The Linear Matching Method (LMM) is a numerical procedure that has undergone extensive research and development over a number of years to conduct various structural integrity assessments, more recently, the creep-fatigue damage assessment considering full creep-cyclic plasticity interaction using the extended Direct Steady Cycle Analysis. In order to encourage the widespread implementation of the LMM throughout the industry, an Abaqus CAE plug-in has been developed that enables its use by individuals with little or no understanding of the numerical theories involved. This chapter discusses different creep-cyclic plasticity mechanisms and provides a detailed review of the latest developments within the LMM framework for its evaluation. Case studies are included to demonstrate the applicability of LMM in the evaluation of creep-cyclic plasticity response for complicated loads, varying dwell periods and multi-material structures. Further, the flexibility of LMM to couple with Reversed Plasticity Domain Method to design cyclic load levels, and with design codes for creep-fatigue damage evaluation is also presented. All the results from the case studies demonstrate the level of accuracy, efficiency and robustness of the LMM.
CITATION STYLE
Puliyaneth, M., Jackson, G., Chen, H., & Liu, Y. (2021). The Linear Matching Method and Its Software Tool for Creep Fatigue Damage Assessment. In Lecture Notes in Applied and Computational Mechanics (Vol. 95, pp. 25–43). Springer. https://doi.org/10.1007/978-3-030-48834-5_2
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