آقای دکتر محمدرضا نجفی

Dr. Mohammadreza Najafi

استادیار

فرد مهم علمی - Researcher ID: (504242)

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استادیار، گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه جامع امام حسین(علیه السلام)

سمتهای علمی و اجرایی در دانشگاهها و مراکز علمی کشور

مقالات بین المللی خارج از کشور

  •  Elhami, M.R., Najafi, M.R. & Tashakori Bafghi, M. Vibration analysis and numerical simulation of fluid–structure interaction phenomenon on a turbine blade. J Braz. Soc. Mech. Sci. Eng. 43, 245 (2021). https://doi.org/10.1007/s40430-021-02933-6
  •  Elhami, M. . R. , , Najafi, M. R. , and Panahandeh, A. A. . "Effect of Pitch Variation on a Propeller Frequencies Analytically, Numerically and Experimentally", Iranian Journal of Mechanical Engineering Transactions of ISME, 25, 3, 2023, 28-51. doi: 10.30506/ijmep.2023.526512.1773
  •  Najafi, Mohammad Reza, and Saeed Mahjoub Moghadas. "Effect of Adding a Styrene-Butadiene Rubber Damper to A Sled Sample and Extraction of Its Equivalent Stiffness and Damping." International Journal of Advanced Design & Manufacturing Technology 16.1 (2023).
  •  Najafi, M. R., and M. J. Yarmohammadi. "Assesing whipping vibration on damage floating life of Catamaran using one way fluid-structure interaction method." Journal of Solid and Fluid Mechanics 12.1 (2022): 21-33.
  •  NAJAFI, MOHAMMAD REZA, Moghads Saeed Mahjoub, and ALI RAHIMI. "Dynamic Analysis of a Variable Mass Sled System under Variable Forces." Journal of Aerospace Mechanics (2022): 123-136.
  •  Najafi, Mohammad Reza, and Saeed Mahjoub Moghadas. "Extraction of natural frequencies and vibration modes of a sample of single-rail sled tester system with dampers." Aerospace Knowledge and Technology Journal 10.2 (2022): 25-35.
  •  M. R. Najafi; S. M. Moghaddas. "Investigation of dynamic responses of a sled sample with mass and variable applied forces to perturbation on the rail surface", Journal of Mechanical Engineering, 52, 3, 2022, 189-198.
  •  Najafi, Mohammad Reza, Ahmad Reza Khoogar, and Hadi Darabi. "Modeling and Simulation of 6DOF Robot Manipulators with Tactile Position-Force Control." International Journal of Advanced Design & Manufacturing Technology 15.1 (2022).
  •  Najafi, M. R., et al. "Investigation effect of wetted surface of cylindrical shell on vibrational frequency in different immersion depth numerically and experimentally." Journal of Solid and Fluid Mechanics 11.6 (2022): 97-109.
  •  Elhami, Mohammad Reza, and Mohammad Reza Najafi. "Analytical and numerical study of the effect of pressure difference and variation of flow behavior index on rheological behavior of MR fluid in magnetic dampers." Journal of Vibration and Sound 9.18 (2021): 19-35.
  •  Najafi, Mohammad Reza, and Saeed Mahjoub Moghadas. "Gouging phenomenon induced vibrations in the pilot ejection seat test in the sled system." Journal of Vibration and Sound 10.19 (2021): 65-79.
  •  Najafi, Mohammad Reza, Amin Najafi, and Peyman Ahmadi. "Hydrodynamic comparison of two catamarans and INCAT vessel in terms of vertical acceleration and slamming." Iranian journal of Marine technology 8.4 (2021): 40-51.
  •  Najafi, Mohammad Reza, et al. "Investigation effect of circumferential mode number on natural frequencies of under-water vibrations of cylindrical shells numerically and experimentally." Journal of Vibration and Sound 9.18 (2021): 3-18.
  •  Najafi, Mohammad Reza. "Investigation of hydrodynamic forces on a floating sample of catamaran with emphasis on modal analysis, added mass and added damping." Journal Of Marine Engineering 17.34 (2021): 133-142.
  •  Elhami, Mohammad Reza, Mohammad Reza Najafi, and Hosein Roostazadeh. "investigation of resonance phenomenon occurrences probability in the composite rotor blades of a helicopter." Journal of Vibration and Sound 10.19 (2021): 15-30.
  •  Elhami, Mohammad Reza, and Mohammad Reza Najafi. "Vibrational analysis and investigation of pressure variations on turbine rotor with emphasis on coupling and uncoupling fluid and solid interaction." Journal of Vibration and Sound 9.18 (2021): 54-67.
  •  Najafi, Mohammad Reza, Saied Mahjoub Moghadas, and Mojtaba Moradi. "Effect of using a Dynamic Absorber On Vibrations of an Opposed-Piston Ultralight Aircraft Engine." ADMT Journal 14.1 (2021): 91-99.
  •  Najafi, Mohammad Reza, Saeed Mahjoub Moghadas, and Mojtaba Moradi. "Determination of appropriate torsional damper for reduction of vibrations amplitude of ultralight aircrafts engine." Iranian Journal of Mechanical Engineering Transactions of ISME 23.4 (2022): 205-221.
  •  Najafi, Mohammad Reza, and Abbas Motalebi. "A review of the performance parameters of magnetorheological vibration dampers." Journal of Vibration and Sound 12.24 (2024): 86-105.
  •  "Investigation of the Effects of Geometrical Characteristics of the Spray Rail on Hydrodynamic Components and Floating Resistance in Calm Waters", Apex Publishing, (2024), Vol 20, No 44: 72-84
  •  Najafi, Mohammad Reza, Saied Mahjoub Moghadas, "Investigation of Pressure Distribution on Slippers of a Monorail Sled with Vibration Damper", ADMT Journal 16.4 (2024): 87-97.

مقالات کنفرانسهای داخلی

مقالات ژورنالهای تخصصی داخلی

تالیفات

  • کتاب فناوری‌های نوین همگرا مطالعه موردی فناوری هیدروآکوستیک (دانشگاه جامع امام حسین (ع)) - 1404 - فارسی
  • کتاب تحلیل مودال کاربردی (دانشگاه جامع امام حسین (ع)) - 1403 - فارسی
  • کتاب زیرسطحی های بدون سرنشین (دانشگاه جامع امام حسین (ع)) - 1403 - فارسی
  • کتاب بیست و هفت نفر (سدید) - 1399 - فارسی
  • کتاب رستاخیز علمی (دانشگاه جامع امام حسین (ع)) - 1398 - فارسی
  • کتاب راه و رسم دانشجویی (انتشارات شهید کاظمی) - 1395 - فارسی

سوابق استادی

سوابق شغلی و تخصصی

  • سابقه کار دانشگاهی در معاون دانشکده فنی و مهندسی (1402-1404)
  • سابقه کار دانشگاهی در مدیر تحصیلات تکمیلی دانشگاه (1404-تاکنون)