English Temperature and moisture effect on laminated rhombic hyperbolic paraboloid

• Autorzy: Chaubey Abhay , Kumar Ajay , Grzegorczyk-Frańczak Małgorzata , Szafraniec Małgorzata

Identyfikatory

DOI

10.35784/bud-arch.763

• Języki publikacji: EN

Abstrakty

EN

The current work presents a hygrothermal analysis of laminated composite rhombic hyperbolic paraboloids. The cubic variation in displacement field together with cross curvature effects of the shell were used to solve the hygrothermal problem. Because of the parabolic variation of the transverse shear deformation, the shear correction factor was not necessary in this paper. In the mathematical model, the zero conditions of the transverse shear stress at the bottom and top of the shell were applied. The nine-noded curved isoparametric element with seven unknowns in each node was used to implement the present realistic mathematical model. The implementation of the finite element C0 (FE) of the present mathematical model was coded and performed in FORTRAN. The skew hyperbolic paraboloid on which the hygrothermal analysis was conducted had various temperatures, ply orientation, curvatures, moisture concentration, boundary conditions and thickness ratio. The paper shows that with the increase of the skew angle, the non-dimensional deflection decreases, and with the increase of moisture concentration, hygrothermal load and curvature ratio, the deflection increases. The results of the model presented in the paper were compared with other results published in the literature and were found to be consistent with them.

Słowa kluczowe

EN

temperature; moisture concentration; laminated composite; skew angle; ply orientation

• Wydawca: Wydawnictwo Politechniki Lubelskiej
• Czasopismo: Budownictwo i Architektura
• Rocznik: 2019
• Tom: Vol. 18, nr 4
• Strony: 23--40
• Opis fizyczny: Bibliogr. 30 poz., fig., tab.

Twórcy

autor

Chaubey Abhay

• Department of Civil Engineering; Koneru Lakshmaiah Education Foundation Indie

autor

Kumar Ajay

• Department of Civil Engineering, National Institute of Technology Patna Indie

autor

Grzegorczyk-Frańczak Małgorzata

• Wydział Budownictwa i Architektury; Politechnika Lubelska Polska

autor

Szafraniec Małgorzata

• Wydział Budownictwa i Architektury; Politechnika Lubelska Polska

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).