Computer Program for Non-Prismatic Folded Plates with Plate and Beam Elements.

摘要

A computer program, FINPLA2,is presented which can be utilized to analyze general highway bridge structures. This program can analyse general nonprismatic cellular structures of varying width and depth and may have an integrated three-dimensional frame. The structure is discretised by dividing it longitudinally into a certain number of structure segments by vertical sections,and by subdividing each such segment into finite elements. The structure alignment is described by a longitudinal reference line which may be a straight line, a circular curve or an arbitrary planar string polygon and cross-sections are defined with respect to this line. Orthotropic plate properties and arbitrary loadings and boundary conditions can be treated. Automatic element and coordinate generation options minimise the required input data. Several numerical examples illustrating the use of the program are also given. (Author)