Home > Research > Publications & Outputs > Optimum mass design of prismatic assemblies of ...
View graph of relations

Optimum mass design of prismatic assemblies of plates with longitudinal voids

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Optimum mass design of prismatic assemblies of plates with longitudinal voids. / Williams, F. W. ; Ye, Jianqiao.
In: Computers and Structures, Vol. 44, No. 3, 17.07.1992, p. 557-565.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

APA

Vancouver

Williams FW, Ye J. Optimum mass design of prismatic assemblies of plates with longitudinal voids. Computers and Structures. 1992 Jul 17;44(3):557-565. doi: 10.1016/0045-7949(92)90388-G

Author

Williams, F. W. ; Ye, Jianqiao. / Optimum mass design of prismatic assemblies of plates with longitudinal voids. In: Computers and Structures. 1992 ; Vol. 44, No. 3. pp. 557-565.

Bibtex

@article{1e33c3e22e84485fafe2589be080823c,
title = "Optimum mass design of prismatic assemblies of plates with longitudinal voids",
abstract = "This paper investigates a new family of fibre laminated plate assemblies. The assemblies covered are prismatic and consist of a series of thin, flat, rectangular plates that have a series of equally spaced voids, which run for the full length of the central layer of the plates and have constant rectangular cross-section. Optimization of an important sub-group of such plate assemblies, namely blade-stiffened panels, is studied parametrically with the objective of minimizing their mass subject to buckling constraint under pure longitudinal compression. Ply thicknesses, fibre orientation and height of the blade stiffeners are the design variables used when optimizing and the variables changed during the parametric study are the number of stiffeners, a nondimensional load parameter and the aspect ratio of the panels. The parametric study shows graphically the effects on the panel mass of the number of voids in the portion between stiffeners, the thickness of individual voids, the number of stiffeners and the effects of prescribing the values of the stiffener height or thickness. It is observed that a substantial, e.g. 16-20%, mass saving can be achieved by using voids in the way advocated. These percentages are very close to those obtained by using the same voids for an individual plate that is identical to the skin between blades and is simply supported.",
author = "Williams, {F. W.} and Jianqiao Ye",
year = "1992",
month = jul,
day = "17",
doi = "10.1016/0045-7949(92)90388-G",
language = "English",
volume = "44",
pages = "557--565",
journal = "Computers and Structures",
issn = "0045-7949",
publisher = "Elsevier Limited",
number = "3",

}

RIS

TY - JOUR

T1 - Optimum mass design of prismatic assemblies of plates with longitudinal voids

AU - Williams, F. W.

AU - Ye, Jianqiao

PY - 1992/7/17

Y1 - 1992/7/17

N2 - This paper investigates a new family of fibre laminated plate assemblies. The assemblies covered are prismatic and consist of a series of thin, flat, rectangular plates that have a series of equally spaced voids, which run for the full length of the central layer of the plates and have constant rectangular cross-section. Optimization of an important sub-group of such plate assemblies, namely blade-stiffened panels, is studied parametrically with the objective of minimizing their mass subject to buckling constraint under pure longitudinal compression. Ply thicknesses, fibre orientation and height of the blade stiffeners are the design variables used when optimizing and the variables changed during the parametric study are the number of stiffeners, a nondimensional load parameter and the aspect ratio of the panels. The parametric study shows graphically the effects on the panel mass of the number of voids in the portion between stiffeners, the thickness of individual voids, the number of stiffeners and the effects of prescribing the values of the stiffener height or thickness. It is observed that a substantial, e.g. 16-20%, mass saving can be achieved by using voids in the way advocated. These percentages are very close to those obtained by using the same voids for an individual plate that is identical to the skin between blades and is simply supported.

AB - This paper investigates a new family of fibre laminated plate assemblies. The assemblies covered are prismatic and consist of a series of thin, flat, rectangular plates that have a series of equally spaced voids, which run for the full length of the central layer of the plates and have constant rectangular cross-section. Optimization of an important sub-group of such plate assemblies, namely blade-stiffened panels, is studied parametrically with the objective of minimizing their mass subject to buckling constraint under pure longitudinal compression. Ply thicknesses, fibre orientation and height of the blade stiffeners are the design variables used when optimizing and the variables changed during the parametric study are the number of stiffeners, a nondimensional load parameter and the aspect ratio of the panels. The parametric study shows graphically the effects on the panel mass of the number of voids in the portion between stiffeners, the thickness of individual voids, the number of stiffeners and the effects of prescribing the values of the stiffener height or thickness. It is observed that a substantial, e.g. 16-20%, mass saving can be achieved by using voids in the way advocated. These percentages are very close to those obtained by using the same voids for an individual plate that is identical to the skin between blades and is simply supported.

U2 - 10.1016/0045-7949(92)90388-G

DO - 10.1016/0045-7949(92)90388-G

M3 - Journal article

VL - 44

SP - 557

EP - 565

JO - Computers and Structures

JF - Computers and Structures

SN - 0045-7949

IS - 3

ER -