## Application of Boundary Integral Method to Elastic Analysis of V-notched Beams |

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Airy stress function ANALYSIS OF V-NOTCHED BC and B'C beams in pure BENDING Dimensionless load boundary conditions boundary integral methods boundary subdivisions Cartesian coordinate directions choice of nodal collocation method crack tip Dimensionless elastic plane-stress Dimensionless notch depth displacement vector EDGE NOTCH SUBJECTED elastic stress ELASTIC x-DIRECTIONAL STRESSES equa equations 14 Excellent agreement finite element method Fracture Mechanics given by equations Green's second theorem integral equations intensity factor Kj interval length Lewis Research Center load q method of solution method ref NASA TN nodal points nodal spacing normal derivative notch tip number of nodal number of unknowns numerical integration nx n n x n order of stress Poisson's ratio Present Reference PURE BENDING Dimensionless rectangular Cartesian coordinate Reference 8 Present shown in figure simply connected SINGLE EDGE NOTCH SPECIMEN strain tensor stress equations stress intensity factor stress singularity stress tensor SUBJECTED TO PURE tion vicinity x/a Notch angle