Analyzing in 3D

by Istvan Kadar, Engineering Specialist; Bectel Civil, Inc., 50 Beale St., San Francisco, CA 94119,

Serial Information: Civil Engineering—ASCE, 1989, Vol. 59, Issue 3, Pg. 52-54

Document Type: Feature article


Suggestions for modeling and evaluating three-dimensional (3D) structures are presented. These suggestions are based on the authors' sixteen years of day to day involvement with 3D structural analysis covering several hundred models and variety of structures. Suggestions are given for analyses using simplified 3D models for preliminary checking or other analyses of short duration. Suggestions will cover modeling and the evaluation of short analyses. Detailed practical suggestions are listed and elaborated for analysis in advanced design phases, especially for the use of semi- or non-structural elements. Methods for checking models' accuracy before implementing load runs are offered and preparation and evaluation of load runs discussed.

Subject Headings: Three-dimensional models | Three-dimensional analysis | Structural models | Model accuracy | Structural analysis | Load factors | Nonstructural elements

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