H. S. Tang

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A composite-grid numerical method is developed for simulating unsteady, three-dimensional (3D), incompressible flows in complex geometries. The governing equations are solved using a second-order accurate, finite-volume method based on the dual time-stepping artificial compressibility approach. Overset grids are employed to discretize arbitrarily complex(More)
The Chinese version of the Davidson Trauma Scale (DTS-C) was developed to respond to the need of Chinese-speaking individuals. The DTS is a validated self-rating scale used in the diagnosis of posttraumatic stress disorder (PTSD). The DTS-C is translated from DTS through a two-stage translation. Subjects were drawn from a sample of 210 survivors of the 21(More)
The rheological characterization and the determination of the parameters describing the shear viscosity and wall slip behavior of energetic materials is a challenge. Some of the conventional rheometers including various rotational rheometers are not capable of deforming typical energetic formulations with their gel binders and high degrees of particulate(More)
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