List of Articles Free vibration Open Access Article Abstract Page Full-Text 1 - Free vibration analysisof soft-core composite-faced sandwich plates using three-dimensional finite element method Mohammad Mahdi Kheirikhah Hasan Aghabarati Pooneh Khosravi Open Access Article Abstract Page Full-Text 2 - Implementing Basic Displacement Function to Analyze Free Vibration Rotation of Non-Prismatic Euler-Bernoulli Beams Pouria Hajikarimi Reza Attarnejad