• Numerical simulation of viscous flows through multistage transonic fans was carried out.

    进行多级跨音速风扇粘性流动数值模拟研究

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  • A numerical method for the simulation of quasi-3D steady and unsteady viscous flows in cascades has been presented.

    本文给出了一个模拟叶栅准三维粘性流动数值方法

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  • Aerodynamic characteristics of 2d wing in viscous flows in the presence of ground effect were investigated by CFD techniques.

    本文采用CFD技术,对存在地面效应机翼粘性中的空气动力特性进行了研究。

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  • The moving grids are attached to the wing and are generated at every time step in the calculation for the unsteady viscous flows.

    计算非定常流动时采用贴体运动网格,每一个时间步长生成

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  • In order to reduce the number of mesh points and to be compatible with the anisotropic nature of viscous flows, an anisotropic Cartesian grid method is proposed.

    为了异性相适应减少网格数量提出了一种各向异性网格加密

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  • In this paper, multigrid fictitious boundary method(MFBM)is applied to direct numerical simulation of vortex-induced motions of multi-cylinders in viscous flows.

    研究利用多重网格虚拟边界有限元MFBM数值模拟圆柱涡激运动问题。

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  • However, the accuracy of preconditioned schemes was not satisfied because of the poor performance of stability of preconditioning techniques used in viscous flows.

    然而,对于粘性流,预处理计算稳定性,从而影响计算精度

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  • Unsteady viscous flows over the gliding flap of Multi-element airfoils are simulated and studied by using the moving overlapped grids and the dual-time stepping method.

    运用动态嵌套网格技术时间推进算法,对多段襟翼滑动非定常黏性进行数值模拟和研究。

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  • Common boundary conditions, especially the inlet and wall conditions of ship viscous flows, are analyzed and corresponding measures of giving inlet values and satisfying wall condition are presented.

    本文分析了船舶粘性绕常用边界条件特别是入口边界条件壁面边界条件,如何给定入口边界条件、如何满足壁面边界条件给出了相应的解决方案。

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  • Although the hot rock of the mantle is a solid, under the tremendous pressure of the crust and overlying rock of the mantle, it flows like a viscous liquid.

    虽然地幔岩石固体,但在地壳地幔上覆岩石巨大压力粘性液体一样流动

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  • The Flowserve GAX cast iron series, double-helical, herringbone type gear pumps are designed to handle viscous fluids at low to medium flows and pressures.

    gax铸铁系列、人字齿齿轮泵处理中等流量压力粘性液体而设计的。

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  • Traditional gust responses are mainly analyzed based on linear aerodynamic load calculations in frequency-domain, which is unsuitable for and the viscous and transonic flows.

    传统阵风响应主要频域内进行分析气动载荷基于线性方法计算,不能考虑黏性跨声速流动影响

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  • In this paper, the nonequilibrium viscous shock layer equations have been used to calculate the hypersonic flows over blunt bodies in the fore-body region (including stagnation line and sonic line).

    本文化学非平衡粘性激波控制方程出发,数值法计算高超音速头部区流场(包括驻点线音速线)。

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  • A computational model for the treatment of unsteady, viscous cavitating flows is described in this paper.

    基于气液两相当地均相介质模型,本文给出了模拟定常粘性流动的计算模型。

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  • The chemical non equilibrium viscous shock layer flows over a teflon ablative wall are calculated numerically.

    本文对泰氟隆蚀的化学平衡粘性激波层流场进行了数值模拟。

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  • The outlet secondary flows in compressor cascades with end-bend blades have been studied experimentally and numerically. The viscous secondary vorticity equations are applied to prediction.

    实验并且采用考虑粘性涡传输方程计算端弯压气机叶片通道出口二次

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  • An error matching principle, which is base on the error analysis of the computations with high-aspect-ratio grids, is derived for the finite difference simulation of the viscous boundary layer flows.

    通过对粘性边界层数值模拟误差分析,提出差分格式的误差匹配原则

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  • Three-dimensional hypersonic viscous chemical nonequilibrium flows around a blunt body are numerically investigated in a dipole magnetic field.

    对偶子磁场作用下的三维钝头高超声速黏性绕流化学非平衡流动进行了数值模拟

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  • In a hot-working process, the metal is brought to the viscous or plastic state by subjecting it to elevated temperature, and by the use of pressure it flows without fracture.

    热加工过程中金属升温,使处于粘性即可状态,再加压使流动而不折断

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  • The debris flow gullies of Banzi, Taoguan and Chediguan generate low frequency and low viscous debris flows or hyper-concentrated flows with an average interval of 20~50 years.

    板子、桃关彻底关均为频率泥石流含沙洪水,平均2050发生一次;

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  • The high - aspect-ratio grids were commonly used in numerical simulations of the viscous boundary layer flows and the main calculation error was always correlated to the aspect ratio of the grids.

    边界层计算网格一般具有很大的长宽比,计算误差与网格长宽比密切相关。

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  • The high - aspect-ratio grids were commonly used in numerical simulations of the viscous boundary layer flows and the main calculation error was always correlated to the aspect ratio of the grids.

    边界层计算网格一般具有很大的长宽比,计算误差与网格长宽比密切相关。

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