Ultimate Longitudinal Strength of Composite Ship Hulls

Xiangming Zhang, et al. "Ultimate Longitudinal Strength of Composite Ship Hulls." Curved and Layered Structures 4.1 (2017): 158-166. <http://eudml.org/doc/288532>.

@article{XiangmingZhang2017,
abstract = {A simple analytical model to estimate the longitudinal strength of ship hulls in composite materials under buckling, material failure and ultimate collapse is presented in this paper. Ship hulls are regarded as assemblies of stiffened panels which idealized as group of plate-stiffener combinations. Ultimate strain of the plate-stiffener combination is predicted under buckling or material failure with composite beam-column theory. The effects of initial imperfection of ship hull and eccentricity of load are included. Corresponding longitudinal strengths of ship hull are derived in a straightforward method. A longitudinally framed ship hull made of symmetrically stacked unidirectional plies under sagging is analyzed. The results indicate that present analytical results have a good agreement with FEM method. The initial deflection of ship hull and eccentricity of load can dramatically reduce the bending capacity of ship hull. The proposed formulations provide a simple but useful tool for the longitudinal strength estimation in practical design.},
author = {Xiangming Zhang, Lingkai Huang, Libao Zhu, Yuhang Tang, Anwen Wang},
journal = {Curved and Layered Structures},
keywords = {Composites; Ship hull; stiffened panel; Ultimate longitudinal strength; analytical model},
language = {eng},
number = {1},
pages = {158-166},
title = {Ultimate Longitudinal Strength of Composite Ship Hulls},
url = {http://eudml.org/doc/288532},
volume = {4},
year = {2017},
}

TY - JOUR
AU - Xiangming Zhang
AU - Lingkai Huang
AU - Libao Zhu
AU - Yuhang Tang
AU - Anwen Wang
TI - Ultimate Longitudinal Strength of Composite Ship Hulls
JO - Curved and Layered Structures
PY - 2017
VL - 4
IS - 1
SP - 158
EP - 166
AB - A simple analytical model to estimate the longitudinal strength of ship hulls in composite materials under buckling, material failure and ultimate collapse is presented in this paper. Ship hulls are regarded as assemblies of stiffened panels which idealized as group of plate-stiffener combinations. Ultimate strain of the plate-stiffener combination is predicted under buckling or material failure with composite beam-column theory. The effects of initial imperfection of ship hull and eccentricity of load are included. Corresponding longitudinal strengths of ship hull are derived in a straightforward method. A longitudinally framed ship hull made of symmetrically stacked unidirectional plies under sagging is analyzed. The results indicate that present analytical results have a good agreement with FEM method. The initial deflection of ship hull and eccentricity of load can dramatically reduce the bending capacity of ship hull. The proposed formulations provide a simple but useful tool for the longitudinal strength estimation in practical design.
LA - eng
KW - Composites; Ship hull; stiffened panel; Ultimate longitudinal strength; analytical model
UR - http://eudml.org/doc/288532
ER -