فهرس المقالات Biot model حرية الوصول المقاله صفحة الملخص نص كامل 1 - Natural Frequency and Dynamic Analyses of Functionally Graded Saturated Porous Beam Resting on Viscoelastic Foundation Based on Higher Order Beam Theory M Babaei K Asemi P Safarpour 10.22034/jsm.2019.666691