高速水流中的水流脉动对水工建筑物的安全运行存在很大的影响，水流脉动压强的特征值一般需通过水工模型试验确定。
The pulsate pressure in high speed flow water will influence the safety of water construction, and the eigenvalue of the pulsate pressure should be confirmed by hydraulic model testing.
采用爆炸波原理建立了喷流区和喷流干扰区的气动压力计算模型。
The aerodynamic pressure expression at jet location and in the area of jet interaction is established by blast wave principium.
对非溶解气驱油田提出了一个计算自喷井井底流动压力的统计数学模型。
A mathematical model for calculation of bottom-hole flowing pressure of flowing Wells for oil field with non-solution gas drive is proposed.
水流脉动压力及其模型律问题，近来得到广泛的注意。
Hydrodynamical pressure in swiftly flowing water and the problem of its model laws are very interested recently.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
首先给出了现有舵机的简化模型，深入分析了原有动压反馈回路对系统的作用影响。
At first this paper introduces the simplified rudder servo-system model and analyzes the influence of the dynamic pressure feedback on servo system.
为了得到通用的优化模型，对动压轴承型线数学表达式的本质特点进行了研究。
In order to obtain a general optimization model, study on substantial characteristics of the mathematical expression of hydrodynamic bearings profiles was brought forward.
分析了振动压实过程中被压实材料的不对称迟滞特性，建立了一种分段线性的不对称迟滞模型。
Based on analysis of the asymmetrical hysteretic nonlinearity of materials, a piecewise linear asymmetrical hysteretic model was built.
采用有限差分法和混合有限分析法对耦合模型进行数值求解，并分析了启动压力梯度对地下水污染浓度的影响。
The finite difference method is used to solve the coupling model, and the influence of starting pressure gradient on the distribution of groundwater pollutant concentrations is analyzed.
通过线性理论计算与模型试验结果的比较，指出了线性切片理论在预报水动压力场时的不足。
The drawbacks of linear strip theory in predicting hydrodynamic pressures are pointed out with the comparisons of predicted and model test results.
利用微观尺度管流模型，结合普通稠油流变特征，提出了在考虑稠油流变性条件下微观启动压力梯度计算方法。
The calculation method of microcosmic starting pressure gradient is put forward based on the model of pipe flowing and rheological behaviour of conventional heavy oil.
作者应用时域显式有限元模型分析了可压缩库水条件下淤积泥砂对垂直地运动作用时刚性坝面上动压力的影响。
The effects of sediment on the hydrodynamic pressures acting on rigid dams during vertical ground motion were studied By use of an explicit finite element scheme in this paper.
其次，在获得大量试验数据的基础上，运用曲线拟合和优化技术，建立制动压力-力矩关系的线性模型、迟滞模型和可变线性模型。
Then, using curve fitting and optimization method, the linear model, hysteresis model and variable linear model of pressure-torque relations are developed based on test data.
自动驾驶仪的增益设计成滚动速率和动压的函数，用最小二乘法曲线拟合，为每个增益选择数学模型。
The autopilot gains are scheduled as functions of the dynamic pressure and the roll rate, the model is selected for each gain by a least squares curve fitting.
建立了含水原油拟乳状液停输再启动压力的数学模型，并通过室内实验进行了验证。
The mathematical model of the water cut oil draft emulsion restart after shutdown is established and validated using indoor experiment data.
分析了非对称气动伺服阀控单作用气缸的气动压力控制系统的数学模型。
The mathematical model of a pneumatic force control system with an asymmetric servovalve and a single-acting cylinder were described.
建立了振动压路机跳帧的动力学模型，研究了跳振时振动压路机的非线性动力学特性，选取次谐波共振为跳振的主要特征。
The dynamical model of jump vibration is built, the nonlinear dynamical characteristic of jump vibration is studied and find the sub-harmonics vibration is main characteristic.
在风洞中对水下航行体模型尾部壁面脉动压力与近壁湍动速度进行同步测试及处理分析。
The wall pressure fluctuations and near-wall turbulent flow were jointly measured at the stem of an underwater vehicle model in CSSRC Wind Tunnel.
提出了一种吸声新技术——半被动压电吸声技术，并对其进行了等效电路模型分析。
A novel sound absorption technology, semi-passive piezoelectric sound absorption, is presented and its performance is analyzed used electrical equivalent model in this paper.
根据周向收敛型动压式指尖密封的工作性能要求，提出密封性能优化数学模型。
According to the working performance requirements of a circumferential convergent hydrodynamic finger seal, a performance optimization model is constructed.
对于宾汉型塑性流体模型，得到了计算驱动压力的显式计算公式，据此可进行污泥泵型选择。
For Bingham type plastic fluid modal, the explicit formula for calculating the pumping pressure is obtained, which can be used to choose the pump type.
考虑被压实物料的不对称滞回特性，建立了振动压路机振动轮-车架系统的二质量运动模型。
A two-mass model of the vibration compacting roller and its frame is established with consideration of materials asymmetrical hysteresis.
本文考虑动压效应，建立了针对该支承的数学模型，并就动压效应对支承性能的影响编制程序进行了数值计算。
In this paper, we built up the math model of this bearing by thinking of the dynamic effect and programmed to calculate the influence of the dynamic pressure effect to the hearing's performance.
同时，研究还发现相间传热模型对流动压降的预测并无明显影响。
At the same time, it is found that the pressure drop prediction for a boiling flow is almost independent of the interfacial heat transfer models.
之后分析了振动压实原理和振动压路机的工作原理，探讨了“压路机—土”的二自由度数学模型。
After this, it analyses the vibration compaction principle and the working principle of vibratory roller, probes into the "roller-soil" two-freedom mathematical model.
针对低渗透地层垂直裂缝井的渗流过程，考虑了启动压力梯度和介质变形系数的影响，建立了三线流模型。
In view of seepage process in vertical fracture well in low permeability reservoir, considering kickoff pressure gradient and media deformation coefficient, bilinear flow model is established.
首先，在引入启动压力梯度来描述非达西渗流运动规律的基础之上建立渗流模型。
In view of this, this paper importantly studied the rule of flow in homogeneous low-permeability reservoir related start-up pressure.
在上述研究工作的基础上，采用理论计算与模型试验相结合的方式，研究了船体表面水动压力的非线性特性。
The characteristic of this method focuses on the matching between the instantaneous pressure distribution and the ship motion in a dynamic sense.
在上述研究工作的基础上，采用理论计算与模型试验相结合的方式，研究了船体表面水动压力的非线性特性。
The characteristic of this method focuses on the matching between the instantaneous pressure distribution and the ship motion in a dynamic sense.
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