Now showing items 81-100 of 2488
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Dynamic Modeling and Longitudinal Characterization of Dual-Mode Morphing Aircraft
(American Society of Civil Engineers, 2025)AbstractThis paper focuses on morphing aircraft with variable-oblique wing and variable-sweep wing configurations. A dynamic aircraft model accounting for additional forces, moments, and center-of-mass offset effects has ... -
Dynamic Derivative Characteristics of a Lifting Body under Forced-Transition Conditions
(American Society of Civil Engineers, 2025)AbstractHigh lift-to-drag ratio lifting-body vehicles may experience abnormal phenomena, such as dynamic instability, induced attack angle divergence, and aperiodic unstable pitching oscillation when an asymmetric transition ... -
Approach Based on Machine Learning for the Sensitivity Assessment of an Aerodynamic Shape
(American Society of Civil Engineers, 2026)AbstractThis study presents an innovative approach to the aerodynamic optimization of wing-in-ground (WIG) effect vehicles, with a focus on enhancing operational efficiency and promoting environmental sustainability. A ... -
Machine Learning–Based Correlation Methods for Satellite Thermal Analysis Models
(American Society of Civil Engineers, 2026)AbstractAccurate thermal analysis is essential for reliable satellite thermal design. To improve the accuracy of thermal analysis, thermal analysis model correlation is performed using thermal vacuum chamber test results. ... -
Aeropropulsive Coupling Investigation of Boundary Layer–Ingesting Distributed Electric Propulsion Aircraft
(American Society of Civil Engineers, 2025)AbstractCompared with conventional aircraft, distributed electric propulsion (DEP) aircraft are recognized for their potential to enhance aerodynamic performance and propulsive efficiency, positioning them as one of the ... -
Aerodynamic Shape Optimization of Forebodies Based on the GEK and Discrete Adjoint Methods
(American Society of Civil Engineers, 2025)AbstractThe aerodynamic shape optimization of air-breathing hypersonic vehicles often involves a high computational load due to the large number of design variables. Additionally, the complex shockwave structures and ... -
LFT-FSI Modeling Approach for Transonic Flutter Prediction of Aeroelastic Systems Considering Uncertainties
(American Society of Civil Engineers, 2025)AbstractIn this work, a linear fractional transformation–fluid structural interaction (LFT-FSI) approach is developed by coupling a low-fidelity robust flutter method with high-fidelity FSI solutions and applied on the ... -
Improved Probabilistic Analytical Target Cascading for Complicated System Design: A Case Study of an Aircraft–Propulsion Integrated Conceptual Design
(American Society of Civil Engineers, 2025)AbstractThe acquisition of proper conceptual design is crucial for early development of complicated artifacts due to preventing the potential risks with the propagation of uncertainty factors. However, the following ... -
Dynamic Model for Umbrella Antenna Pointing Performance and Sensitivity Considering Interrib Tension Rope Stiffness Uncertainty
(American Society of Civil Engineers, 2026)AbstractThe performance of umbrella antennas is severely affected by external disturbances and structural parameters. However, existing research has yet to quantify the impact of interrib tension rope stiffness uncertainty ... -
Scarf Repair Design Based on the Axiomatic Design Approach
(American Society of Civil Engineers, 2026)AbstractToday, more than 50 weight percent of the structure of advanced civil aircraft such as the B787 and the A350 are made up of composite materials. Even large parts such as these planes’ wing spars and fuselage are ... -
New Framework for RBDO Applied in a Thrust Chamber
(American Society of Civil Engineers, 2026)AbstractThe design of a thrust chamber (TC) of a liquid propellant engine (LPE) presents several challenges from performance to predicting the optimization and reliability of the TC. Thus, multidisciplinary reliability-based ... -
Autonomous Control for Spacecraft in the Proximity of Noncooperative Targets
(American Society of Civil Engineers, 2025)AbstractRegarding the issue of autonomous control for close approach to noncooperative targets, a control model for astronauts based on the adaptive neuro-fuzzy inference system (ANFIS), and the subtractive clustering (SC) ... -
Multifidelity Model–Assisted Knowledge Transfer Optimization Method for Computationally Intensive Solid Rocket Motor Design
(American Society of Civil Engineers, 2025)AbstractSolid rocket motor design based on high-fidelity simulation models is extremely time-consuming in practical engineering problems. To improve the efficiency of solid rocket motor design problems, this study proposes ... -
Aerodynamic Optimization of a Low-Speed Counterrotating Axial Fan Stage
(American Society of Civil Engineers, 2025)AbstractCounterrotation offers a promising solution for the design of high-performance axial fans. This could be achieved by adopting the best parameter settings for the front rotor (FR) and the rear rotor (RR), and through ... -
Variable Damping Modification Adaptive Control of Aircraft with Wing Damage
(American Society of Civil Engineers, 2025)AbstractWing damage has adverse effects on aircraft, and may even lead to loss of control of the aircraft. This paper proposes a novel variable damping modification adaptive control approach to stabilize and control an ... -
Exploring Spanwise Loss Patterns: Numerical Analysis and Modeling of Linear Cascades with Tip Clearance Based on Leakage Flow Intensity
(American Society of Civil Engineers, 2025)AbstractLeakage and secondary flow losses significantly affect the efficiency of highly loaded compressors. Previous research on the impact of tip clearance on loss patterns has primarily focused on half-span analysis, ... -
Supporting Human Exploration of Mars: Experimental Evaluation of Thermal Drilling for Water Extraction from Martian Glacier Ice
(American Society of Civil Engineers, 2025)AbstractMartian subterranean glacier ice is a valuable resource that could provide the water required for in situ life support and rocket fuel production. Rodriguez Well technology has been proposed as a means to access ... -
Compilation of Aero-Engine Composite Flight Profiles Based on Flight Mission Segment Analysis
(American Society of Civil Engineers, 2025)AbstractThe composite flight profile of an aeroengine (AE) forms the basis for creating simulation mission test spectra and evaluating engine strength and lifespan, which is crucial for maintaining structural integrity. ... -
Neural Network–Driven Reentry Reference Trajectory Design and Tracking Using Sliding Mode Control
(American Society of Civil Engineers, 2025)AbstractThis paper introduces a novel method for designing the optimal reentry trajectory for the hypersonic winged reusable launch vehicle, X-33. The proposed method utilizes a cascaded neural network structure to determine ... -
Coordinated Design of Intelligent Morphing Decision and Entry Guidance for Morphing Hypersonic Glide Vehicles
(American Society of Civil Engineers, 2025)AbstractDue to the coupled effects of the morphing variable and the angle of attack on aerodynamic characteristics, the design of the morphing decision and entry guidance for morphing hypersonic vehicles would exhibit a ...