Nonlinear Precise Integration Method and Its Application to Pseudodynamic Test of Structures

PDF(1592 KB)

Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (1) : 88-91,9.

论文

Nonlinear Precise Integration Method and Its Application to Pseudodynamic Test of Structures

Chen Bo-wang1, WANG Hai-bo2

Author information +

History +

Abstract

Combining the precise integration method and Adams-Bashforth-Moulton’s predict-correct multi-step method, we put forward a precise integration method for nonlinear dynamic equations, which is implicit predict-correct, four order accuracy and multi-step method avoiding calculating the inversion of the state matrix. Based on the advanced multi-step method of nonlinear precise integration, a new applied numerical integration method for pseudodynamic test of structures is raised. Its accuracy is superior to center difference method by enlarging time step twice or fourfold and its stability is better. Thus, the testing work would be largely reduced. Finally, a pseudodynamic test of combined tube structure has been executed with the explicit multi-step method.

Key words

nonlinear precise integration method / Adams-Bashforth-Moulton’s multi-step method / pseudo- dynamic test of structures / center difference method

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations

Chen Bo-wang;WANG Hai-bo. Nonlinear Precise Integration Method and Its Application to Pseudodynamic Test of Structures[J]. Journal of Vibration and Shock, 2009, 28(1): 88-91,9