YaBeSH Digital Library: Recent submissions
Now showing items 2781-2800 of 316660
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Optimization of Nonsinusoidal Twisting Motion for Enhanced Aerodynamic Performance of Three-Dimensional Flapping Wings
(American Society of Civil Engineers, 2026)AbstractThe combined motion of flapping and twisting in a flapping wing can achieve high propulsion efficiency. However, prior research has predominantly concentrated on the analysis of 2D airfoils subjected to sinusoidal ... -
Anomaly Detection for Wind Tunnel Flow Field Based on Ensemble Learning
(American Society of Civil Engineers, 2025)AbstractAnomalies in wind tunnel data can seriously affect data integrity, making efficient anomaly detection essential for improving data-driven methods. Research has shown that ensemble models for anomaly detection ... -
Experimental and Numerical Analysis of a Toroidal Propeller
(American Society of Civil Engineers, 2025)AbstractThis study presents an experimental and numerical analysis of a 254 mm toroidal propeller, focusing on its aerodynamic performance and acoustic characteristics. Experiments were conducted in an anechoic chamber, ... -
Novel RISE-Based Fault-Tolerant Control for Air-Breathing Hypersonic Vehicle with Actuator Fault and Unmatched Disturbance
(American Society of Civil Engineers, 2025)AbstractThis paper addresses the design of a fault-tolerant control strategy for the attitude system of air-breathing hypersonic vehicles (AHVs) subjected to actuator faults and unmatched disturbances, aiming to enhance ... -
Resilience Evaluation of Existing Metro Stations Considering Adjacent Construction Disturbance Intensity: Methodology and Application
(American Society of Civil Engineers, 2025)AbstractExisting metro stations (EMSs) are increasingly subject to disturbances from adjacent construction activities, posing significant threats to their operational safety. Resilience of EMSs throughout the disaster chain ... -
Singularity Analysis and Optimization Design for Landing Gear Locking Performance Considering Ground Loads
(American Society of Civil Engineers, 2026)AbstractThe locking mechanism assumes the responsibility of locking the landing gear in the extended position, which is the key to ensure that the landing gear is stable to withstand the landing load of the aircraft. ... -
Novel Element for Fracture Analysis of Delaminated Layered Composite Plates Using the Multilayer Modeling Method
(American Society of Civil Engineers, 2025)AbstractA novel element is proposed for fracture analysis of layered composite plates with delamination using the multilayer modeling method. The upper and lower subplates are both divided into one or multiple sublayers, ... -
Distributed Economic Nonlinear Model Predictive Control for Cooperative Attitude Maneuvers in Multiagent Spacecraft Formation Flying
(American Society of Civil Engineers, 2025)AbstractIn this paper, a distributed economic nonlinear model predictive control (DENMPC) is proposed to decrease the energy consumption in attitude cooperative control of spacecraft formation flying. Unlike traditional ... -
Optimal Leader–Follower Formation Control for Unmanned Aerial Vehicles Using the Multiplayer Stackelberg–Nash Game
(American Society of Civil Engineers, 2026)AbstractThis article addresses the optimal leader–follower formation control problem for unmanned aerial vehicles (UAVs) within a hierarchical decision-making framework. Due to the decision independence and task coupling ... -
Numerical Investigation of the Effects of Mach Number and Resonator Spacing on the Acoustic Damping Characteristics of Asymmetric Helmholtz Absorbers with Grazing Flow
(American Society of Civil Engineers, 2025)AbstractThe innovative concept of asymmetric Helmholtz absorbers was recently introduced for applications in aerospace engineering. However, the influence of Mach number on the acoustic behavior of asymmetric Helmholtz ... -
Geometrically Nonlinear Free Vibration of Composite Skewed Stiffened Elliptic Paraboloidal Panels
(American Society of Civil Engineers, 2025)AbstractIn the literature, free vibration studies of skewed elliptical paraboloidal panels with composite stiffeners are missing, especially using geometric nonlinearity. This paper fills that deficiency. It proposes a C0 ... -
Air Core Vortexing in Liquid Draining Vessels: Impact of Drain Port Vanes
(American Society of Civil Engineers, 2025)AbstractVortex formation in liquid propulsion tanks can obstruct propellant flow, reduce discharge efficiency, and cause cavitation in feed pumps, posing a risk to spacecraft and rocket performance. To mitigate these ill ... -
Free Vibration Analysis of Bidirectional Functionally Graded Beams Using a Novel Perturbation Theory–Based Approach
(American Society of Civil Engineers, 2025)AbstractBidirectional (2D) functionally graded material (FGM), which is characterized by a continuous spatial gradient in two directions in both its microstructure and material properties, exhibits numerous benefits, ... -
Tree-Based Adaptive Mesh Refinement on Line-Based Unstructured Grids for Airfoil Flows
(American Society of Civil Engineers, 2026)AbstractFor unstructured grids, a solution algorithm using Hamiltonian paths is computationally efficient because it utilizes hidden one-dimensional structures in the grids to perform finite difference reconstruction and ... -
Shock Wave Impact on Tandem Droplets: Analyzing Cavitation and Pressure Wave Dynamics
(American Society of Civil Engineers, 2025)AbstractThis study investigates shock wave interactions with two tandem water droplets and the resultant cavitation phenomena through high-resolution numerical simulations. Building on prior research focused on individual ... -
Uncertainty Quantification in Stochastic Subspace Identification Using a Simulation Method with DBSCAN-Based Outlier Detection
(American Society of Civil Engineers, 2026)AbstractThere are variance errors in the modal parameters estimated by stochastic subspace identification (SSI), with specified model order and time lag parameter. To quantify the variance of the identified modal parameters, ... -
Rigid–Flexible–Thermal Coupling Dynamics for Spacecraft with a Composite-Laminated Solar Array in a Space Thermal Environment
(American Society of Civil Engineers, 2026)AbstractThis paper proposes a rigid–flexible–thermal coupling dynamics model for a spacecraft with a composite-laminated solar array in a space thermal environment, and the thermally induced vibration on the spacecraft is ... -
Microstructure and Micromechanical Properties of Lunar Regolith Simulant–Based Geopolymers
(American Society of Civil Engineers, 2026)AbstractThis research investigates the microstructure and micromechanical properties of lunar-simulant-based geopolymers. Lunar simulant geopolymers were made by activating Off Planet Research H2N lunar highlands simulant ... -
Design and Dynamic Analysis of a Modular Scissor-Structure Antenna
(American Society of Civil Engineers, 2025)AbstractThe growing demand for advanced communication systems in aerospace has driven the need for larger and more efficient antennas. This paper presents a novel modular planar antenna based on a scissor mechanism, achieving ... -
Natural Characteristics of Thin-Walled Cylindrical Shells Made with Functional Gradient Materials under Interval Constraints
(American Society of Civil Engineers, 2025)AbstractThe vibration characteristics of the thin-walled functional gradient material cylindrical shell with complex boundary conditions are studied in this paper. The dynamical model of the cylindrical shell is established ...