Overview and novel insights into implicit/explicit composite time integration type methods—fall under the RK: no ifs, ands, or buts

Y Wang, X Xue, T Zhang, Q Dai, Y Liu, N Xie… - … Methods in Engineering, 2023 - Springer
In this paper, we provide an overview and describe some novel insights, designs and
developments, and demonstrate the general methodology and approach towards …

Directly self-starting higher-order implicit integration algorithms with flexible dissipation control for structural dynamics

J Li, R Zhao, K Yu, X Li - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
An implicit family of composite s-sub-step integration algorithms is developed in this paper.
The proposed composite s-sub-step scheme is firstly designed to satisfy two requirements …

For direct time integrations: A comparison of the Newmark and ρ∞-Bathe schemes

G Noh, KJ Bathe - Computers & Structures, 2019 - Elsevier
We consider the unconditionally stable Newmark and ρ∞-Bathe methods for the direct time
integration of the finite element equations in structural dynamics and wave propagations. In …

Three optimal families of three‐sub‐step dissipative implicit integration algorithms with either second, third, or fourth‐order accuracy for second‐order nonlinear …

J Li, K Yu, R Zhao, Y Fang - International Journal for Numerical …, 2023 - Wiley Online Library
This paper reviews the published composite three‐sub‐step implicit algorithms all of which
adopt the trapezoidal rule in the first sub‐step. Three optimal families of three‐sub‐step …

An analysis of implicit time integration schemes for wave propagations

SB Kwon, KJ Bathe, G Noh - Computers & Structures, 2020 - Elsevier
The objective of this paper is to investigate the optimal use of some time integration
schemes for the solution of transient wave propagation problems. We study the accuracy …

Novel explicit time integration schemes for efficient transient analyses of structural problems

W Kim, JN Reddy - International Journal of Mechanical Sciences, 2020 - Elsevier
In this study, four sets of novel and enhanced two-stage explicit time integration schemes
are developed based on a unified set of unconventional approximations. For the …

Two third-order explicit integration algorithms with controllable numerical dissipation for second-order nonlinear dynamics

J Li, K Yu, R Zhao - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
No literature has reported an explicit integration algorithm to achieve controllable numerical
dissipation and identical third-order accuracy simultaneously. This paper develops two …

A novel family of controllably dissipative composite integration algorithms for structural dynamic analysis

J Li, K Yu, X Li - Nonlinear Dynamics, 2019 - Springer
In this paper, a new family of controllably dissipative composite algorithms is developed to
obtain reliable numerical response of structural dynamic problems. The proposed algorithm …

[HTML][HTML] An improved implicit method with dissipation control capability: The simple generalized composite time integration algorithm

W Kim - Applied Mathematical Modelling, 2020 - Elsevier
In this paper, a simple and accurate implicit composite time integration scheme is newly
developed for more efficient transient analyses of structural problems. The new scheme …

Selecting the load at the intermediate time point of the ρ∞-Bathe time integration scheme

SB Kwon, KJ Bathe, G Noh - Computers & Structures, 2021 - Elsevier
The objective of this paper is to identify the optimal load selection at the intermediate time
point of the ρ∞-Bathe time integration method. We study the truncation errors of the scheme …