On the global minimum ot the objective function in a balanced circular packing problem

Authors

  • P. I. Stetsyuk
  • Т. Е. Romanova
  • G. Schiethauer

DOI:

https://doi.org/10.15407/dopovidi2014.06.053

Keywords:

balanced circular packing, global minimum, objective function

Abstract

The paper considers the balanced packing problem of a given family of circles into a larger circle of the minimal radius as a multiextremal nonlinear programming problem. We reduce the problem to an unconstrained minimization problem of a non-smooth function by means of nonsmooth penalty functions. We propose an efficient algorithm to search for local extrema, as well as an algorithm of improvement of a lower estimate of the global minimum of the objective function. The algorithms use non-differentiable optimization methods based on Shor's r-algorithm. Computational test results are given.

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References

Kovalenko A. A., Pankratov A. V., Romanova T. E., Stetsyuk P. I. Zhurn. obchysl. ta prykl. matematyky, 2013, No. 1(111): 126–134 (in Russian).

Stoyan Yu., Romanova T. Mathematical models of placement optimisation: two- and three-dimensional problems and applications. In: Fasano G., Pinter J. D. (Eds.). Modeling and Optimization in Space Engineering. New York: Springer, 2012: 363–388. https://doi.org/10.1007/978-1-4614-4469-5_15

Nenakhova E. I., Romanova T. E., Stetsyuk P. I. Equilibrium packing of circles in a circle of minimum radius. In: The theory of optimal solutions. Kyiv: Inst. of Cybernetics. Glushkov NAS of Ukraine, 2013: 143–153 (in Russian).

Shor N. Z., Stetsyuk P. I. Kibernetika i sistem. analiz., 1997, 4: 28–49 (in Russian).

Octave Retrieved from http://www.octave.org.

Shor N. Z. Nondifferentiable optimization and polynomial problems. Dordrecht: Kluwer, 1998. https://doi.org/10.1007/978-1-4757-6015-6

Published

26.02.2025

How to Cite

Stetsyuk, P. I., Romanova Т. Е., & Schiethauer, G. (2025). On the global minimum ot the objective function in a balanced circular packing problem . Reports of the National Academy of Sciences of Ukraine, (6), 53–57. https://doi.org/10.15407/dopovidi2014.06.053

Issue

Section

Information Science and Cybernetics