非定常力可以采用面元法或升力面方法计算得到。
Both panel method and lifting surface method can be used to calculate the unsteady force.
本文利用子面元法求解三相电阻中电流场的边值问题。
This article deals with the Problem reqarding the boundary-Value Solution of the current field in three-Phase water resistors by the Subarea method.
本文介绍用涡面元法模拟带扰流片的翼型低速无粘分离绕流。
A vortex panel method is presented to simulate low speed inviscid separated flow past an airfoil with a spoiler.
本文采用面元法和改进的数值库塔条件预报螺旋桨定常性能。
The surface panel method and an improved numerical Kutta condition have been applied to predict the hydrodynamic performance of a propeller in steady flow.
本文介绍了用子面元法计算三芯统包扇形电力电缆的工作电容。
The paper deals with the calculation of equivalent capacitance of three-core electric power cables with fan-type by subarea method.
采用基于开尔文源的面元法求解航行于均匀流场中的船舶兴波问题。
The wave problem is predicted by adopting panel method based on Kelvin source for a ship traveling in a uniform flow.
本文采用第二代低阶面元法给出了一种高升力外形下机翼的位流计算方法。
In this paper, based on the second generation low order panel method, a computational method of potential flow around wings under high-lift configuration is given.
本文建立了扰动速度势面元法预报螺旋桨表面非定常压力分布的理论和数值方法。
This paper sets the theoretical and numerical method predicting the unsteady pressure distribution on the propeller blade surface by using perturbation potential based on surface panel method.
用面元法对吊舱螺旋桨的水动力性能进行了计算,得到了吊舱推进器的敞水曲线和轴承力。
The hydrodynamic performance of podded propeller is calculated, including the open water characteristics and bearing force.
应用升力面理论涡格法和面元法,建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
螺旋桨采用升力面理论涡格法、吊舱采用面元法分析计算,二者的相互干扰通过叠代计算来处理。
The propeller blades are calculated by a vortex lattice method, while the pod including its strut by a boundary element method for non-lifting bodies.
用面元法不仅可以准确地预报螺旋桨的推力和扭矩,而且可以准确地预报螺旋桨表面的压力分布。
We can make a accurate prediction of the propeller's performance and the pressure distribution on the blade.
用面元法不仅可以准确地预报螺旋桨的推力和转矩,而且可以准确地预报螺旋桨表面的压力分布。
We can make a accurate prediction of the propeller's thrust, torque and the pressure distribution on the blade.
该文应用低阶速度势面元法建立了预报三维水翼水动力性能的数值方法,重点对翼梢和尾涡进行了研究。
A potential-based surface panel method is applied to predicting the performance for three-dimensional hydrofoils, with emphasis on the tip region.
基于面元法,通过在回转体和空泡表面分布源汇的方法,建立了求解轴对称回转体局部空泡流场的数学模型。
Based on panel method, the mathematic model of partial-cavity flow field for axisymmetric body is given by use of the sources of distributing on the bodies and cavity surfaces.
为了分析鳍对吊舱推进器水动力性能的影响,用基于速度势的低阶面元法预报附鳍吊舱推进器的定常水动力性能。
In order to analyze the influence of fins, a low-order panel method based on velocity potential was used to predict the steady hydrodynamic performance of a podded propeller with fins.
阐述了以面元法为基础的设计原理、公用几何模块设计和RCS优化设计方法,并介绍了相关的绘图及图形显示软件。
The basic principles of the faced method, the common geometric module and RCS optimization are described. The related contour drawing and display program are introduced.
本论文的研究为高阶面元法预报螺旋桨的水动力性能打下了一定的基础,对进一步提高面元法预报的精度具有一定的实用意义。
This research is useful in predicting of the hydrodynamic performance and in enhancing the prediction precision of the propeller by using High-Order Surface Panel Method.
在此基础上,本文首次采用弹-粘塑性边界元法并结合锚喷支护考虑了隧洞掘进面时空效应作用问题,从而拓展了边界单元法的工程应用。
Based on the above work a space-time effect on the excavation face of tunnel with the function of bolting support is considered, thus the engineering application of BEM is developed.
采用后向面判别法和深度缓冲器算法分析面元之间的遮挡关系,计算了整个高超声速飞行器的RCS。
To compute RCS of whole HCV, the shadowing relationship of facet analyzed by the method of backward surface identification and depth-buffer is considered.
通过线性回归和相似因子法比较人工神经网络和基于二元二项式的响应面法的预测能力。
The regression equations and similar factors were used to compare the predicability of the ANN and response surface method based on the binomial equations.
同样在有限元法中,计算机辅助几何设计中以及趋势面分析等问题中,都被提了出来。
These problems are proposed in the finite element method, in the auxiliary geometrical design of computors and in the analysis of tendency surface.
采用弹塑性有限元法分析了柴家坡隧道在施工过程中注浆加固对滑动面和围岩稳定性的影响。
This paper analyses grouting reinforcement's influence on slide plane and surrounding rock stability during the construction in Caijiapo tunnel, using the elastoplastic finite element method.
讨论了有限元法在高速侵彻模拟计算中出现的滑移面问题和单元大畸变问题,给出了相应的处理方法。
The problems of sliding surface and severely distorted element in hyperveiocity impact simulations are discussed, and the corresponding solving ways are proposed.
基于金属板材塑性变形的损伤本构关系,运用有限元数值法分析了金属薄板的面内成形过程。
The sheet metal forming processes under in-plane deformation were simulated by using finite element method based on a coupled elastoplasticity with damage constitutive laws.
本文用有限元法分析了柯氏力对桨叶旋转面固有振动频率的影响。
The influence of coriolis force on the natural frequencies of the rotor blades is analysed by the finite element method.
用光度法测算了醇与有机磷一元酸四面体钴配合物加合反应的平衡常数。
The equilibrium constants of addition reaction of alcohol to tetrahedral complex of cobalt with organophosphorus monobasic acids in octane are established by spectrophotometry.
本文采用有限元法对带半叶片的混流式转轮的S1流面进行了流场计算。
In this paper, the finite element method is used for the calculation of S1 streamline surface of Francis turbine runner with half vanes.
仿真结果显示:虚拟阵元法应用于面阵,在输入信噪比较低的情况下仍可以准确判断来波方向。
Computer simulations show that, even under low input signal-to-noise-ratio, the accurate estimation of DOA could be given when the virtual array method is applied to the planar array.
仿真结果显示:虚拟阵元法应用于面阵,在输入信噪比较低的情况下仍可以准确判断来波方向。
Computer simulations show that, even under low input signal-to-noise-ratio, the accurate estimation of DOA could be given when the virtual array method is applied to the planar array.
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