流固耦合
- 网络Fluid solid coupling;Fluid-structure interaction;fsi
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结果表明,流固耦合作用对系统模态频率的影响较大,对系统模态振型的影响较小。
Our results show that FSI affects the system modal frequencies seriously , but mode shapes slightly .
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以Ansysworkbench为平台,对大跨度钢桁架拱桥的吊索进行合理流固耦合分析计算。
Based on the platform of ANSYS WORKBENCH , the reasonable calculation of FSI for the bridge cable was carried out .
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利用ANSYS流固耦合作用工具FSI及任意拉格朗日欧拉法对胶液喷射器内胶液流动过程进行了研究。
In this paper ; we present a computational study of the jetting process using ANSYS fluid-structure interaction ( FSI ) analysis tools and .
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基于ADINA的压力管道流固耦合分析
Coupling analysis of fluid-structure interaction in pressure pipes based on ADINA
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文中采用有限元软件ANSYS对结构的静力及动力特性进行数值计算,对在数值计算中涉及的ANSYS单元及流固耦合知识进行了研究分析。
This article calculated the static and dynamic characteristic of the structure by ANSYS software , researched the knowledge of ANSYS elements and fluid-structure interaction in numerical calculation .
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在流体域采用ALE描述时,流固耦合问题是一种流场、网格场和固体场的三种耦合问题。
In ALE formulation the fluid-structure interaction analysis becomes a three-field coupling problem of the fluid field 、 the solid field and the fluid dynamic mesh .
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为考虑流固耦合作用,将振动方程的数值方法Runge-Kutta法代码嵌入FLUENT软件中,使之可以进行涡激振动仿真计算。
Considering fluid and solid coupling , the vibration equation method Runge-Kutta numerical method code were embedded in FLUENT software , and then the vortex-induced vibration ( VIV ) can be simulated .
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用基于任意拉格朗日欧拉法(ALE)的流固耦合模拟方法估算了不同风速和树叶角度的情况下风施加在树叶上的作用力;
An arbitrary Lagrange-Eulerian ( ALE ) based fluid-structure interaction method was used to calculate the wind force exerted on a leaf under various wind speeds and leaf angles .
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采用非线性的Morison方程,建立了考虑流固耦合时的海洋平台非线性动力方程及其时程分析方法。
A nonlinear dynamic equation which takes into consideration fluid-structure interaction for offshore platforms was put forward by using of nonlinear Morison equation .
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根据传热学和流体力学的原理建立了树脂浇注干式变压器内部温度场及流体场的有限元模型,利用ANSYS软件的流固耦合功能对其进行了热分析。
According to principles of thermodynamics and hydrodynamics , the finite element models of inner temperature field and flow field of resin casting dry-type transformer are established . The fields are analyzed with the solid-flow coupling modules in ANSYS software .
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特别是渗透率小于10×10-3μm2的储层对应力的变化非常敏感,由此所产生的流固耦合现象也十分明显。
Especially the low-permeability reservoir with permeability of less than 1.0 × 10 - 3 μ m 2 is very sensitive to stress change , and the resulting solid-liquid coupling effect is also very evident .
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流固耦合迭代计算方法可以充分利用现有的大型软件ANSYS和FLUENT进行复杂结构的流固耦合问题的计算分析,具有工程实用性。
The fluid-solid coupling iterative computing method come forward in the paper may make best use of the present large-scale software , FLUENT and ANSYS , to calculate and analyze the complex fluid-solid coupled problems , which is practicable in the engineering .
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本文借助流体研究商用软件FLUENT,通过建立流固耦合换热的模型,研究混合气体(50%H2+50%N2)冲击射流的流动换热规律。
In this paper , the fluid flow and heat transfer of slit injection cooling with mixed gas ( 50 % H2 + 50 % N2 ) was studied , through the establishment of fluid-structure interaction model based on FLUENT .
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论文的主要工作和研究结论如下:1.应用ADINA软件建立了水润滑橡胶尾轴承单一板条的流固耦合模型。
The main work and research conclusions are as follows . 1 . ADINA software is applied to establish a single strip FSI model of water lubricated tail rubber bearing .
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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 .
