Sensitivity assessment and lateral-torsional buckling design of I-beams using solid finite elements

- Geometrically and materially non-linear finite element model using solid finite elements
- Introduction of initial random imperfections of a steel beam subjected to lateral-torsional buckling
- Polynomial approximation of the load-carrying capacity (LCC) of a steel beam with imperfections subjected to bending
- Simulation computational analysis of the LCC of steel beams with initial random imperfections
- Statistical and sensitivity analysis of the random LCC with emphasis on design percentiles and reliability