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《Journal of Wuhan University of Hydraulic and Electric Engineering》 1986-04
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The Displacement Discontinuity Method and Its Application to Structural Analysis

Wang xiaochuan  
Various techniques of boundary element method being interpreted by the method of weighted residuals is presented. The formulas of displacement discontinuity method (DDM) of constant and linear element are derived, a kind of new joint element is proposed, and the coefficient metrix is symmetrized by the least square method. Finally, some examples of applications of DDM to structural analysis are given.
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