Citation: H. Hein et J. Lellep, Optimal plastic design of shallow curved beams with step-wise varying cross sections, MECH STRUCT, 28(4), 2000, pp. 355-365
Citation: H. Hein et J. Lellep, Optimization of shallow shells with different yield stresses in tension and compression, STRUCT OPT, 18(2-3), 1999, pp. 156-161