查询词典 incompressible fluid

In the numericalstudy, three-dimensional elastodynamics equations and Morison equation are applied tosimulate the time histories of dynamic response of submarine pipelines suspended over flatbeds sucessfully. The three-dimensional interaction of pipeline and internal flow isnumerically simulated by applying the iterative computation to the fluid-structure interfacesand using the elastodynamic equation and the incompressible fluid N-S equation andcontinuity equation.

在数值研究方面，本文利用三维弹性动力学方程，结合莫里森方程，较好地模拟了规则波浪作用下近壁悬跨弹性海底管线动力响应过程，结合不可压缩流体N-S方程和连续方程，进行管线及其内部流体的三维流固耦合数值计算，基于数值计算结果探讨内流管线系统的动力特性和管内流体特征。

FEM equation of fluid-solid coupled vibration was consisted by analyzing FEM equation of incompressible viscosity fluid and elastomer.

通过对弹性体振动的有限元方程和不可压缩粘性流体的有限元方程的分析，建立了弹性体与粘性流体流固耦合的有限元方程。

A boundary integral method is adopted to simulate the bubble motion in the fluid field on the assumption that the fluid field is inviscid, irrotational and incompressible. A corresponding three-dimensional computation program is exploited and the calculated results agree well with the experimental data.

将气泡运动阶段周围的流场假设为无黏、无旋、不可压缩的理想流体，运用边界积分法模拟流场中气泡的运动，并开发了三维计算程序，计算值与实验值吻合较好。

Using the Mindlin theory, the four-node finite element shell modal of healthy and damaged structure is formed; Using Green Function theory, the fluid around the structure is considered to be inviscid, irrotational and incompressible, and then the effect of fluid to structure is translated to the added mass matrix compared with global mass matrix using BEM.

基于Mindlin理论，本文建立了描述健康和损伤的四结点有限元板壳单元模型；基于Green函数理论，将结构所处的流体环境考虑为无粘、无旋、不可压缩的理想流体，推导了三维问题拉普拉斯方程的基本解，并利用边界元方法将流体对结构的影响归结为对结构整体质量矩阵的影响；针对各向同性损伤单元，采取刚度各向整体弱化的方法分析；对于各向异性损伤单元，采用Kachanov理论，引入了x和y两个方向的弹性损伤折减系数。

In classic theory,it is held that, in Sobolev Space ［H1］3, there is the upper bound of the norm of the constant rotating flow of the incompressible viscous fluid between two closed surfaces. It is inversely proportional to the viscosity of the fluid, and it will go to infinity when the viscosity goes to zero.

经典理论认为，不可压缩粘性流体定常旋转流在Sobolev空间［H1］3中的范数的上界与流体粘度成反比，随着流体粘度的减小，这一上界会无限地增大。

Based on the hypotheses that the tissue fluid and the cell in lacuna are incompressible,and the tissue fluid could flow between the lacunar through the canalicular,the pressure on the cell was obtained.

基于骨陷窝中组织液和细胞具有的不可压缩性，以及组织液通过骨小管在骨陷窝之间的流动，得到了细胞所受压力的新的表达式。

The invasion of drilling fluid is the main cause to the damage of fractured formation. The composite salt free-gel drilling fluid is got after analyzing the influence of different kinds of such soluble adulterant as organic salt and non organic salt on the performance of the solid-free drilling fluid and studying the condition to develop the free gel structure and the method to improve the fluid's high temperature stability and inhibitive property. The experiment shows that the apparent viscosity of this system is as high as 27000 mPas when the share rate is 0.3 r/min and the high temperature reaches at the stable level of 150℃ and the HTHP filtrate loss decreases to 15 ml at 150℃.

钻井液侵入是裂缝性储层损害的主要因素之一，实验分析了无机盐、有机盐等不同类型水溶性加重剂对无固相钻井液性能的影响，研究了无固相钻井液快速弱凝胶特性形成条件以及高温稳定性和抑制能力的提高方法，研制出的无固相复合盐弱凝胶功能性钻井液高温稳定性达到150℃，具有独特的流变性（0.3r/min黏度达到27000 mPas）和优良的抑制能力（150℃HTHP滤失量小于15 mL），成本远低于甲酸盐钻井完井液。

No coexisting liquid-and gas-rich fluid inclusions were found during quartz petrogaghy microscope observation, the lack of acid hydrothermal alteration mineral assemblages (e. g., alunite, kaolinite, barite, and anhydrite, etc), the measured bulk gas component data of pyrite-and quartz-bearing fluid inclusions distributed cluster on the volatile-temperature diagram, the similarities of the aqueous geochemical compositions among individual low-salinity fluid inclusion decrepited pits detected by SAM/AES and the sulfur isotope profile of a sirngle pyrite stain smoothly changed implied that the ore-forming fluid phase seperation didn′t, contribute significantly to Duolanashayi gold deposit

石英显微观察未发现有共存的富气相和富液相流体包裹体、金矿床明显缺乏原生酸性蚀变组合(如明矾石、重晶石及硬石膏等)、黄铁矿及石英所含流体包裹体实测结果在气相组成-温度相关图上分布较为集中，黄铁矿所含单个低盐度流体包嘉体液相组成俄歇电子能谱分析结果差别不大以及单颗粒黄铁矿硫同位素离子探针线扫描结果变化不明显等宏观与微观地质特征均说明流体相分离对形成多拉纳萨依金矿床的贡献不大

Data of body of fluid wrap up reveals those who give this bed to be a model is medium antimonial bed of low tepid fluid, its are into mine fluid in microtherm, low salinity, medium density heats up fluid.

流体包裹体资料揭示出该矿床为典型的中低温热液锑矿床，其成矿流体为中低温、低盐度、中等密度热液。

Fluid strength torque converter although can stepless change the torque in certain scope compared to, but because it exists changes turns between ability and the efficiency contradiction, at present the application fluid strength torque converter generally changes turns the coefficient insufficiently to be all big, satisfies the automobilism request with difficulty, therefore on the high-quality passenger vehicle, widely uses is fluid strength torque converter and the gear type transmission gearbox union composition fluid strength mechanical type variator.

液力变扭器虽然能在一定范围内无级地改变扭矩比，但由于它存在着变扭能力与效率之间的矛盾，目前应用的液力变扭器一般变扭系数都不够大，难以满足汽车使用要求，故在高级轿车上，广泛采用的是液力变扭器与齿轮式变速器联合组成液力机械式无级变速器。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。