List of Articles Mojtaba Heydari Article 1 - Dynamic Design Principles of a Thrust Stand and Methods of Improving Frequency Response Mojtaba Heydari Amir Alaedin Motallebi Sadegh Rahmati Ebrahim Harirbafan International Journal of Advanced Design and Manufacturing Technology , Issue 4 , Year , Winter 2008 Article 2 - Estimation of Thrust Stand Structure Fatigue Life Under Solid Motors Random Vibrations Effects Mojtaba Heydari Saeed MahjoubMoghadas Ebrahim Harirbafan AmirAlaedin Motallebi International Journal of Advanced Design and Manufacturing Technology , Issue 4 , Year , Autumn 2008 Article 3 - Vibration Analysis and Design of Dynamic Absorber in a Vertical Drilling Machine MohamadReza Elhami Mojtaba Heydari International Journal of Advanced Design and Manufacturing Technology , Issue 1 , Year , Spring 2009