Abstract:This paper develops an implicit family of sub-step integration algorithms, which firstly requires identical effective stiffness matrices and third-order consistency within each sub-step. Consequently, the trapezoidal rule has to be employed in the first sub-step and optimal spectral properties are naturally embedded into the proposed algorithms. The analysis reveals at the first time that the constructed s-sub-step implicit schemes with s ≤ 6 can reach sth-order accuracy when achieving dissipation control and … Show more
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