Stefan Ivić defended his doctoral thesis

On December 19 Stefan Ivić defended his doctoral thesis entitled Modelling and optimization of submarine pipe laying and gained PhD degree in Technical Sciences.


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Abstract:
The doctoral thesis deals with the topic of modeling and optimization of the submarine pipe laying. Considered laying model is based on a nonlinear elastic beam model with elastic contact interactions with rigid structures of roller supports and the seabed. The basic model of the submarine pipe laying and its extensions are implemented and solved in the Abaqus software for various pipe laying cases. The optimization problem is formulated to determine the parameters of pipe laying, for which a specialized hybrid optimization method is developed based on a particle swarm optimization method. Developed optimization method was tested and analyzed in several different cases of submarine pipe laying.

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