Plastic stress-strain matrix and its application for the solution of elastic-plastic problems by the finite element method

Zienkiewicz, 1967

Marcal, 1967, Int. J. Mech. Sci., 9, 143, 10.1016/0020-7403(67)90004-5

Marcal, 1965, Int. J. mech. Sci., 7, 229, 10.1016/0020-7403(65)90040-8

Yamada, 1967, Seisan Kenkyu, 19, 75

Hill, 1950, 39

Pope, 1965, 635

Marcal, 1966, J. Strain Anal., 1, 339, 10.1243/03093247V014339

T. Sakurai and N. Yoshimura, Plan-Plane Stress Analysis Program, version-1, User's Manual, Mitsubishi Atomic Power Industries, Inc.

IBM 7090/7094 FRAN Framed Structure Analysis Program, Programmer's Manual

Hill, 1952, J. Mech. Phys. Solids, 1, 19, 10.1016/0022-5096(52)90003-3

Ewing, 1967, J. Mech. Phys. Solids, 15, 115, 10.1016/0022-5096(67)90021-X