فهرس المقالات Strain approach · Drilling rotation · Static analysis · Free vibration analysis حرية الوصول المقاله صفحة الملخص نص كامل 1 - Formulation of a new finite element based on assumed strains for membrane structures Lahcene Fortas Lamine Belounar Tarek Merzouki 10.30495/ijase.2019.705775