TY - JOUR T1 - A plane stress softening plasticity model for orthotropic materials JO - International Journal for Numerical Methods in Engineering PY - 1997/12/01 AU - Lourénço PB AU - De Borst R AU - Rots JG ED - DO - DOI: 10.1002/(sici)1097-0207(19971115)40:21<4033::aid-n PB - Wiley VL - 40 IS - 21 SP - 4033 EP - 4057 Y2 - 2024/12/25 ER -