نتایج جستجو برای: elastic wrinkling

تعداد نتایج: 71763  

2014
Sahraoui Chaieb

The author neglected to cite a previously published related paper which reports that, when partially polymerized membranes suffer a wrinkling transition, the distribution of wrinkles is lognormal 1. In addition, some of the data reported in the manuscript were previously reported in reference 1. The data in Figure 1 are taken from Figure 3a and Figure 5 in ref. 1; Figure 2b is adapted from Figu...

2015
Yalong Zhang Xuan Ma

Metal curtain walls have been used to decorate the interiors and exteriors of large buildings. Most exteriors used in performing surface modeling of large buildings are linked or pieced by quadric surface. This surface, which is non-expansible, will cause wrinkling when stamped and used as a flat sheet metal of a metal curtain wall. These wrinklings are not distributed effectively because of th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1371

the effect of the presence of perforations on he stresses of a plate is a problem which is of great interest in structural design and in the mathemattical theory of elasticity. among the many hole patterns that are likely to require consideration is the ring of equally spaced circular holes. the present worke investigates stress & strain analysis of a thin isotropic circular plate containing a ...

Journal: :International Journal of Solids and Structures 2022

In this work we consider bubbles that can form spontaneously when a two-dimensional (2D) crystal is transferred to substrate with gases or liquids trapped at the crystal–substrate interface. The underlying mechanics may be described by thin sheet on an adhesive fluid applying uniform transverse pressure. What makes apparently simple problem complex rich interplay among geometry, interface, elas...

Journal: :Proceedings of the National Academy of Sciences 2014

Journal: :Key Engineering Materials 2022

Wrinkling, developed due to compressive instability, is one of the main failure modes in deep drawing processes. Depending on die geometry and blank holder force, it can be observed as flange wrinkling and/or side-wall wrinkling. In this study, cylindrical cup process investigated by using different constitutive models that are formed CPB06ex2, Hill’48, BBC2008-8p BBC2008-16p yield criteria wit...

Journal: :Advanced materials 2012
Chuan Fei Guo Vishal Nayyar Zhuwei Zhang Yan Chen Junjie Miao Rui Huang Qian Liu

Surface wrinkling instability is typically caused by compressive stresses in layered systems. In a bilayer system with a stiff surface layer on a drastically more compliant substrate, spontaneous wrinkle patterns emerge as a result of the wrinkling instability. The wrinkle patterns can be controlled to form ordered surface structures, offering an unconventional method for microfabrication. [ 1–...

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