Calculation for Equivalent Nodal Force of Prestress in 20 Nodes Isoparametric Element

Hao Yang; Na Li; Bing Shuang Xu

doi:10.4028/www.scientific.net/AMM.142.129

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Calculation for Equivalent Nodal Force of Prestress in 20 Nodes Isoparametric Element
p.129

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 142Calculation for Equivalent Nodal Force of...

Calculation for Equivalent Nodal Force of Prestress in 20 Nodes Isoparametric Element

Abstract:

When establishing the prestressed bridge model with the entity unit, the simulation of prestress bar has very big limitation. The paper takes 20 nodes isoparametric element as an example and puts forward a kind of numerical method combined with the Newton iterative algorithm and Gauss integral algorithm to calculate equivalent loads of prestress in body element. This method can be used to calculate the equivalent loads of prestress in the various complex steel in bundle shapes and suits the computer programming. Through the final regular inspection, this method has been proved to have very high precision.

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Periodical:

Applied Mechanics and Materials (Volume 142)

Pages:

129-133

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.142.129

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Online since:

November 2011

Authors:

Hao Yang, Na Li, Bing Shuang Xu

Keywords:

Equivalent Loads, Isoparametric Element, Nodal Force, Pre-Stress, Shape Function

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