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Biaxial fatigue analysis model under non-proportional phase loading of tensegrity cable domes
Graphical abstract Display Omitted
Highlights Coupling of the geometric nonlinear response under monotonic and cyclic loading. Correlation between numerical prediction and prediction deduced from critical plane criteria. Proposal of a new fatigue criterion specific to cable dome systems. Prediction of service life from parameters of behavior under monotonic loading. The extension of the proposed criterion is possible to other types of loading with different signals.
Abstract The proposed model, relating to cable domes, considers the mechanical behavior under monotonous loading coupled with the behavior under cyclic loading. To determine the fatigue function, multi-axial fatigue criteria have been adopted for the critical plane. The study begins with the search for the form, and the definition of the level of self-stressing. An analysis in geometric non-linearity is elaborated. The dome is subjected to high cycle fatigue loads, consisting of self-stress and maximum external load. Numerical simulation, with the correlation of the results, led to the formulation of a fatigue criterion specific to these systems.
Biaxial fatigue analysis model under non-proportional phase loading of tensegrity cable domes
Graphical abstract Display Omitted
Highlights Coupling of the geometric nonlinear response under monotonic and cyclic loading. Correlation between numerical prediction and prediction deduced from critical plane criteria. Proposal of a new fatigue criterion specific to cable dome systems. Prediction of service life from parameters of behavior under monotonic loading. The extension of the proposed criterion is possible to other types of loading with different signals.
Abstract The proposed model, relating to cable domes, considers the mechanical behavior under monotonous loading coupled with the behavior under cyclic loading. To determine the fatigue function, multi-axial fatigue criteria have been adopted for the critical plane. The study begins with the search for the form, and the definition of the level of self-stressing. An analysis in geometric non-linearity is elaborated. The dome is subjected to high cycle fatigue loads, consisting of self-stress and maximum external load. Numerical simulation, with the correlation of the results, led to the formulation of a fatigue criterion specific to these systems.
Biaxial fatigue analysis model under non-proportional phase loading of tensegrity cable domes
Logzit, N. (author) / Kebiche, K. (author)
Engineering Structures ; 245
2021-06-29
Article (Journal)
Electronic Resource
English
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