The stochastic finite element method: past, present and future
G Stefanou - Computer methods in applied mechanics and …, 2009 - Elsevier
A powerful tool in computational stochastic mechanics is the stochastic finite element
method (SFEM). SFEM is an extension of the classical deterministic FE approach to the …
method (SFEM). SFEM is an extension of the classical deterministic FE approach to the …
Probabilistic resolution of the twentieth century conundrum in elastic stability
I Elishakoff - Thin-Walled Structures, 2012 - Elsevier
This paper overviews the efforts that led to resolution of the 20th century conundrum in
elastic stability of shells. In particular, the dramatic disagreement between theoretical and …
elastic stability of shells. In particular, the dramatic disagreement between theoretical and …
A novel non-probabilistic reliability-based design optimization algorithm using enhanced chaos control method
In this study, an efficient and robust algorithm of non-probabilistic reliability-based design
optimization (NRBDO) is proposed based on convex model. In this double-nested …
optimization (NRBDO) is proposed based on convex model. In this double-nested …
Buckling behaviors of thin-walled cylindrical shells under localized axial compression loads, Part 1: Experimental study
P Jiao, Z Chen, H Ma, P Ge, Y Gu, H Miao - Thin-Walled Structures, 2021 - Elsevier
Thin-walled cylindrical shell structure not only shows the highly efficient load carrying
capacity but also is vulnerable to buckling instability failure. In practical application, these …
capacity but also is vulnerable to buckling instability failure. In practical application, these …
Buckling behaviors of thin-walled cylindrical shells under localized axial compression loads, Part 2: Numerical study
P Jiao, Z Chen, H Ma, P Ge, Y Gu, H Miao - Thin-Walled Structures, 2021 - Elsevier
In the second part of this series paper, a high-fidelity finite element model was established
first to systematically study the buckling behaviors of thin-walled cylindrical shell subjected …
first to systematically study the buckling behaviors of thin-walled cylindrical shell subjected …
Polymorphic uncertainty modeling for the simulation of geometric imperfections in probabilistic design of cylindrical shells
Geometric imperfections are part of the disagreement between theoretically and
experimentally determined buckling loads of cylindrical shells. Due to the random nature of …
experimentally determined buckling loads of cylindrical shells. Due to the random nature of …
[HTML][HTML] Super parametric convex model and its application for non-probabilistic reliability-based design optimization
Z Meng, H Hu, H Zhou - Applied Mathematical Modelling, 2018 - Elsevier
In this study, we attempt to propose a new super parametric convex model by giving the
mathematical definition, in which an effective minimum volume method is constructed to give …
mathematical definition, in which an effective minimum volume method is constructed to give …
Robust design optimization of imperfect stiffened shells using an active learning method and a hybrid surrogate model
There are many uncertain factors in aerospace structures, such as variations in
manufacturing tolerance, material properties and environmental aspects. Although …
manufacturing tolerance, material properties and environmental aspects. Although …
Efficient modeling of imperfections for buckling analysis of composite cylindrical shells
M Broggi, GI Schuëller - Engineering Structures, 2011 - Elsevier
Unstiffened composite cylindrical shells show a large scatter in the load levels that the
structure can withstand before buckling occurs. Such scatter is greatly influenced by the …
structure can withstand before buckling occurs. Such scatter is greatly influenced by the …
[HTML][HTML] Buckling analysis of imperfect shells with stochastic non-Gaussian material and thickness properties
V Papadopoulos, G Stefanou… - International Journal of …, 2009 - Elsevier
In this paper, the effect of material and thickness spatial variation on the buckling load of
isotropic shells with random initial geometric imperfections is investigated. To this purpose, a …
isotropic shells with random initial geometric imperfections is investigated. To this purpose, a …