Abstract: Effects of aspect ratio, sweep angle, and stacking sequence of laminated composites were studied to find the optimized configuration of an aeroelastically tailored composite wing idealized as a flat plate in terms of flutter speed. The aeroelastic analysis has been carried out in frequency-domain. The 2D finite element analysis in conjunction with Doublet-lattice Method (DLM) has been...

In this paper a method is presented to generate uniform hexahedral meshes automatically. In this method, a solid model with complex geometry is decomposed into swept volumes with simpler geometry. A sweepable face on the solid model is selected as the generator face to generate a swept volume. Each generator face is specified with node density and a quadrilateral mesh is generated from it. Then...

The transition characteristics around the leading edge of a swept-back wing shape were numerically investigated. We conducted direct numerical simulations (DNSs) swept-wing with high Reynolds number Re=Rec/cos ?=5.85×106 based on chord length sweep angle ?=70°. In study, randomly distributed impulsive local body force was applied at wall to encourage transition. Through forcing, two coherent wa...

We have investigated magnetic hysteresis in transport critical-current (I c) measurements of Ag-matrix (Bi,Pb)2Sr2Ca2Cu3O10- x (Bi-2223) and AgMg-matrix Bi2Sr2CaCu2O8+ x (Bi-2212) tapes. The effect of magnetic hysteresis on the measured critical current of high temperature superconductors is a very important consideration for every measurement procedure that involves more than one sweep of magn...

Min. hip  – – 0.12 0.11 0.06 0.22 – – – – – – Min. knee  – – – – 0.15 0.28 – – 0.11 0.17 0.10 0.17 Min. ankle  0.06 –0.06 – – 0.10 0.30 0.10 –0.05 – – – – Min. MTP  0.15 0.20 – – 0.05 0.17 0.10 0.09 – – – – Min. rotation  – – – – – – – – 0.14 0.22 0.15 0.17 Total  swept hip – – – – 0.09 0.16 – – – – – – Total  swept knee – – – – – – – – 0.08 0.17 0.07 0.20 Total  swept ankle 0.10 –0.04 ...

In this study, we develop an ultra-fast fiber Bragg grating sensor system that is based on the Fourier domain mode-locked (FDML) swept laser. A FDML wavelength swept laser has many advantages compared to the conventional wavelength swept laser source, such as high-speed interrogation, narrow spectral sensitivity, and high phase stability. The newly developed FDML wavelength swept laser shows a ...

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In this study, we numerically investigated the effects of design parameters, such as strut geometry or diffusion angle, on performance an industrial turbine exhaust diffuser. Turbine diffusers are commonly used to change kinetic energy gases from outlet stages into static pressure. The diffuser in work consisted annular with five identical struts equally spaced around front circumference and a ...

The sweeping algorithm is a classical algorithm that can generate high quality hexahedral meshes for swept volumes. However, the traditional sweeping algorithm can only generate single axis swept meshes. In order to expand the scope of the model that sweeping algorithms are applicable to, this paper proposes a global multi-axis swept mesh generation approach, which can robustly generate hexahed...