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RISWater Hammer Simulation Using Explicit–Implicit Coupling Methods
Publisher: American Society of Civil Engineers
Abstract: The method of characteristics (MOC) with the limitation of Courant’s stability condition is widely used in simulation of unsteady flow in a pipeline. However, the relatively complex method of implicit (MOI) provides the ...
Initiation and Propagation of Stress-Assisted Corrosion (SAC) Cracks in Carbon Steel Boiler Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Industrial boilers experience bulbous cracks in carbon steel water-wall tubes and other water-touched surfaces. Because these cracks are blunt and different from sharp fatigue cracks, they are ...
Experimental Approach to Selecting H∞ Weighting Functions for DC Servos
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes an experimental solution for selecting H∞ weighting functions by exploiting an experimental planning method which is widely used in quality control. Conducting matrix experiments ...
Vibrations and Stability of an Axially Moving Rectangular Composite Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The vibrations and stability are investigated for an axially moving rectangular antisymmetric cross-ply composite plate supported on simple supports. The partial differential equations governing the ...
Thermo-Mechanical Responses of a Surface-Coupled AFM Cantilever
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Atomic force microscopy (AFM) has been widely used for measuring mechanical properties of biological specimens such as cells, DNA, and proteins. This is usually done by monitoring deformations ...
Sensitivity Analysis and Accuracy Synthesis of a Deployable Antenna Considering Clearances and Link Tolerances
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Antenna panels of a satellite are usually deployed and supported by a deployable mechanism. The accuracy of the deployable mechanism is important because it directly affects the performance of the satellite. This article ...
Numerical Simulation of Heat Transfer Process of Viscoelastic Fluid Flow at High Weissenberg Number by Log-Conformation Reformulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Viscoelastic fluids are now becoming promising candidates of microheat exchangers’ working medium due to the occurrence of elastic instability and turbulence at microscale. This paper developed a sound solver for the heat ...
Applications of Genetic-Taguchi Algorithm in Flight Control Designs
Publisher: American Society of Civil Engineers
Abstract: A genetic algorithm (GA), a well-known numerical method, is widely applied in different areas of optimal studies. It is found that if the solution-search space is wide or if the selected fitness function is highly nonlinear, ...
Flutter Mechanism of Timoshenko Beams in Supersonic Flow
Publisher: American Society of Civil Engineers
Abstract: The flutter mechanism for cantilevered beam in supersonic flow is studied based on Timoshenko beam model and piston theory. The partial differential equations governing transverse deflection and rotation angle of the beam ...
Statistical Modeling for Energy Consumption and Anomaly Detection in Rubber Vulcanization Process
Publisher: American Society of Civil Engineers
Abstract: Factories are forced to pay for higher energy costs in the next decades because of increasing demand for energy and limited fuel resources. Efficient management of energy is among the greatest of challenges, especially for ...