Transient analysis of an inventory model with instantaneous replenishment and Catastrophes

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Abstract

We consider an $(\mathrm{s}, \mathrm{S})$ inventory model with instantaneous replenishment and catastrophes. Inventory is replenished according to $(\mathrm{s}, \mathrm{S})$ policy, replenishment being instantaneous. Further no shortage is permitted. We have derived explicit expressions for the transient probabilities using Laplace Transform method and have computed such probabilities numerically. The various performance like number of customers in the system, variance of number of customers in the system, expected inventory level, effective flush out rate, etc. are measured. Steady state probabilities and stability conditions are also derived. Numerical illustrations are used to discuss the system performance measures.

Keywords:

Inventory model, Transient and steady state analysis, Laplace Transform method, Catastrophes

Mathematics Subject Classification:

Mathematics
  • Smija Skaria Research Scholar, Department of Mathematics, Government Engineering College, Thrissur, APJ Abdul Kalam Technological University, Kerala, India.
  • Sajeev S. Nair Department of Mathematics, Government Engineering College, Thrissur, APJ Abdul Kalam Technological University, Kerala, India.
  • M. P. Rajan Department of Mathematics, Government Engineering College, Thrissur, APJ Abdul Kalam Technological University, Kerala, India.
  • Pages: 896-901
  • Date Published: 01-01-2021
  • Vol. 9 No. 01 (2021): Malaya Journal of Matematik (MJM)

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Published

01-01-2021

How to Cite

Smija Skaria, Sajeev S. Nair, and M. P. Rajan. “Transient Analysis of an Inventory Model With Instantaneous Replenishment and Catastrophes”. Malaya Journal of Matematik, vol. 9, no. 01, Jan. 2021, pp. 896-01, https://www.malayajournal.org/index.php/mjm/article/view/1186.