Abstract
This paper gives the names and main features of the current nearly 100 large-scale general-purpose programs in use worldwide. The progress and development of current finite element methods (FEM) software technique are analysed, and the notion that the advance in FEM methodology, which is as yet a developing frontier science, will be gradual is presented. Thereby, the traditional structural analysis calculation can be transformed into a procedure of design decision for engineers. On this basis, database management techniques and computer-aided design (CAD), which is adopted widely in modern FEM software, are introduced. It is shown that the fully integrated building block structure, the graphical I/O feature and the auto-generating feature, which are the main characteristics of the modern FEM technique, will replace the traditional program structure and pre-post processing. This paper provides the constructions, features, managements, menus, manipulative techniques, etc., of a CAD system for finite element analysis, which can be used as reference for structural engineers to develop a structural analysis CAD/CAM in this field.
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