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.
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。
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.
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。
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).
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。
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.
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 problems of creeping flow of Newtonian fluid extruded from a plane slit or a circular pipe are simulated using several kinds of finite element method.
本文首次成功地将压力不连续的非协调单元和罚函数法用于挤出胀大流动的有限元计算。
The Galerkin finite element method is applied to obtain simultaneous solutions in the space domain to the governing equations where the displacements and the fluid pressures are the primary unknowns.
利用有限元方法得到了控制方程中未知的位移和流体压力在几何域上的耦合解。
Magnetic fluid seal structure is analyzed by the finite element method (FEM) in this article.
本文利用有限元数值计算方法对磁流体密封结构进行了分析。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
The seismic analysis of liquid storage container is conducted by finite element method for transient dynamic fluid-solid coupling model.
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。
A numerical model, based on the finite element method, is established to describe a fluid flow in a deforming saturated oil reservoir.
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。
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.
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;
The results show that finite element method is suitable for the analysis of non-Newtonian fluid flow with complex geometry.
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。
In this paper, mechanism of one - and two-phase fluid flow in fractured media with different structures under electric fields was systematically investigated by finite element method (FEM).
采用有限元数值模拟方法系统地研究了电场作用下不同结构裂缝介质中单相和两相渗流机理。
The experimental results of a blasting centrifuge model test are numerically modeled and compared by using the fluid dynamic mechanics theory and dynamic finite element method.
利用流体动力学理论和动力有限元方法,对一受爆震波作用下的离心机模型试验结果进行了数值模拟与比较,并给出了几种典型屏障物对爆炸防护的影响。
Using the finite element method, with a special algorithm by treating the contact areas as zero-aperture elements, numerical simulations of fluid flow in joints were conducted.
考虑节理面上的接触领域的非透水性,用有限元法对节理中的渗流进行数值模拟。
By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.
本文采用有限元法,就三维楔形体结构对带自由表面流场的撞水过程进行了数值模拟。
Smoothed particle hydrodynamics (SPH) method coupled with finite element method (FEM) is used to simulate the dropping of rectangular fluid-filled tank.
采用SPH和FEM耦合的方法,考虑流固耦合效应的影响,对典型矩形薄壁充液容器的跌落过程进行数值仿真。
Based on the acoustic wave equation and structural motion equation, the vibration characteristics from the fluid loaded stiffened cylindrical double shell are studied by using finite element method.
基于流体的波动方程和结构的动力方程,利用有限元方法研究了考虑流固耦合时的双层加肋圆柱壳体的振动特性。
The incompressible, Newtonian fluid flow equations are solved using finite element method. The free surface motion of molten metal is tracked by the volumetric function approach.
使用有限法求解不可压缩牛顿流体流动控制方程,用体积函数法跟踪金属液自由表面的移动,预测了机体充型过程的流动速度场和温度场。
In this paper, a finite element method for viscous fluid is used to calculate the velocity and stress fields in the surrounding soft rock of a tunnel.
本文运用粘性流体有限元方法,计算软岩体中巷道围岩的速度场和应力场。
An improved method and system are disclosed for creating on a computer a native operators and test code file for a finite element simulator to model fluid flow in porous media.
公开一种在计算机上产生模拟多孔介质中流体流动的有限元模拟程序的本机运算符和测试代码文件的改进方法和系统。
A simple and useful fully automatic grid rezoning method, for unstructured triangular grids in the 2d finite element computation of elastic plastic fluid mechanics, is presented.
对二维弹塑性流体力学有限元计算中的非结构三角网格,提出了一种简单、实用的全自动网格重分方法。
A simple and useful fully automatic grid rezoning method, for unstructured triangular grids in the 2d finite element computation of elastic plastic fluid mechanics, is presented.
对二维弹塑性流体力学有限元计算中的非结构三角网格,提出了一种简单、实用的全自动网格重分方法。
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