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多相场
相关语句
  multi-phase field
     The unidirectional solidification process of a binary eutectic model alloy at low Peclet number was simulated by multi-phase field method together with moving box algorithm.
     借助于多相场模型,利用移动盒算法模拟了小Peclet数下二元共晶模型合金的定向凝固过程。
短句来源
     Progress in Numerical Simulation for Eutectic Solidification with Multi-phase Field Method
     多相场法数值模拟共晶凝固研究进展
短句来源
     The multi-phase field model has experienced the development stages from pure material grain to multi-phase and multinary alloy, from isotropy to anisotropy,from isothermal temperature to aniso-thermal temperature.
     多相场模型经历了从纯物质晶粒到多元多相合金 ,从各向同性到各向异向 ,从等温模拟到非等温模拟的发展过程。
短句来源
     Theory and present research status of numerical simulation for eutectic solidification with multi-phase field method were expounded.
     阐述了多相场法模拟共晶凝固原理和研究现状。
短句来源
     The further research prospects were pointed out. It is suggested that flow field and stress field as well as other fields would be considered in future trendency of the multi-phase field model.
     并指出进一步的研究方向 ,认为未来将是发展包括流场、应力场以及其他场作用的共晶多相场模型。
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  “多相场”译为未确定词的双语例句
     MULTIPHASE FIELD MODELING OF THE EUTECTIC GROWTH AT VARYING VELOCITY
     共晶变速生长的多相场模拟
短句来源
  相似匹配句对
     MULTIPHASE FIELD MODELING OF THE EUTECTIC GROWTH AT VARYING VELOCITY
     共晶变速生长的相场模拟
短句来源
     The Simulation of Multiple Grains of Binary Alloy by Phase-field Model
     晶粒生长相场法模拟
     TRACKING OF MULTIPLE TARGETS
     目标跟踪
短句来源
     Multiple target Tracking
     目标跟踪
短句来源
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There are coupling phenomenon which are correlation of momentum,energy and mass transfer in field of flows,heat transfer,mass transfer and combustion.Based on higher order fluctuating correlation of turbulence and Reynolds averaged equations,this paper shows the couplings may be blended in terms of fluctuating correlation of turbulence and flowing averaged variable terms.Concepts of coupling of turbulence fluctuating variable and coupling of flowing averaged variable are also proposed.We point out the coupling...

There are coupling phenomenon which are correlation of momentum,energy and mass transfer in field of flows,heat transfer,mass transfer and combustion.Based on higher order fluctuating correlation of turbulence and Reynolds averaged equations,this paper shows the couplings may be blended in terms of fluctuating correlation of turbulence and flowing averaged variable terms.Concepts of coupling of turbulence fluctuating variable and coupling of flowing averaged variable are also proposed.We point out the coupling phenomenon that is correlation of momentum,energy and mass transfer can be formulated by the coupling of flowing averaged variable with turbulence models or closure statistical moment equations of Reynolds averaged equations.The concept of multi phase coupling and solved methods of coupling problems are also introduced.

从湍流脉动的高阶关联项以及湍流的雷诺(时均)方程出发,指出了动量场(速度场)、能量场、质量场(组分或浓度场)等相互耦合现象可以在湍流脉动关联项和时均项中同时存在;并提出了脉动耦合和时均耦合的概念;指出了在引入湍流模型即对雷诺时均方程使用湍流统计矩方程进行封闭后,动量、能量及质量(组分或浓度)之间的耦合现象可由时均耦合来描述. 介绍了多相(场)耦合的概念及求解耦合问题的基本思路和方法

Theory and present research status of numerical simulation for eutectic solidification with multi-phase field method were expounded. The multi-phase field model has experienced the development stages from pure material grain to multi-phase and multinary alloy, from isotropy to anisotropy,from isothermal temperature to aniso-thermal temperature. The further research prospects were pointed out.It is suggested that flow field and stress field as well as other fields would be considered in future trendency of the...

Theory and present research status of numerical simulation for eutectic solidification with multi-phase field method were expounded. The multi-phase field model has experienced the development stages from pure material grain to multi-phase and multinary alloy, from isotropy to anisotropy,from isothermal temperature to aniso-thermal temperature. The further research prospects were pointed out.It is suggested that flow field and stress field as well as other fields would be considered in future trendency of the multi-phase field model.

阐述了多相场法模拟共晶凝固原理和研究现状。多相场模型经历了从纯物质晶粒到多元多相合金 ,从各向同性到各向异向 ,从等温模拟到非等温模拟的发展过程。并指出进一步的研究方向 ,认为未来将是发展包括流场、应力场以及其他场作用的共晶多相场模型。

Based on the phase field model, the three-dimensioned numerical simulation of the dendritic growth of aluminum alloy was studied by coupling with heat noise. Since 3-D numerical simulation takes too much calculation, to speed up the calculation, heat noise was introduced only on the cell interfaces instead of the whole cell. Different optimized growing directions were introduced in multi-phase-field equations, which makes the simulation more coincident with the practical way. The simulation result was compared...

Based on the phase field model, the three-dimensioned numerical simulation of the dendritic growth of aluminum alloy was studied by coupling with heat noise. Since 3-D numerical simulation takes too much calculation, to speed up the calculation, heat noise was introduced only on the cell interfaces instead of the whole cell. Different optimized growing directions were introduced in multi-phase-field equations, which makes the simulation more coincident with the practical way. The simulation result was compared with those obtained experimentally and indicated that the introduction of heat noise is one of the causations which triggered the growth of the secondary arm, but doesn't influence the tip operating state.

以相场模型为基础,耦合热噪声,对三维铝合金枝晶生长进行模拟计算.考虑到三维模拟计算量大,赋值计算单元界面标志,在界面处引入噪声,而不是全局引入噪声,加快了计算速度.在多相场模型中选用了不同的生长最优方向,与实际情况更加符合.计算结果表明,加入热噪声是二次枝晶臂产生的原因之一,加入热噪声不影响尖端的稳态行为.

 
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