Dr.Hamed Lorvand 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 Dr.Hamed Lorvand type: Journal Title Conference / Journal Date On a run-based <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si8.svg" display="inline" id="d1e43"> <mml:mi>?</mml:mi> </mml:math> -shock model with two critical levels STATISTICS and PROBABILITY LETTERS 2026-05 A Generalized -Shock Model and its Applications International Journal of Reliability Quality and Safety Engineering 2026-02 ON THE FAILURE RATE FUNCTION OF A SYSTEM UNDER THE -SHOCK MODEL Reliability: Theory and Applications 2025-06 Reliability analysis and optimal replacement for a k-out-of-n system with various components subject to shocks Proceedings of the Institution of Mechanical Engineers Part O-Journal of Risk and Reliability 2024-10 On the reliability and the optimal replacement policy of a k-out-of-n system in a discrete shock model Proceedings of the Institution of Mechanical Engineers Part O-Journal of Risk and Reliability 2024-10 Reliability modeling of weighted k-out-of-n systems exposed to external shocks Top 2024-08 A new extended ?-shock model with the consideration of shock magnitude APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY 2024-07 Reliability analysis and optimal replacement for a <i>k</i>-out-of-<i>n</i> system under a ?-shock model 2022-03 Generalized mixed delta -shock models with random interarrival times and magnitude of shocks 2022-03 Life distribution properties of a new ? - shock model 2020-06