A numerical example on allowable compressive stress settings for tension field model based on in-plane displacement distributions of membrane surface

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Publication year 2021
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Title A numerical example on allowable compressive stress settings for tension field model based on in-plane displacement distributions of membrane surface
Author takeshi AKITA
Summary In this paper, a numerical example to set allowable compressive stresses in tension field models is reported. The allowable compressive stresses in the tension field model is set to minimize the difference from the in-plane displacement distribution in wrinkled membrane surfaces. For a simple example, a rectangular tension membrane under shear load was analyzed by using a pseudo-bifurcation buckling analysis to obtain the displacement field with wrinkling. The allowable compressive stresses in the tension field model was determined by using in-plane displacement distribution in the wrinkled membrane. From the tension field analysis with the allowable compressive stress determined, it is confirmed that the relationship between the forced displacement and the reaction force is in good agreement with the results of the pseudo-bifurcation buckling analysis, which indicates the effectiveness of the presented approach in this example.