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확장 해밀턴 이론에 근거한 탄점소성 시스템의 시간유한요소해석법 KCI 등재
A Temporal Finite Element Method for Elasto-Viscoplasticity through the Extended Framework of Hamilton's Principle
pp.101-108
In order to overcome the key shortcoming of Hamilton's principle, recently, the extended framework of Hamilton's principle was developed. To investigate its potential in further applications especially for material non-linearity problems, the focus is initially on a classical single-degree-of-freedom elasto-viscoplastic model. More specifically, the extended framework is applied to the single-degree-of-freedom elasto-viscoplastic model, and a corresponding weak form is numerically implemented through a temporal finite element approach. The method provides a non-iterative algorithm along with unconditional stability with respect to the time step, while yielding whole information to investigate the further dynamics of the considered system.
