在连续的流动中，每一流体元相继地经历节流过程。
Every successive element of fluid undergoes the throttling process in a continuous stream.
在这么短的时间元内，通过小曲线的流体，就是流速乘以时间元，还是小心一点来看吧。
And then the amount of matter that passes in that really, really small time is the flux times the amount of time. Let's be a tiny bit more careful.
从流体微元出发，用计算流体力学（CFD）的方法建立热管生物反应器的传热数学模型。
Using the fluid differential unit, the heat transfer mathematic model of heat pipe bioreactor (HPBR) was established by the calculated fluid hydrodynamics (CFD).
本文对旋流排淤器周围流体的流动进行了数学模拟，应用有限元方法计算出其周围的流速场和压力场。
This paper considers numerical simulation of the threedimensional radial flow for the fluid around the desiltor, then the circular flow is added in order to generate the spiral flow.
应用本模型可对聚合物驱或三元复合驱等流体性质变化的油藏的试井资料进行分析。
By use of this model, the analysis can be done to the well testing data of the reservoir with fluid property change of polymer flooding or alkali-surfactant-polymer flooding.
MMPP的直方图模型适用于信元区域，而流体流模型适用于突发区域。
The histogram approximation of MMPP model is used to cell region, and the fluid flow model is used to burst region.
根据计算流体力学与传热学原理，建立了描述铝合金电阻点焊液态熔核流动行为和传热过程的轴对称有限元模型。
Based on theories of computational fluid dynamics and heat transfer, an axial symmetry finite element model of velocity and temperature field of spot welding for aluminum alloy is established.
当结构在静水中振动时，如采用流体有限元来计算流体的附加质量和附加阻尼，势必导致解题规模过大。
When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix.
针对饱和土固结问题，利用可变形多孔介质中流体渗流的流固耦合有限元数值模型，对该问题进行了数值模拟。
The soil consolidation can be simulated by using a finite element numerical model of fluid-solid coupling of fluid seepage in a deformable porous medium.
首先叙述了地应力作用下空隙弹性介质中流体运移的基本方程及由基本方程推导的有限元公式。
In this paper are described first the differential equation and finite element formula for fluid migration under the action of crust stress in a porous rock.
根据地球液核基本运动方程，采用有限元方法对液核流体的对流状态进行了数值模拟。
According to the basic motion equations of the earth's fluid core, the convection of the fluid core has been simulated by use of Finite Element Method (FEM).
通过对结构与理想流体耦合问题的分析，利用有限元方法对流固耦合系统动力响应进行了研究。
Through analysis of the coupling problem between structure and ideal liquid, some researches were done on the dynamic responses of solid liquid coupling system using FEM.
利用有限元方法，建立了一个描述可变形饱和储层中流体流动的数值模型。
A numerical model, based on the finite element method, is established to describe a fluid flow in a deforming saturated oil reservoir.
应用流体固体动力耦合统一分析模型的有限元法，进行了储液池的抗震分析。
The seismic analysis of liquid storage container is conducted by finite element method for transient dynamic fluid-solid coupling model.
用变分有限元方法对描述地下流体渗流的偏微分方程进行了分析。
The partial differential equation of flow in porous medium has been studied with variational finite element method.
详细叙述流体有限元数值计算的步骤。
The steps of fluid finite element numerical calculation were related in detail.
理论分析与形成有限元公式所作的基本假设是罐内液体为理想流体以及它的流动是无旋的。
The theoretical analysis and the finite element formulation are based on the assumption that liquid in the tank is an ideal fluid and the liquid flow in the tank is irrotational.
然后针对一类复杂的非牛顿流体，采用有限元方法对其建模分析，得到的结果可以为进一步的简化解析建模提供参考。
For the Non-Newtonian fluid, Finite Element Method (FEM) is used to have an accurate description of the fluid flow details and this result can be used for further reduced-order modeling.
在医学三维重建、计算流体力学、有限元后处理、地震地质等众多领域得到了广泛应用。
It has been widely used in three-dimensional medical reconstruction, computational dynamic fluid, post-processing of finite element computation, seismic and geological applications.
本文根据流体机械准三元流动理论，以叶片式流体机械转轮的设计研究方法为出发点，针对斜流式水轮机转轮设计方法进行了理论探讨。
According to the quasi-three dimensional theory of hydraulic machinery, this paper discussed the runner design method of the diagonal turbine, based on the blade turbine runner design theory.
根据可压缩流体运动方程，推导建立了求解挡水结构动水压力的时域有限元公式。
Based on the movement equation of compressible fluid, a time-dependent finite element formula for analysis of hydrodynamic pressure on retaining structure during earthquakes is derived.
结果表明有限元法适于分析复杂流场中非牛顿流体的流动。
The results show that finite element method is suitable for the analysis of non-Newtonian fluid flow with complex geometry.
基于流体速度势，本文导出了非线性晃动问题的ALE有限元格式。
Based on fluid velocity potential, an ALE finite element formulation for the analysis of nonlinear sloshing problems has been developed.
分别采用有限差分法和有限元法对流固耦合流体渗流数学模型与岩石变形数学模型进行了求解。
The mathematical model of fluid percolation and rock deformation of fluid-solid coupling is solved with the finite difference method and the finite element method respectively.
尝试用有限元分析的方法模拟TLD中流体与结构的耦合作用，并验证了由此方法建立起来的流固耦合模型的可靠性；
Finite element method is used to carry on numerical simulation of fluid-structure interaction for the system of TLD, and a verification of the reliability of fluid-structure coupled mode is made.
在流体有限元分析中，采用映射网格不仅有助于减少由于网格划分带来的计算误差，还能防止运算发散，有利于获得更精确的结果。
In the analysis of fluid FEA, mapped mesh method is helpful to reduce the calculating error, avoid divergence and obtain more accurate results.
采用柱螺旋坐标系，把广义磁流体力学方程组简化为四元一阶微分方程组。
In cylindrical helical coordinates, generalized magnetohydrodynamic (MHD) equations are reduced to four first order differential equations.
在计算过程中，分别采用流体分析软件FLUENT分析流场和有限元分析软件ANSYS计算立管的动力响应。
CFD software FLUENT is used to analyze the fluid field and FE software ANSYS to analyze the riser dynamic response.
针对幂律型流体，建立了稳态三维粘性不可压缩流体非等温流动的有限元模型。
The modeling for three-dimensional incompressible viscous non-isothermal steady flow was presented by using penalty finite element method.
针对幂律型流体，建立了稳态三维粘性不可压缩流体非等温流动的有限元模型。
The modeling for three-dimensional incompressible viscous non-isothermal steady flow was presented by using penalty finite element method.
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