فهرس المقالات affine fractal حرية الوصول المقاله صفحة الملخص نص كامل 1 - Surface coupling effects on contact mechanics: contact area and interfacial separation between an elastic solid and a hard substrate with randomly rough, self-affine fractal surfaces M. Feshanjerdi A. A. Masoudi M. Khorrami 10.1007/s40094-016-0236-6