Nonlinear Model Solution Process: Energy Approach

by Siegfried M. Holzer, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Virginia Polytechnic Inst. and State Univ., Blacksburg, Va.,
Arnold E. Somers, Jr., (M.ASCE), Asst. Prof. of Civ. Engrg.; Virginia Polytechnic Inst. and State Univ., Blacksburg, Va.,


Serial Information: Journal of the Engineering Mechanics Division, 1977, Vol. 103, Issue 4, Pg. 629-647


Document Type: Journal Paper

Abstract: The paper provides a comprehensive treatment of the mathematical model and solution process of the computer code SINGER. The function of SINGER is to predict the geometrically and physically nonlinear response, including element failures and structural collapse, of skeletal reinforced concrete and steel structures to static and dynamic loads. The model of SINGER represents an assemblage of one-dimensional finite elements, which is expressed in the form of an energy function. The solution process is based on function minimization. A selection of test problems is presented to provide an indication of the capability of SINGER.

Subject Headings: Steel structures | Computer models | Mathematical models | Material failures | Structural failures | Concrete structures | Reinforced concrete | Mathematics

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