IATAN, R.I., TOMESCU, G., CORLECIUC (MITUCA), M., ROMAN (URSE), G., SPOREA, N., PRODEA, I.- M. and PANAIT, I.C. 2023. VARIANTS FOR EVALUATING THE RIGIDITY OF FLAT RING FLANGES. Journal of Engineering Studies and Research. 29, 1 (May 2023), 24-33.