EXPERIMENTAL AND NUMERICAL STUDY OF THE EFFECT OF STIFFENING-RINGS ON REDUCING THE THICKNESS OF TORISPHERICAL HEADS WITH PRESSURE ON THEIR CONCAVE SIDE*

GOLABI, S. university of kashan - Dept of Mechanical Engineering, كاشان, ايران , GHORBANPOUR ARANI, A. university of kashan - Dept of Mechanical Engineering, كاشان, ايران , TAHVILIAN, M. university of kashan - Dept of Mechanical Engineering, كاشان, ايران

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