Hygrothermal Analysis of Laminated Composite Skew Conoids

Abhay Chaubey , Ajay Kumar , Stanisław Fic , Danuta Barnat-Hunek , Barbara Sadowska-Buraczewska

Abstract

The present paper is the first study on the hygrothermal analysis (i.e., effect of temperature and moisture loadings) of laminated composite skew conoids with reasonable depth and thickness. In order to solve the hygrothermal problem of laminated composite skew conoids, the cubic variation in displacement field, along with cross curvature effects of the shell, were considered. In the present analysis, the shear correction factor is not needed due to the parabolic variation of transverse shear strain. The zero transverse shear stress conditions at the top and bottom of the shell were imposed in the mathematical model. The novelty of our model is reflected by the simultaneous addition of twist curvature in the strain field, as well as the curvature in the displacement field allowing the reasonably thick and deep laminated composite rhombic conoid. The conoid behavior differs from the usual shells, like cylindrical or spherical ones, due to its inherent twist curvature with the complex geometry and different location of maximum deflection. The finite element (FE) implementation of the present realistic mathematical model was carried out using a nine-noded curved isoparametric element with seven unknowns at each node. The C0 FE implementation of the present mathematical model was done and coded in FORTRAN. The present model results were compared and found in good agreement with other solutions published in the literature. Hygrothermal analysis was performed for skew conoids having a different skew angle, temperature, moisture concentration, curvatures, ply orientation, thickness ratio, and boundary conditions.
Autor Abhay Chaubey
Abhay Chaubey
-
, Ajay Kumar
Ajay Kumar
-
, Stanisław Fic
Stanisław Fic
-
, Danuta Barnat-Hunek
Danuta Barnat-Hunek
-
, Barbara Sadowska-Buraczewska (WBiNoŚ/KKB)
Barbara Sadowska-Buraczewska
- Katedra Konstrukcji Budowlanych i Architektury
Tytuł czasopisma/seriiMaterials, ISSN 1996-1944, (N/A 140 pkt)
Rok wydania2019
Tom12
Nr2
Paginacja1-16
Objętość publikacji w arkuszach wydawniczych0,75
Słowa kluczowe w języku angielskimhygrothermal analysis; finite element method; shell; laminated
Klasyfikacja ASJC General Materials Science2500
DOIDOI:10.3390/ma12020225
URL https://www.mdpi.com/1996-1944/12/2/225
Identyfikator wewnętrzny000044901
Języken angielski
LicencjaUznanie Autorstwa (CC-BY)
Punktacja (całkowita)140
Żródło punktacjijournalList
PunktacjaPunktacja PB = 42.0, 17-06-2019, manual
Punktacja MNiSW = 140.0, 14-02-2020, ArticleFromJournal
Wskaźniki publikacji Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1,285; Impact Factor WoS: 2018 = 2,972 (2) - 2018=3.532 (5)
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