Research of time-stepping algorithms for MDOF pseudo-dynamic tests

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School of Civil Eng., Xi'an Univ. of Arch. and Tech., Xi'an 710055, China ^{[1
]}

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Jianzhu Jiegou Xuebao | 2006年 / SUPPL.卷 / 861-864期

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摘要：

Three integration algorithms, namely the center different method, the double β method and the α-C method, which can be used for MDOF pseudo-dynamic tests, are researched in this paper. The effects of integration parameters on structural period of the given models are discussed. It is revealed that with the implicit α-C algorithm based on Newton iteration the structural response can be precisely simulated. The spurious higher-frequency vibration signal caused by experimental errors can also be eliminated. The α-C algorithm should be adopted preferentially in the MDOF pseudo-dynamic tests.

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