This paper presents the elastic large-displacement analysis of planar steel frames with flexible connections under static loads. A corotational beam-column element is established to derive the element stiffness matrix considering the effects of axial force on bending moment (P-∆ effect), the additional axial strain caused by end rotations and the nonlinear moment – rotation relationship of beam-to-column connections. | Large displacement elastic analysis of planar steel frames with flexible beam to column connections under static loads by corotational beam column element
