ASCE: Recent submissions
Now showing items 541-560 of 107386
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Sound Transmission Loss of Insulated Concrete Sandwich Panels: Analytical Model and Application
(American Society of Civil Engineers, 2026)AbstractMultifunctional energy-efficient and load-bearing insulated concrete sandwich panels (ICSPs), which consist of two concrete layers and a middle functional layer, have been increasingly used. Existing studies have ... -
Data-Efficient Machine Learning for Airfoil Prediction via Targeted Data Augmentation
(American Society of Civil Engineers, 2026)AbstractOptimizing airfoil geometry is critical for improving rotorcraft efficiency by directly influencing blade lift and drag forces. However, the inherent nonlinearity of fluid dynamics and the high dimensionality of ... -
Efficient Approach for the Stochastic Analysis and Reliability Assessment of Coupled Shear Wall Structures Using the Continuous Medium Method
(American Society of Civil Engineers, 2025)AbstractCoupled shear walls (CSWs) are commonly employed in high-rise buildings to resist lateral loads. The continuous medium method (CMM) offers a rapid approximation to predict the dynamic behavior of CSW structures. ... -
Bayesian Transfer Learning–Based Aerodynamic Robust Optimization of Ultrahigh-Lift Turbine Blades
(American Society of Civil Engineers, 2026)AbstractGeometric deviations can significantly degrade the aerodynamic performance of ultrahigh-lift (UHL) low-pressure turbine (LPT) blades. Conventional uncertainty quantification and robust optimization require extensive ... -
StructGNN-UNet: Research on Automatic 3D Segmentation of Aircraft Ice Pores Based on Graph Neural Networks
(American Society of Civil Engineers, 2026)AbstractAircraft icing poses a serious threat to flight safety, and accurately identifying the three-dimensional (3D) pore structures within dynamic ice is crucial for informing anti-icing and deicing strategies. Although ... -
Accelerated Deorbiting of MEO Satellites Using Low-Thrust Propulsion and Resonant Perturbations
(American Society of Civil Engineers, 2026)AbstractIn the medium Earth orbit (MEO) region, lunisolar secular resonances can lead to long-term eccentricity growth over timescales of centuries. To accelerate the orbital decay of end-of-life satellites, this study ... -
Investigation of the Aerodynamic and Aeroacoustic Performance of Tilting Ducted Fans
(American Society of Civil Engineers, 2026)AbstractThis study presents a detailed experimental and numerical investigation into the aerodynamic and aeroacoustic performance of a tilting ducted fan based on a NACA 0018 airfoil. Tests were conducted in an anechoic ... -
Distortion Analysis and Compensation for a Space Contact HIL Simulator with Force Delay and Dead Zone
(American Society of Civil Engineers, 2026)AbstractA space contact hardware-in-the-loop (HIL) simulator is a key facility for ground testing of space contact processes. It must faithfully reproduce the dynamics in space. Force delay is known to induce instability. ... -
ESO-MPC and Differential Flatness-Based Multivariable Control of High-Altitude Chamber Intake Systems
(American Society of Civil Engineers, 2026)AbstractThe intake system of high-altitude simulation chambers is characterized by strong nonlinearities, high coupling effects, and significant external disturbances, posing substantial challenges for achieving precise ... -
Numerical Analysis of Helicopter Characteristics during Ditching on Calm Water
(American Society of Civil Engineers, 2026)AbstractThis study investigates helicopter ditching characteristics using finite-volume method (FVM) simulations with the volume of fluid (VOF) multiphase model. This study examines the key factors that affect the ditching ... -
Integrating A* and APF for Dynamic Path Planning for the Mars Rover: A Fusion Approach to Avoid Deceptive Terrain
(American Society of Civil Engineers, 2026)AbstractMars exploration rovers must navigate treacherous deceptive terrain, which consists of surfaces that may appear easy to traverse but pose a significant risk of wheel slip, sinking, or rollover. Currently, these ... -
Ablation Analysis and Simulation Study of a Liquid Oxygen–Kerosene Gas Generator
(American Society of Civil Engineers, 2026)AbstractThis study addresses the ablation issue observed in the injection panels of a ring-shaped liquid oxygen and kerosene gas generator during thermal testing. A combined approach of experimental analysis and numerical ... -
Event-Triggered Fixed-Time Control for Satellite Attitude with External Disturbances
(American Society of Civil Engineers, 2026)AbstractThis paper proposes an event-triggered fixed-time control strategy to stabilize the satellite attitude under external disturbances. The approach integrates a fractional-order proportional-derivative (PD) controller ... -
Mitigating Typhoon Disruptions and Enhancing Port Infrastructure Performance: A Risk Assessment Approach
(American Society of Civil Engineers, 2026)AbstractPorts, positioned at the vital juncture of sea and land, are acutely vulnerable to external natural hazards such as typhoons, exposing them to significant risks and operational challenges. Assessing performance is ... -
Freeway Incident Duration Estimation and Temporal Instability Analysis Using Correlated Random Parameter Hazard-Based Model with Heterogeneity in Means and Variances
(American Society of Civil Engineers, 2025)AbstractExcessive freeway incident duration may increase the risk of secondary incidents or lead to other uncertainties. Investigation of the influence of various factors on freeway incident duration is crucial for reducing ... -
Design of Second-Order Sliding Mode Controller for Morphing Aircraft Based on NLFOEESO
(American Society of Civil Engineers, 2026)AbstractThis paper proposes a second-order sliding mode control method for morphing aircraft based on a nonlinear fractional-order error extended state observer (NLFOEESO). The proposed approach effectively maintains the ... -
Multigranularity Evolutionary Method for Cooptimization of Space Robot Design and Control for Different Targets
(American Society of Civil Engineers, 2026)AbstractSpace robots play a crucial role in on-orbit servicing tasks, including spacecraft life extension, on-orbit maintenance, and the removal of failed satellites. Their success in on-orbit capture missions depends not ... -
Thermal Stress Analysis of Free-Free Trusses under Temperature Change Using a Self-Regularized Approach
(American Society of Civil Engineers, 2026)AbstractIn this study, a self-regularized approach was employed to determine the thermal stress in a free-free truss, which results in a singular stiffness matrix. Physically, the stiffness and flexibility matrices of ... -
QPSO-BP Neural Network Model for Actuator Pressure and Friction Torque in Solid Rocket Ball Joint Nozzles
(American Society of Civil Engineers, 2026)AbstractFriction torque is crucial to the overall design, reliability of motion, and accuracy of a rocket nozzle. The accurate prediction of driving pressure is essential for calculating the friction torque. To address ... -
Impact of the Ceiling Effect on Thrust in Quadcopters: Analysis of Ceiling Distance and Rotor Separation in Baseline and Commercial UAVs
(American Society of Civil Engineers, 2026)AbstractThe use of unmanned aerial vehicles (UAVs) has experienced significant growth in recent years. The versatility and adaptability of multicopter drones make them ideal for operating in challenging environments, which ...