunghom, Kowloon, Hon
国际会议
长沙
英文
544-550
2007-11-19（万方平台首次上网日期，不代表论文的发表时间）