1) unsteady potential flow theory
非定常势流理论
1.
The unsteady potential flow theory is used to analyses the flow field and hydro-dynamic calculation.
将非定常势流理论用于应急上浮运动流场分析与水动力计算。
2) set theory
定势理论
3) potential flow theory
势流理论
1.
The Application of Scaled Boundary Finite Element Method in Potential Flow Theory
比例边界有限元法在势流理论中的应用
2.
In order to develop the predictable and quantitative research technology, the potential flow theory was used to simulate the bottom?hole crossflow field.
为了发展有预见性的定量化井底流场研究技术 ,应用势流理论对井底漫流场进行了数值模拟。
3.
Based on the unsteady potential flow theory of incompressible liquid,a model of water-entry impact force for air-launched mine was presented,and the water-entry impact force was calculated.
基于不可压缩流体的非定常势流理论建立了空投水雷入水冲击力计算的数学模型,对水雷的入水冲击力进行了计算。
4) potential-flow theory
势流理论
1.
On the basis of potential-flow theory, the vortex ring is introduced to simulate the annular bubble, and the boundary element method is applied to simulate the motion of bubble.
假设水下爆炸气泡阶段的流场为无粘、无旋、不可压缩的理想流体,基于势流理论,引入涡环模拟气泡的环状气泡阶段,运用边界元法模拟流场中气泡的运动,开发三维气泡动态特性模拟程序,将计算值与实验数据进行对比分析,结果表明,计算值与实验数据吻合较好。
2.
Based on potential-flow theory,the model of three-dimensional bubble is created,and Laplace equation is solved by boundary integral method,obtaining the deformation and location of bubble.
基于势流理论建立水下爆炸气泡运动三维模型,采用边界积分法求解拉普拉斯方程,得到气泡的变形及位置,并在计算过程中引入弹性网格技术,避免了因网格扭曲而导致的数值发散,进而模拟了刚性壁面附近三维气泡的动态特性。
3.
The methods for calculating behaviour of two ships in replenishment of highine system in waves based on the 3-D potential-flow theory are introduced.
采用三维势流理论计算高架索航行补给中两船在波浪中的运动响应,将船体周围流场速度势分解为波浪入射势、自身绕射势、相邻船体的存在产生的绕射势、自身辐射势和相邻船体运动产生的辐射势,通过源汇分布法进行求解;对高架索索道上的恒定张力在耦合方程中表示为高架索瞬时张力系数矩阵;求解两船体在规则波中的联立运动方程可得两船的运动响应。
5) potential theory
势流理论
1.
The potential theory is applied to deduce the governing equation of bubble boundary motion.
假定水下爆炸气泡脉动阶段的流场是无旋、不可压缩的,运用势流理论导出气泡边界面运动的控制方程,采用高阶曲面三角形单元离散三维气泡表面,用边界积分法求解气泡的运动。
2.
Firstly, the added-mass, damping coefficients and motion responsesthe three-dimensional potential theory .
本文首先利用三维势流理论计算了自由浮标体的附加质量、阻尼系数以及运动响应,然后通过卡明斯六自由度运动方程,对极限海况下两个水深的三锚系统的浮标运动及锚链受力进行了数值模拟估算,可以为浮标及锚链设计提供参考。
3.
Based on the analysis of the computational methods of three-dimensional motion response of multi-body,a new model is set up and the three-dimensional potential theory in finite water depth as well as spectrometric analysis method is adopted to calculate the response of the target with different ocean wave directions.
文章在深入分析国内外海洋多浮体三维运动响应计算方法的基础上,对近海移动式卸载系统进行了建模,并采用多浮体有限水深三维势流理论和谱分析方法对其在海浪作用下的运动性能进行了研究,重点分析了工作海况下浪向的改变对卸载系统浮箱单元三维运动响应的影响,并将数值计算结果与实验结果进行了对比分析。
6) unsteady flow
非定常流
1.
Pressure gradient of unsteady flow of fluid in eccentric annulus with the inner cylinder reciprocating axially;
流体在内管做轴向往复运动偏心环空中非定常流的压力梯度
2.
Flow rate distribution of the unsteady flow of power law fluid in eccentric annuli with the inner cylinder reciprocating axially;
幂律流体在内管做轴向往复运动的偏心环空中非定常流的流量分布
3.
Numerical simulation of unsteady flow around propeller and rudder with additional thrust fin;
非定常流中桨后舵附推力鳍的数值模拟
补充资料：常势
1.固定的形势。 2.常有的情势。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条