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Open AccessExcavation method optimization and mechanical responses investigating of a shallow buried super large section tunnels: a case study in Zhejiang
The construction of super large section (SLS) shallow buried tunnels involves challenges related to their large span, high flat rate, and complex construction process. Selecting an appropriate excavation metho...
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Article
Thermal Response of Carbon Fiber Reinforced Polyimide Composite Laminate Coated with Highly Oriented Graphite Film Under Heating on Single Side
Polyimide composites, impeded by the physicochemical property of resin matrix material, are difficult to apply in the working conditions at higher temperatures. In order to increase the heat resistance of the ...
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Article
Open AccessSafety Assessment of Aircraft Fuel Tank Access Cover under the Impact Load by Tire Fragments
According to relevant airworthiness standards, the aircraft fuel tank access cover must withstand the impact by tire fragments, and minimize the penetration and deformation, which is critical for flight safety...
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Article
Buckling and Post-Buckling Behaviors of a Variable Stiffness Composite Laminated Wing Box Structure
The buckling and post-buckling behaviors of variable stiffness composite laminates (VSCL) with curvilinear fibers were investigated and compared with constant stiffness composite laminates (CSCL) with straight...
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Book
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Chapter
Introduction
Today, international aviation science and technology is develo** forward at an unprecedented rate. Aircraft structures tend to large-scale, complex, light-weighted and sophisticated. Meanwhile, service condi...
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Chapter
Fatigue Test and Analysis of Box Section
Due to requirements for weight reduction and structural safety, thin-walled structure is widely used in the aircraft, such as stiffened panels, spars, and box sections composed by skin, beams, and ribs. The mo...
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Chapter
Outline of Fatigue and Fracture Mechanics
Fatigue is a branch of research comprised of many disciplines, requiring a broad knowledge not only of elastic mechanics, plastic mechanics, fracture mechanics, vibration, and stress analysis, but also mathema...
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Chapter
Effect of Surface Quality of Open Holes on Fatigue Life
Much of the structural loading in an aircraft is transferred through fuselage skin panels to riveted fastening holes at lap joint of these panels. Stress concentration caused by these fastening holes lead to a...
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Chapter
Shot Peening Strengthening Technology
As the requirements of high speed, high maneuverability, lightweight, long lifetime, and high reliability of aircraft become higher and higher, integrated structure design is widely used, such as integral fram...
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Chapter
Anti-fatigue Strengthening Technology of Holes
In order to improve the resistance of the hole in the body structure, to make up for the defects caused by the drilling process, and to ensure the safety of the service life of the aircraft, people often use c...
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Chapter
Anti-fatigue Design and Analysis of Joints
Aircraft wings consist a variety of connection joints, which are often the most dangerous places where strength failure or fatigue damages occur. Although people are trying to develop the integrated structure ...
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Article
Simulation of the orthogonal cutting of OFHC copper based on the smoothed particle hydrodynamics method
In the last decades, mesh-free methods for simulating various cutting processes have been used very widely as they can eliminate numerical problems in the simulation of material failure and large plastic defor...
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Article
Molding process influence on pull-off performance of composite stiffened panels
Two types of molding process of composite stiffened panels which are co-curing and secondary-bonding are investigated, and pull-off experiment was designed to obtain the load-carrying capability and failure mo...
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Article
Simulation of the cutting sequence of AISI 316L steel based on the smoothed particle hydrodynamics method
Smoothed particle hydrodynamics (SPH) method, one of the latest and develo** methods, is used for modeling metal cutting process in this paper. SPH is a powerful technique that can be efficient in handling p...
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Article
On the tension necking of copper single crystal specimen under slip deformation mechanism
The tension necking of FCC copper single crystal specimen with a square cross section was analyzed under the slip deformation mechanism. The actual clamp manner of the specimen was modeled by setting correlati...
