Relative performance of antisymmetric angle-ply laminated stiffened hypar shell roofs with cutout in terms of static behavior

Puja B. Chowdhury, Anirban Mitra, and Sarmila Sahoo. "Relative performance of antisymmetric angle-ply laminated stiffened hypar shell roofs with cutout in terms of static behavior." Curved and Layered Structures 3.1 (2016): null. <http://eudml.org/doc/276843>.

@article{PujaB2016,
abstract = {A review of literature reveals that bending analysis of laminated composite stiffened hypar shells with cutout have not received due attention. Being a doubly ruled surface, a skewed hypar shell fulfils aesthetic as well as ease of casting requirements. Further, this shell allows entry of north light making it suitable as civil engineering roofing units. Hypar shell with cutout subjected to uniformly distributed load exhibits improved performances with stiffeners. Hence relative performances of antisymmetric angle-ply laminated composite stiffened hypar shells in terms of displacements and stress resultants are studied in this paper under static loading. A curved quadratic isoparametric eight noded element and three noded beam elements are used to model the shell surface and the stiffeners respectively. Results obtained from the present study are compared with established ones to check the correctness of the present approach. A number of additional problems of antisymmetric angle-ply laminated composite stiffened hypar shells are solved for various fibre orientations, number of layers and boundary conditions. Results are interpreted from practical application standpoints and findings important for a designer to decide on the shell combination among a number of possible options are highlighted.},
author = {Puja B. Chowdhury, Anirban Mitra, Sarmila Sahoo},
journal = {Curved and Layered Structures},
keywords = {stiffened hypar shell; cutout; antisymmetric angle ply composite; finite element method},
language = {eng},
number = {1},
pages = {null},
title = {Relative performance of antisymmetric angle-ply laminated stiffened hypar shell roofs with cutout in terms of static behavior},
url = {http://eudml.org/doc/276843},
volume = {3},
year = {2016},
}

TY - JOUR
AU - Puja B. Chowdhury
AU - Anirban Mitra
AU - Sarmila Sahoo
TI - Relative performance of antisymmetric angle-ply laminated stiffened hypar shell roofs with cutout in terms of static behavior
JO - Curved and Layered Structures
PY - 2016
VL - 3
IS - 1
SP - null
AB - A review of literature reveals that bending analysis of laminated composite stiffened hypar shells with cutout have not received due attention. Being a doubly ruled surface, a skewed hypar shell fulfils aesthetic as well as ease of casting requirements. Further, this shell allows entry of north light making it suitable as civil engineering roofing units. Hypar shell with cutout subjected to uniformly distributed load exhibits improved performances with stiffeners. Hence relative performances of antisymmetric angle-ply laminated composite stiffened hypar shells in terms of displacements and stress resultants are studied in this paper under static loading. A curved quadratic isoparametric eight noded element and three noded beam elements are used to model the shell surface and the stiffeners respectively. Results obtained from the present study are compared with established ones to check the correctness of the present approach. A number of additional problems of antisymmetric angle-ply laminated composite stiffened hypar shells are solved for various fibre orientations, number of layers and boundary conditions. Results are interpreted from practical application standpoints and findings important for a designer to decide on the shell combination among a number of possible options are highlighted.
LA - eng
KW - stiffened hypar shell; cutout; antisymmetric angle ply composite; finite element method
UR - http://eudml.org/doc/276843
ER -