Volume 11, Issue 4

 

ارسال های اخیر

  • Availability Optimization of a system With k-out-of-n Sub-systems Considering Different Types of Components Failure Using BBQ Algorithm 

    Sharifi, M.؛ Shahriari, MR.؛ Khoshniat, Sh. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    Redundancy allocation problem is one of the most important problem in Reliability area. In this problem the reliability and availability of the systems maximized via allocating redundant components to sub-systems. a systems ...

  • Experimental study of The Performance and e xhaust gas emissions Response of A Spark Ignition Engine to Adding Natural Gas to Gasoline in CR=11 

    Yekani, S. K.؛ Abdi Aghdam, E.؛ Sadegh Moghanlo, F. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    Considering the disadvantages of gasoline and natural gas as mono-fuel in SI engines has made the researchers to improve the performance and reduce the pollutant as the advantages of the application of dual fuel engines. ...

  • Adaptive Steffensen-like Methods with Memory for Solving Nonlinear Equations with the Highest Possible Efficiency Indices 

    Lalehchini, M‎. ‎J‎.؛ Lotfi, T.؛ Mahdiani, K. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    The primary goal of this work is to introduce two adaptive Steffensen-like methods with memory of the highest efficiency indices. In the existing methods, to improve the convergence order applied to memory concept, the ...

  • Single ‎A‎ssignment Capacitated Hierarchical Hub Set Covering Problem for Service Delivery Systems Over Multilevel Networks 

    Korani, E.؛ Eydi, A. R.؛ Nakhai Kamalabadi, I. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    The present study introduced a novel hierarchical hub set covering problem with capacity constraints. This study showed the significance of fixed charge costs for locating facilities, assigning hub links and designing a ...

  • A New Two-stage Iterative Method for Linear Systems and Its Application in Solving Poisson's Equation 

    Shariffar, F.؛ Refahi Sheikhani, ‎A. H. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    In the current study we investigate the two-stage iterative method for solving linear systems. Our new results shows which splitting generates convergence fast in iterative methods. Finally, we solve the Poisson-Block ...

  • Constrained Non-Renewable Resource Allocation in Metagraphs with Discrete Random ‎Times 

    Akhoundi Shiviyari, N.؛ Hashemin, S. S. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    In this paper, it is supposed that a project can be shown as a metagraph. The duration of activities are discrete random variables with known probability function, also one kind of consumable and constrained resource is ...

  • An ‎E‎ffective Numerical Technique for Solving Second Order Linear Two-Point Boundary Value Problems with Deviating Argument 

    Khaleghi, M.؛ Babolian, E.؛ Abbasbandy, S. (Science and Research Branch, Islamic Azad University, Tehran, Iran Website: ijim.srbiau.ac.ir Address: Science and Research Branch, Shohada Hesarak Blvd, Daneshgah Square, Sattari Highway, Tehran, Iran. Email: ijim@srbiau.ac.ir Tel:+98(44)32352053, +98(914)3897371. Fax:+98(44)32722660دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران, 2019-12-01)
    Based on reproducing kernel theory, an effective numerical technique is proposed for solving second order linear two-point boundary value problems with deviating argument. In this method, reproducing kernels with Chebyshev ...