Meshing thin shells using four noded elements

To discretize thin shells using four noded elements. Thin cylindrical shells, spherical shells and conical shells can be meshed/discretized using four and three noded elements to use in Finite Element Analysis. On entering necessary inputs like length, breadth, radius, angle, number of elements etc., a Finite Element Mesh is plotted and nodal connectivity's and nodal coordinates are obtained.
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https://sites.google.com/site/kolukulasivasrinivas/