Nonlinear Fracture Resistance Parameters for Elements of Aviation Structures under Biaxial Loading

V. N. Shlyannikov; A. P. Zakharov; A. V. Tumanov

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Nonlinear Fracture Resistance Parameters for Elements of Aviation Structures under Biaxial Loading

机译：双轴载荷下航空结构元素的非线性断裂参数

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摘要

This study is concerned with practical application of nonlinear deformation and fracture resistance parameters for residual durability estimation of the fuselage elements with operation damage. By means of numerical calculations for the fragment of fuselage skin with central crack the governing parameters of the elastic-plastic crack-tip stress field are determined as a function of biaxial loading. Two variants of modeling of the crack-tip stress field were performed for the panel of homogeneous isotropic material and a set of the special cohesive elements. As a result the assessment of the biaxial loading influence of fracture damage zone state on crack tip stress field in fuselage panel is given.

机译：本研究涉及非线性变形和裂缝抗性参数的实际应用，使机身元素与操作损坏的剩余耐久性估计。借助于具有中央裂纹的机身裂纹片段的数值计算，弹性塑料裂纹尖端应力场的控制参数被确定为双轴载荷的函数。对均匀各向同性材料面板和一组特殊粘性元素进行裂缝尖端应力场的建模的两个变体。结果，给出了对机身面板裂纹尖端状态对裂缝损伤区状态的双轴损伤影响的评估。

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来源
《Russian Aeronautics》 |2018年第3期|共7页
作者
V. N. Shlyannikov; A. P. Zakharov; A. V. Tumanov;
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作者单位

Kazan Science Center of RAS;

Kazan Science Center of RAS;

Kazan Science Center of RAS;

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原文格式 PDF
正文语种 eng
中图分类航空;
关键词
plastic factor of the stress intensity; biaxial loading; crack; cohesive model;

机译：应力强度的塑料因子;双轴装载;裂缝;凝聚力模型;

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1. Nonlinear Fracture Resistance Parameters for Elements of Aviation Structures under Biaxial Loading [J] . V. N. Shlyannikov, A. P. Zakharov, A. V. Tumanov Russian Aeronautics . 2018,第3期

机译：双轴载荷下航空结构元素的非线性断裂参数
2. Characterization of the nonlinear fracture resistance parameters for an aviation GTE turbine disc [J] . Valery Shlyannikov, Ivan Ishtyryakov, Andrey Tumanov Fatigue & fracture of engineering materials and structures . 2020,第8期

机译：航空GTE涡轮机的非线性断裂抗性参数的表征
3. Nonlinear finite element method models for ultimate strength analysis of steel stiffened-plate structures under combined biaxial compression and lateral pressure actions-Part Ⅰ: Plate elements [J] . Jeom Kee Paik, Jung Kwan Seo Thin-Walled Structures . 2009,第8a9期

机译：组合双轴压缩和侧压力作用下钢加劲板结构极限强度的非线性有限元模型-第一部分：板单元
4. Fatigue and fracture of plane elements with sharp notches under biaxial loading [C] . Krzysztof.L.Molski, Andrzej Seweryn, European Structural Integrity Society International conference on biaxial/multiaxial fatigue and fracture . 1999

机译：双轴载荷下具有锋利槽口的疲劳和骨折
5. Nonlinear thermal stress/fracture analysis of multilayer structures using enriched finite elements. [D] . Yildirim, Borg. 2000

机译：使用丰富有限元对多层结构进行非线性热应力/断裂分析。
6. 3D SSY Estimate of EPFM Constraint Parameter under Biaxial Loading for Sensor Structure Design [O] . Ping Ding, Xin Wang 2019

机译：双轴载荷下EPFM约束参数的3D SSY估计用于传感器结构设计
7. Fatigue fracture of thin-walled structural elements under biaxial loading [O] . Андрейків О. Є., Кіт М. Б., Andreykiv O. E., 2006

机译：双轴载荷下薄壁结构元件的疲劳断裂
8. A Finite Element Analysis of the Effects of Biaxial Loading on Fracture, [R] . lee,james d. liebowitz,harold 1976

机译：双轴加载对骨折影响的有限元分析，

Nonlinear Fracture Resistance Parameters for Elements of Aviation Structures under Biaxial Loading

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