lorvandhamed@iut.ac.ir Office Room B 206, Department of Mathematical Sciences Phone +9803133913602 Fax +9803133912602 Positions Assistant Professor in Mathematics Research Interests Applied probability Reliability Shock models More ArticlesJournal Papers Title DOI type On the reliability and the optimal replacement policy of a k-out-of-n system in a discrete shock model # Journal Reliability analysis and optimal replacement for a k-out-of-n system with various components subject to shocks # Journal Reliability modeling of weighted k-out-of-n systems exposed to external shocks 10.1007/s11750-024-00681-z Journal A new extended ?-shock model with the consideration of shock magnitude # Journal Reliability analysis and optimal replacement for a <i>k</i>-out-of-<i>n</i> system under a ?-shock model 10.1177/1748006X221082762 Journal Generalized mixed delta -shock models with random interarrival times and magnitude of shocks 10.1016/j.cam.2021.113832 Journal On the Life Distribution Behavior of the Generalized Mixed $$\delta$$-Shock Models for the Multi-state Systems 10.1007/s40995-020-00884-6 Journal Life distribution properties of a new ? - shock model 10.1080/03610926.2019.1584316 Journal Assessment of a generalized discrete time mixed ? -shock model for the multi-state systems 10.1016/j.cam.2019.112415 Journal A Study on a New Version of the ?-shock Model Conference