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The aim of this paper is to provide a numerical design method with finite element analysis for detecting and understanding of the self-loosening process at bolted joints and the influences of the preload generation for the residual shank torque in the numerical simulation.
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Finally, a comparison between numerical design methods and experimental results is proposed.
Finally, the theoretical predictions well coincided with the numerical results, and also validated the efficiency of the numerical optimization design method.
Based on the numerical results, a design method to consider the bending failure of the CDM column has been established.
A numerical exploratory designs method is used to identify the heat sources parameters in order to obtain a minimal required difference between the numerical results and the experiment which are the shape of the welded zone and the temperature evolution in different locations.
A numerical example illustrates the design method.
Tendency of the additional normal stresses are determined and based on the numerical results an enhanced design method is proposed to determine the transverse bending moment and the additional normal stresses.
The proposed method is compared with a previous optimal input design method in numerical simulations.
By using the uniform design method (UDM), numerical experiment samples are generated.
In this strategy, finite element analysis, Approximate model, a numerical optimization algorithm and probabilistic design method Monte Carlo simulation are integrated to create an automated design tool.
The companion paper (Part II) [1] introduces the executed numerical research program and the design method development for the flange buckling resistance.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com