• 得出该格式的数值耗散数值频散阶。

    It is found that the numerical dissipation is second order and the numerical dispersion is third order.

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  • 计算结果表明,本文方法能够有效地减少旋翼尾迹数值耗散

    It is shown that the present method can effectively reduce the numerical dissipation of the rotor wake.

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  • 减少尾迹数值耗散便于添加上述边界条件采用了嵌套网格方法

    Embedded grids are adopted to weaken the numerical diffusion of the wake and to apply the above boundary conditions.

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  • 因为没有欧拉·拉格朗日方法那样反复插值,所以质点跟踪极大地降低数值耗散

    Without repeated interpolations such as in ELM, the Particle-tracing Method reduces the numerical diffusion quite a lot.

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  • 计算在非交错网格上进行,为了避免压力场的振荡,在连续方程中隐式地加入了压力的数值耗散项。

    The 4th order numerical dissipation for pressure was added in the continuity equation to avoid oscillations in pressure solution.

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  • 结果表明三次样条方法带有放射性衰变水动力弥散方程数值计算抑制数值耗散一种有效的方法。

    It is shown that cubic spline method is effective for restraining numerical dispersion in numerical simulation of hydrodynamic dispersion equations with radioactive decay.

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  • 每个网格中线性重构函数斜率根据耗散得到的,它要求网格上重构函数熵的网格平均与此网格上数值熵相等。

    In the scheme the reconstruction of solution is performed by requiring the cell-average of the entropy of the reconstructed solution to be equal to the numerical entropy in each grid cell.

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  • 并且给出了一个新的数值差分作为基本模块的耗散函数。

    A new entropy dissipator, based on the second-order difference of the numerical solution is given.

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  • 本文运用基于颗粒动理学理论欧拉-欧拉固多相模型,考虑颗粒自旋转流动颗粒碰撞能量交换耗散影响数值模拟流化床内气体颗粒两相流动特性

    Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.

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  • 数值计算理论分析结果表明,根据最小传递耗散原理得到的结果优于最小产原理得到的结果。

    The numerical and analytic results show that the heat transfer rate obtained by potential capacity dissipation minimization is better than that by entropy generation minimization.

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  • 模拟表明模型能够自动捕捉间断且能消除激波附近虚假数值振荡,克服了在间断处过分耗散数值振荡的缺点。

    Case study shows that, instead of dissipation of discontinuity and numerical oscillation, the model can capture discontinuity and eliminate spurious numerical oscillation.

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  • 采用耗散概念(EDC模型等离子发生器湍流燃烧流场进行数值模拟。

    The eddy-dissipation-concept (EDC) model is used to simulate the three-dimensional combustion process in a plasma generator.

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  • 文中分析了数值方法稳定性收敛性考查横向耗散项对计算结果影响

    The stability and convergence of the numerical scheme is analyzed, and the effect of the crossflow dissipation integral upon the calculation are examined.

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  • 数值方法研究了自由强迫耗散系统轨线影响

    The effect of the free mode on the trajectory of the solutions to a forced dissipative system is numerically researched.

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  • 数值方法研究了自由强迫耗散系统轨线影响

    The effect of the free mode on the trajectory of the solutions to a forced dissipative system is numerically researched.

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