A time-marching procedure based on a sub-step explicit time integration scheme for non-viscous damping systems

被引：3
|
作者：
Liu, Tianhao [1 ]
Wen, Weibin [1 ]
Wang, Pan [1 ]
Feng, Fan [2 ]
机构：
[1] Cent South Univ, Sch Civil Engn, Changsha 410083, Peoples R China
[2] Hunan Inst Engn, Sch Civil Engn, Xiangtan 411104, Peoples R China
来源：
ENGINEERING WITH COMPUTERS | 2024年 / 40卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Dynamic response; Time-domain method; Non-viscous damping; Explicit; COMPUTATIONAL STRUCTURAL DYNAMICS; VISCOELASTIC STRUCTURES; DOMAIN; FREQUENCY;
D O I：
10.1007/s00366-023-01838-3
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An improved time-marching procedure based on a composite explicit method is proposed for non-viscous damping systems. In this method, an improved integral approximation scheme is developed to improve the convolution solution accuracy and is applicable to any causal kernel function. The mathematical derivation and calculation procedure based on the composite explicit method are formulated for non-viscous damping systems. The adopted composite explicit method shows more desirable stability and accuracy properties than other competitive explicit methods. Numerical simulations of some representative examples demonstrate the proposed time-marching procedure is efficient for the dynamic analysis of non-viscous damping systems.
引用
收藏
页码：1005 / 1025
页数：21
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