Proceedings Vol. 23 (2017)
ENGINEERING MECHANICS 2017
May 15 – 18, 2017, Svratka, Czech Republic
Copyright © 2017 Brno University of Technology, Faculty of Mechanical Engineering, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)
list of papers scientific commitee
pages 186 - 189, full text
The problem of optimal repair and/or optimal reinforcement of bar structures by introduction of new elements is considered in this paper. The corresponding optimization problem is formulated as the maximization of the global stiffness increment induced by repair (reinforcement) under the cost constraint. The potential energy is assumed as the measure of the global structure stiffness, while the cost constraint corresponds to condition imposed on the maximal cost of the repair and/or reinforcement. The method of determination of the structure global stiffness increment induced by finite topology modification is proposed and the optimization algorithm is presented. Numerical examples of optimal repair and/or reinforcement of some structures illustrate the theoretical considerations.
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