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The stability of critical/stagnation points and streamline topologies along with their local and global bifurcations for peristaltic flow of an incompressible power-law model have been investigated. The flow is analyzed in an axisymmetric tube subject to the constraints of long wavelength and low Reynolds number, and an exact analytic solution is found in a moving frame of reference. Nonlinear autonomous...
In this paper, buckling and post-buckling behavior of plates and shells are investigated. An efficient triangular shell element having six nodes is employed in this study. To consider large deflection and rotation, total Lagrangian formulation is utilized. The authors employ mixed interpolation for strain fields to deviate shear and membrane locking phenomena. The effects of different types of boundary...
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