A three-parameter single-step time integration method for structural dynamic analysis

2018 ◽  
Vol 35 (1) ◽  
pp. 112-128 ◽  
Author(s):  
Huimin Zhang ◽  
Yufeng Xing
1999 ◽  
Author(s):  
Bertrand Tchamwa ◽  
Ted Conway ◽  
Christian Wielgosz

Abstract The purpose of this paper is to introduce a new simple explicit single step time integration method with controllable high-frequency dissipation. As opposed to the methods generally used in structural dynamics, with a consistency experimentally chosen of second order, the new method is only first-order-consistent but yields smaller numerical errors in low frequencies and is therefore very efficient for structural dynamic analysis. The new method remains explicit for any structural dynamics problem, even when a non-diagonal damping matrix is used in linear structural dynamics problem or when the non-linear internal force vector is a function of velocities. Convergence and spectral properties of the new algorithm are discussed and compared to those of some well-known algorithms. Furthermore, the validity and efficiency of the new algorithm are shown in a non-linear dynamic example by comparison of phase portraits.


AIAA Journal ◽  
2001 ◽  
Vol 39 (12) ◽  
pp. 2394-2399 ◽  
Author(s):  
Yuanxian Gu ◽  
Biaosong Chen ◽  
Hongwu Zhang ◽  
Zhenqun Guan

2003 ◽  
Vol 46 (2) ◽  
pp. 492-499 ◽  
Author(s):  
Takeshi FUJIKAWA ◽  
Etsujiro IMANISHI ◽  
Takao NANJYO ◽  
Naoki SUGANO

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