Research on Space Frame Structure in Regard of Member Initial Stress

Mao Qing Liu; Jun Xu; Xin Xi Du

doi:10.4028/www.scientific.net/AMM.351-352.998

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 351-352Research on Space Frame Structure in Regard of...

Research on Space Frame Structure in Regard of Member Initial Stress

Abstract:

To reveal the harm of member initial stress on space frame structure, several models which are different in initial imperfection methods, material computational models and upper optimized stress ratios are employed to do nonlinear finited element analysis. It finds that the initial stress method and Marshall model are more accurate to simulate. When design the space frame structure, it must be avoided to optimize the cross section excessively in pursuit of economic factors.

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Periodical:

Applied Mechanics and Materials (Volumes 351-352)

Pages:

998-1003

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.351-352.998

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Online since:

August 2013

Authors:

Mao Qing Liu, Jun Xu, Xin Xi Du

Keywords:

Initial Imperfection, Initial Stress, Material Computational Model, Space Frame Structure

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