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Mathematical modeling of materially nonlinear problems in structural analyses, Part II: Application in contemporary software
Univeristy of Niš, Faculty of Civil Engineering and Architecture
Project:
Projekat Ministarstva nauke Republike Srbije, br. TR 16021

Keywords: material models; nonlinearity; Bilinear kinematic; Drucker Prager; experiment
Abstract
The paper presents application of nonlinear material models in the software package Ansys. The development of the model theory is presented in the paper of the mathematical modeling of material nonlinear problems in structural analysis (part I - theoretical foundations), and here is described incremental-iterative procedure for solving problems of nonlinear material used by this package and an example of modeling of spread footing by using Bilinear-kinematics and Drucker-Prager mode was given. A comparative analysis of the results obtained by these modeling and experimental research of the author was made. Occurrence of the load level that corresponds to plastic deformation was noted, development of deformations with increasing load, as well as the distribution of dilatation in the footing was observed. Comparison of calculated and measured values of reinforcement dilatation shows their very good agreement.
References
Ansys Inc. Theory reference: Ansys manual. http:www.ansys.com
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article language: English
document type: unclassified
DOI: 10.2298/FUACE1002201B
published in SCIndeks: 13/07/2010