27 Result(s)
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Chapter and Conference Paper
An Analysis on the Helicopter Rotor Aerodynamics in Hover and Forward Flight Using CFD/Time-Marching-Free-Wake Coupling Method
In this study, a helicopter rotor is simulated by tightly coupled CFD/Free-wake method to describe wake characteristics. Rotor blade and flow field aerodynamics are calculated by CFD, and wake motions are simu...
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Article
Dynamic responses of a crack in a layered graded magnetoelectroelastic sensor subjected to harmonic waves
The mechanical model is established for the dynamic fracture problem of a layered graded magnetoelectroelastic sensor subjected to harmonic waves. Fourier integral transform is employed to derive the system of...
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Article
Simulation of Solute Transport in Fractured Network with a Probability Method
The simulation of solute transport in fractured rock mass has been conducted with the Finite Difference Method(FDM), Finite Element Method(FEM) and Finite Analysis Method(FAM), etc.. However, groundwater flow ...
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Article
Numerical Study on Salinity Stratification in the Oujiang River Estuary
The variations of current, salt intrusion and vertical stratification under different conditions of river flow and wind in the Oujiang River Estuary (ORE) were investigated in this article using the Environmen...
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Article
Anti-plane shear fracture of the interface in a cylindrical smart structure with functionally graded magnetoelectroelastic properties
The purpose of the present work is to study the fracture behavior of the arc-shaped interface in a cylindrical non-homogeneous magnetoelectroelastic structure. Fracture analysis is performed by the method of C...
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Article
Multiple cracks on the interface between a piezoelectric layer and an orthotropic substrate
In the present work, we investigate the problem of multiple cracks on the interface between a piezoelectric layer and an orthotropic substrate. The method of dislocation simulation and singular integral equati...
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Article
Effect of Escape Device for Submerged Floating Tunnel (SFT) on Hydrodynamic Loads Applied to SFT
This paper presents a potential approach to settle the problem of surviving major safety accidents in Submerged Floating Tunnel (SFT) that detachable emergency escape devices are set up outside SFT. The Comput...
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Article
Experimental investigation and numerical analysis of unsteady attached sheetcavitating flows in a centrifugal pump
This paper studies the attached sheet cavitation in centrifugal pumps. A pump casted from Perspex is used as the test subject. The cavitation bubbles were observed in the entrance of the impeller and the drops...
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Article
Numerical study on wave loads and motions of two ships advancing in waves by using three-dimensional translating-pulsating source
A frequency domain analysis method based on the three-dimensional translating-pulsating (3DTP) source Green function is developed to investigate wave loads and free motions of two ships advancing on parallel c...
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Article
Valid hydrodynamic interaction regions of multiple ships advancing in waves
Based on the 3-D surface panel method combined with the translating-pulsating source Green function, an approximate approach is developed to solve the hydrodynamic interacting problem of multiple ships advanci...
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Article
Interfacial fracture analysis of a piezoelectric–polythene composite cylindrical shell patch under axial shear
The present work studies the interfacial fracture in a piezoelectric cylindrical shell patch. The problem is solved by the methods of infinite trigonometric series and Cauchy singular integral equation, and th...
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Article
Simulation of the load rejection transient process of a francis turbine by using a 1-D-3-D coupling approach
This paper presents the simulation and the analysis of the transient process of a Francis turbine during the load rejection by employing a one-dimensional and three-dimensional (1-D-3-D) coupling approach. The...
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Article
Improvement of numerical simulation of bimolecular reactive transport using time-dependent parameters
The overestimation of the contaminant concentration is a main issue in simulating the reactive transport using the common advection-dispersion-reaction equation (ADRE). To solve this problem, a new modeling me...
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Article
Coupled interfacial imperfections and their effects on the fracture behavior of a layered multiferroic cylinder
An interfacial imperfection coupling model is proposed to characterize the imperfect interface in a bi-layered multiferroic cylinder by extending the generalized linear spring model of the uncoupled imperfect ...
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Article
Experimental study of the transition from non-Darcian to Darcy behavior for flow through a single fracture
Laboratory experiments are designed in this paper using single fractures made of cement and coarse sand for a series of hydraulic tests under the conditions of different fracture apertures, and for the simulat...
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Article
A noninvasive method to predict fluid viscosity and nanoparticle size using total internal reflection fluorescence microscopy (TIRFM) imaging
This study examines the development of an automated particle tracking algorithm to predict the hindered Brownian movement of fluorescent nanoparticles within an evanescent wave field created using total intern...
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Article
Multiple parallel cracks in a magnetoelectroelastic strip under in-plane magnetic/electric field and clam**-induced antiplane pre-deformation
Many magnetoelectroelastic devices are mechanically clamped during service, and the clam** may lead to pre-deformation, which will in return affect the magnetoelectroelastic behavior. In the present paper, a...
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Article
Effects of the volume fraction of piezoelectric particles in the magneto-electro-elastic interfacial region on the fracture behavior of a laminate multiferroic plate
Magneto-electro-elastic (MEE) interfacial regions may be formed in multiferroic composites consisting of alternate piezoelectric (PE) and piezomagnetic layers during the hot-pressing process. The existence of ...
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Article
Concentrated force-induced fracture of a multiferroic composite cylinder
Although the cracking problems of multiferroic structures have been widely investigated, concentrated force-induced fracture still remains as an un-fully explored failure mode that has considerable significanc...
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Article
Single-cell compressibility quantification for assessing metastatic potential of cancer cells through multi-frequency acoustophoresis
Analyzing cancer cell compressibility with single-cell resolution is of high interest in understanding cancer metastasis as well as in other cell biology applications. Here, a multi-frequency acoustophoretic c...
