Interfacial Debonding of a Piezoelastic Bi-Material Structure Applicable for Wind Rotor Blades

Interfacial Debonding of a Piezoelastic Bi-Material Structure Applicable for Wind Rotor Blades
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适用于风力发电机叶片的压电弹性双材料结构的界面脱粘

DOI:
10.1080/15376494.2013.864433
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发表时间:
2014
影响因子:
2.8
通讯作者:
W. Becker
W. Becker
中科院分区:
材料科学3区
文献类型:
--
作者:
J. Ivanova;V. Valeva;T. Petrova;W. Becker

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本文的主要目标是通过分析一维剪滞模型来模拟风力叶片的直线部分,以便通过沿界面的电压沿着变化来分析和检测可能的界面分层。考虑了由第一压电弹性层和第二弹性层组成的双材料结构在静态机械载荷和电载荷下的单胞。数值例子提供和说明的数字和讨论。提出了一个界面弹脆性脱层的判别准则,并给出了电载荷和静载荷联合作用下界面弹脆性脱层的安全区。
The main goal of the article is to model the straight line part of a wind blade by an analytical 1D shear lag model in order to analyze and detect possible interface delamination through the change of the voltage along the interface. A unit cell presented by a bi-material structure consisting of a first piezoelastic layer and an elastic second layer under static mechanical and electric load is considered. Numerical examples are provided and illustrated by figures and discussed. A criterion for detecting the interface elastic-brittle delamination and a safety zone for combined electrical and static loading is proposed.
层合复合材料板改进的简单高阶理论
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