@article{paperid:1064095, author = {Rezaiee Pajand, Mohaamad and Yaghoobi, Majid}, title = {Geometrical nonlinear analysis by plane quadrilateral element}, journal = {Scientia Iranica}, year = {2017}, month = {January}, issn = {1026-3098}, keywords = {Corotational method; Geometrical nonlinear; Strain states; Membrane problem; Quadrilateral element.}, }