فهرس المقالات Intermediate Elastic Support حرية الوصول المقاله صفحة الملخص نص كامل 1 - Increasing the Fundamental Frequency of the Cantilever Rotating Beam by Placing the Intermediate Elastic Support with Minimum Stiffness at the Optimum Point Based on the Courant’s Maximum–Minimum Theorem using Finite-Element Analysis Software Mehdi Asgarikia Farshad Kakavand Hasan Seidi 10.30495/admt.2021.1917477.1232