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Effect of Rubber Strain Rate on Performance of Aircraft Tire
Publisher: ASCE
Abstract: An aircraft tire is a kind of rubber product with a complex structure. When subjected to impact load, the mechanical properties of rubber material on strain history and strain rate cannot be ignored. According to the ...
Aerodynamic Design Optimization of a Staggered Rotors Octocopter Based on Surrogate Model
Publisher: ASCE
Abstract: Improving aerodynamic performance with limited dimensions is becoming more important in the design of multirotor aircraft. Complex coupling interactions exist between the structural parameters and aerodynamic performance ...
Nonlinear Assembly Tolerance Design for Spatial Mechanisms Based on Reliability Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Assembly tolerance design for spatial mechanisms is a complex engineering problem that involves a highly nonlinear dimension chain equation and challenges in simplifying the spatial mechanism matrix equation. To address ...
Crashworthiness Performance Simulation and Analysis of Combined-Type Landing Gear Buffer
Publisher: ASCE
Abstract: To improve the crashworthiness of the landing gear buffer, an oleo-pneumatic buffer combined with an expansion tube is proposed in this paper. A numerical analytical model based on deformation theory was used to acquire ...
Bifurcation Characteristics of Emergency Extension of a Landing Gear Mechanism Considering Aerodynamic Effect
Publisher: ASCE
Abstract: The emergency extension system for nose landing gear (NLG) is vitally important for safe landing in the event of hydraulic source failure. To study the dynamic properties of NLG emergency extension, it is necessary to ...