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RISOn the Role of Temperature and Salinity Data Assimilation to Constrain a Coupled Physical–Biogeochemical Model in the Baltic Sea
Publisher: American Meteorological Society
Abstract: three-dimensional variational data assimilation (3DVAR) method is implemented in a coupled physical?biogeochemical (CPB) model in the Baltic Sea. This study carries out a 10-yr assimilation experiment with satellite sea ...
Forced Response Analysis of Rotor Blades with the Mode-Based Aeroelastic Model
Publisher: American Society of Civil Engineers
Abstract: Forced response is a common aeroelastic problem which can lead to blade damage. The computational fluid dynamics/computational structural dynamics (CFD/CSD) simulation is the most accurate numerical method to analyze the ...
Dexterity and Adaptive Control of Planar Parallel Manipulators With and Without Redundant Actuation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this paper is to determine whether a planar parallel manipulator with redundant actuation has better tracking accuracy than a planar parallel manipulator without redundant actuation. The effects of the ...
Reduced-Order Modeling for Nonlinear Aeroelasticity with Varying Mach Numbers
Publisher: American Society of Civil Engineers
Abstract: This paper proposes a nonlinear aerodynamic reduced-order model robust to different Mach numbers based on a recursive neural network. To model the nonlinear features with varying flow parameters, the Mach number is adopted ...
Effects of Sea Level Data Assimilation by Ensemble Optimal Interpolation and 3D Variational Data Assimilation on the Simulation of Variability in a Tropical Pacific Model
Publisher: American Meteorological Society
Abstract: ea level anomalies (SLA) from the Ocean Topography Experiment (TOPEX)/Poseidon are assimilated with three-dimensional variational data assimilation (3DVAR) and ensemble optimal interpolation (EnOI) for the period of ...
Simulation-Based Environmental Risk Analysis of Mixed Traffic Flow at Intersections
Publisher: ASCE
Abstract: Environmental pollution risk caused by urban transport emissions is becoming increasingly serious and is an urgent issue in the process of establishing sustainable transport systems. In particular, the development of ...
Experimental Study of the Anisotropic Frost Heave Characteristics of Rock Surrounding Tunnels in Cold Regions
Publisher: ASCE
Abstract: Considering the characteristics of the surrounding rock temperature and water replenishing direction of tunnels in cold areas, to study the frost heave deformation law of surrounding rock under a certain stress environment, ...
Gust Response Alleviation with Model-Free Adaptive Control Method in Transonic Flow
Publisher: American Society of Civil Engineers
Abstract: In transonic flow, nonlinear problems due to shock waves could be induced by gusts, leading to difficulty in acquiring a relatively accurate aerodynamic model in the form of a state equation for gust alleviation, which is ...
Experimental Evaluation of Load Transfer Mechanisms in Steel Truss Bridges under Varied Damage Scenarios
Publisher: American Society of Civil Engineers
Abstract: Abstract This paper investigates the structural robustness of a steel Pratt-type truss bridge
through a series of experimental analyses focusing on various damage scenarios. Twelve
distinct damage scenarios were examined ...
Symmetrical Solutions for Edge-Loaded Annular Elastic Membranes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Föppl–Hencky nonlinear membrane theory is employed to study the axisymmetric deformation of annular elastic membranes. The general solutions for displacements and stresses are established ...