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  1. No Access

    Article

    Numerical comparison of two boundary element methods for plane harmonic functions

    A direct boundary element method (BEM) has been studied in the paper based on a set of sufficient and necessary boundary integral equations (BIE) for the plane harmonic functions. The new sufficient and necess...

    He Wenjun, Ding Haojiang, Hu Haichang in Acta Mechanica Sinica (1993)

  2. No Access

    Article

    Transition elements matching the near crack-tip strain field

    New transition elements used with the collapsed triangular singular elements are constructed by using the improved isoparametric transformations. Without 1/r singular terms, the new transition elements' strain fi...

    Ding Haojiang, He Wenjun in International Journal of Fracture (1992)