A prototype compartmental model of blood pressure distribution

AKHMET M., Bekmukhambetova G. A.

NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, cilt.11, sa.3, ss.1249-1257, 2010 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 11 Sayı: 3
  • Basım Tarihi: 2010
  • Doi Numarası: 10.1016/j.nonrwa.2009.02.015
  • Dergi Adı: NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.1249-1257
  • Anahtar Kelimeler: Blood pressure distribution model, Compartments, Periodicity, Almost periodicity, Eventually periodic solutions, Positiveness, Stability, SYSTEMS, DELAY
  • Orta Doğu Teknik Üniversitesi Adresli: Evet

Özet

We consider a system of differential equations, the behavior of whose solutions possesses several properties characteristic of the blood pressure distribution. The system can be used for a compartmental modeling [R. Bellman, Mathematical Methods in Medicine, in: Series in Modern Applied Mathematics, vol 1, World Scientific Publishing Co., Singapore, 1983; J.A. Jacquez, Compartmental Analysis in Biology and Medicine, Elsevier, New York, 19721 of the cardiovascular system. It admits a unique bounded solution such that all coordinates of the solution are separated from zero by positive numbers, and which is periodic, eventually periodic or almost periodic depending on the moments of heart contraction. Appropriate numerical simulations are provided. Some of the results were announced at The Fifth International Conference on Dynamic Systems and Applications held at Morehouse College. Atlanta. in 2007 [M.U. Akhmet, G. Bekmukhambetova. On modeling of blood pressure distribution, in: Proceedings of the Fifth International Conference on Dynamic Systems and Applications held at Morehouse College, Atlanta, USA, May 30-June 2. 2007, Proc. Dyn. Syst Appl, 5 (2008) 17-20]. (C) 2009 Elsevier Ltd. All rights reserved.