Faculty of Engineering China University of Geosciences Wuhan 430074 China;
Faculty of Engineering China University of Geosciences Wuhan 430074 China;
Faculty of Engineering China University of Geosciences Wuhan 430074 China;
Faculty of Engineering China University of Geosciences Wuhan 430074 China;
Faculty of Engineering China University of Geosciences Wuhan 430074 China;
singular integrals; boundary element method; elasticity problems; conformal transformation; Duffy transformation; distance transformation;