Documentation for new uniaxial material Steel02M - #198
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The Steel02M uniaxial steel material is a modified Giuffre-Menegotto-Pinto model developed to eliminate overshooting and creeping errors observed in Steel02. It also permits independent definition of key cyclic material parameters in the positive and negative loading directions.
Reference: C. Kolay, S. Karmakar, B. Kumar, and H. Kakoty, “ An Improved Giuffré–Menegotto–Pinto Model: Implementation in OpenSees and Verification With Experimental Results.” Earthquake Engineering & Structural Dynamics (2026):. https://doi.org/10.1002/eqe.70266