Shear and compression buckling analysis for anisotropic panels with elliptical cutouts
An approximate analysis for buckling of biaxial- and shear-loaded anisotropic panels with centrally located elliptical cutouts is presented. The analysis is composed of two parts: a prebuclling analysis and a buckling analysis. The prebuckling solution is determined using Lekhnitskii's complex variable equations of plane elstostatics combined with a Laurent series approximation and a boundary collocation method. The buckling solution is obtained using the principle of minimum potential energy. A byproduct of the minimum potential energy equation is an integral equation that is solved using Gaussian quadrature