Direct numerical simulation is used to investigate the integral behaviour of buoyant plumes subjected a uniform crossflow that are infinitely lazy at source. Neither plume trajectory defined by centre mass $z_c$ nor central streamline $z_{U}$ aligned with average streamlines inside plume. Both and shown correlate field lines total buoyancy flux, which implies model for vertical turbulent flux r...

This study investigates geometrical non-linear analysis of composite circular cylindrical shells under external pressure over part of their surfaces and also shells subjected to combined axial compression and triangular external pressure. Donnell non-linear shell theory along with first order shear deformation theory (FOSD) are adopted in the analysis. In the case of combined axial compression ...

In this work a glass micromodel which its grains and pores are non-uniform in size, shape and distribution is considered as porous medium. A two-dimensional random network model of micromodel with non-uniform pores has been constructed. The non-uniformity of porous model is achieved by assigning parametric distribution functions to pores throat and pores length, which was measured using ima...