A computer method for nonlinear inelastic analysis of 3D semi-rigid steel frameworks

Second-order spread-of-plasticity approach for nonlinear time-history analysis of space semi-rigid steel frames

“…14. Nonlinear inelastic static analysis was performed by Chiorean [16], Ngo-Huu et al [12], and Nguyen and Kim [17]. The nonlinear elastic dynamic behavior was investigated by Nguyen and Kim [36].…”

“…There are two common nonlinear analytical approaches for space steel framed structures: the plastic hinge methods (concentrated plasticity) [5][6][7][8][9][10][11][12] and the plastic zone methods (distributed plasticity) [13][14][15][16][17]. The plastic hinge methods [7][8][9][10][11][12] using stability functions obtained from the closed-form solution of the beam-column element subjected to end forces can accurately capture the second-order effects using only one or two elements per member.…”

“…These formulations are presented using a total Lagrangian corotational approach and are also applicable to general beam-column elements for space structural analysis. Chiorean [16] proposed a beam-column method for nonlinear inelastic analysis of 3D semi-rigid steel frames. The nonlinear inelastic force-strain relationship and stability functions are used in representing the inelastic behavior and second-order effects, respectively.…”

An efficient compound-element for potential progressive collapse analysis of steel frames with semi-rigid connections

“…Such demands on computational resources make the continuum-based FE modeling of large structures inefficient and inapplicable. Discrete 1-D frame models, however, are a good compromise between accuracy and efficiency for predicting the global response of framed structures [2,7,8,[21][22][23][24][25].…”

Quasi-hinge beam element implemented within the hybrid force-based method

“…To do this, the yield surface needs to be calibrated for section geometry and material behaviour and also for bending either in the weak or strong planes. Orbison and McGuier (1982) [17,40,42] and the American Institute of Steel Construction (AISC)…”