The Iranian Journal of Mechanical Engineering is published regularly, by the Iranian Society of Mechanical Engineers and has a scientific degree according to the license of the Iran Ministry of Science, Research and Technology. The articles in this journal are published in four main branches of mechanical engineering: Solid Mechanics, Dynamics and Control and Vibration Systems, Fluid Mechanics, and Heat Transfer. Topics such as mechatronics, biomechanics, environment, materials, aerospace and automotive engineering, and transportation systems, which are either subsets of mechanical engineering or interdisciplinary topics related to mechanical engineering, are also accepted topics in the journal of Iranian Society of Mechanical Engineering and might be submitted to the journal. The publication of articles in the journals of the Iranian Society of Mechanical Engineers is free and the collection of articles published is free and online through the website of the Association of Mechanical Engineers.