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基于Mindlin板理论、压电理论、粘弹性理论和理想流体方程,对充液圆柱壳主动约束阻尼结构在流固耦合条件下的建模进行了研究。
Based on the theories of Mindlin plate , piezoelectricity and viscoelastic materials and fluid dynamics , the finite element modeling of a fluid-filled cylindrical with piezoelectric damping is presented in this paper .
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本文将最邻近点插值法(NN)、快速映射法(FPA)和径向基函数(RBF)插值算法等三种方法引入到叶轮的流固耦合分析中,分别根据其基本原理推导出耦合矩阵。
In this paper , there are three methods , nearest neighbor interpolation , fast projection algorithm and interpolation scheme using radial basis function , respectively used in fluid-structure interaction of impeller , in order to derive coupling matrix .
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在流固耦合数值模拟方面,由于其涉及到流体域(CFD)、结构域(CSD)以及两者之间的数据交换问题,所以求解起来难度特别大。
In the numerical simulation of FSI , it is particularly difficult to solve problems of FSI , because the fluid domain ( CFD ), the structural domain ( CSD ) and the exchange of data between them are involved .
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应用MATLAB工具,采用IMEX模拟器,在考虑流固耦合情况下对老19块馆陶组疏松砂岩油藏进行了数值模拟、历史拟合和剩余油分布研究;
Applying IMEX simulator and MATLAB 6.5 , under the consideration of fluid-solid coupling , researches of numerical simulation and remaining oil distribution were conducted in Guantao group Lao 19 faulted block unconsolidated sandstone reservoir .
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基于流固耦合的思想,将CFD中模拟计算得到的压力数据导入到有限元分析软件Ansysworkbench中进行瞬态动力学分析,得到滤袋不同位置处的径向加速度值随时间的变化关系。
The pressure data of CFD simulation were imported into the finite element analysis software Ansys Workbench for the transient kinetic analysis based on Fluid-Solid-Coupling . The paper simulated the movement of bag filter under the pulse-jet pressure , got the acceleration vary with the simulation time .
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分析了流固耦合问题的一般求解方法,使用通用有限元程序NASTRAN计算了考虑自由液面晃动圆柱壳的振动模态,并且和不考虑自由液面影响计算出来的模态频率进行比较。
The paper gives an analysis for the problem of fluid-structure . The vibration modes of vertical cylindrical shell with free surface of fluid are calculated with finite element software NASTRAN , and also compared with the modes without free surface of fluid .
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针对小间隙流体静压型指尖密封的结构特点,建立了基于三维时间平均基础上的N-S方程和线性范围内结构应力&应变关系的流固耦合数学模型,并给出了收敛准则。
In the light of structural characteristics of hydrostatic finger seal with small clearance , the mathematical model for FSI calculation , which composed of three dimensional and time averaged N-S equations and linear stress-strain equations , was set up , also the convergent rules were given .
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建立了盾构和土体的三维分析模型,并且充分考虑到土体的材料非线性,利用动态显示算法进行了基于国产曙光4000A高性能计算机的大规模流固耦合分析。
Both shield cutter pan and soil three-dimensional analytical model were constructed . Taking nonlinear behaviors soil into account , a large scale fluid-structure interaction problem employed explicit dynamic method was analyzed utilizing Dawning 4000A High-performance Computer .
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防水煤柱安全评价的流固耦合分析
Fluid-Solid Coupling Analysis of the Safety of the Waterproof Coal Pillar
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混流式水轮机叶片流固耦合动力特性研究
Dynamic Characteristic Study of Francis Hydro Turbine Blades in Fluid-Structure Interaction
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考虑束缚水作用的气藏流固耦合渗流模型建立
Establishment of Liquid-solid Coupling Model for Gas Reservoir Considering Irreducible Water
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流固耦合作用下深部煤层气井群开采数值模拟
Numerical simulation of deep coal-bed methane multi-well exploitation under fluid-solid coupling
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节流阀失效的流固耦合分析研究
Study on the fluid - solid coupling analysis of throttle valve
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二维弹性结构入水冲击过程中的流固耦合效应
Coupled analysis of nonlinear interaction between fluid and structure during impact
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高速船舱壁加筋板流固耦合振动分析
Fluid-structure interaction vibration analysis of bulkhead stiffened plate of high-speed ship