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- The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded. 摘要阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
- The properties of fire smoke flow in fire tunnel was simulated and computed by using fire flow control equations. 摘要利用矿岩自燃发火巷道烟气流动所遵循的控制方程,对烟气流动特性进行数值了模拟。
- The FDM is applied to the numeric discreteness of control equations under the new coordinates and the corresponding programs are developed. 采用有限差分法对新坐标系中的模型控制方程进行了数值离散,根据差分格式编制了相应的计算程序。
- By applying a mathematical transform to the coupling control equations about the phonon field and phason field, two standard wave equations and four speeds of wave are founded. 考虑一维准晶体制备的杆的纵向波动问题,对声子场和相位子场相耦合的控制方程进行数学变换,得出2个标准的波动方程和4种波速。
- The semi-closed bomb control equations using study dynamic extrusion stress of propellant charge bed were established, and some experimental and numerical simulations were tested. 建立了用于发射药床动态挤压破碎应力研究的半密闭爆发器控制方程组,进行了半密闭爆发器数值与物理仿真。
- The Euler equations of incompressible and inviscid fluid are used for control equations of the stern flow field, and the propeller is computed by lift line theory. 选取了不可压缩无粘流体的欧拉运动微分方程作为尾流场的控制方程,螺旋桨则用升力线理论计算。
- A set of united coupled elasto-plastic stress and fluid flow control equations are established with generalization of jointed rock masses as equivalent continuum media. 把裂隙岩体概化为等效连续介质,基于表征单元体的概念建立了统一的渗流-弹塑性应力全耦合控制方程。
- Some basic concepts and the essential control equations of non incremental algorithm based on the optimal control variational principle in mechanics are presented in this paper. 在非增量算法的基础上,提出了用最优控制变分原理来形成非增量迭代求解的基本思路,并给出了求解的基本控制方程。
- A sectional numerical model was used to solve the control equations for the particle mass and charge distributions to study the coagulation of fly ash particles with the R-R mass distribution with the charges having a Boltzmann distribution. 该文采用分段数值模拟的方法,将控制方程在计算域内按照质量和荷电量离散,研究外电场作用下初始粒径分布符合R-R分布,同一粒径的颗粒荷电量符合Bo ltz-m ann平衡电荷分布的荷电颗粒的凝聚。
- The shortcomings arising from using the AR model are discussed and the optimal control equations have been derived. It is suggested that the ARV model be used instead of AR from the point of view of minimum variance control. 从最小方差控制的角度;指出了AR模型的局限性而应代之以ARV模型.
- In this paper, the active vibration control system of a 3 Dimensional supporter is realized based on smart structures. The finite element control equations are derived from Hamilton principle and Euler equation. The experimental results are provided. 通过机敏结构建立了三维支撑结构的振动主动控制系统,利用Hamilton原理和变分法中的Euler公式导出了压电机敏结构的离散控制方程,采用加速度反馈实现了支架的振动主动控制
- The control equation of stress wave propagation in timbers is given in cylindrical polar coordinates,and the governing equations of the three comp... 用云杉作为一个实例;分析了其弹性常数;讨论了在对称和非对称情况下应力波的传播情况.
- The controlling equation of the model is derived and symmetrized. 推导出该模型的不对称耦合有限元微分方程。
- Based on entropy increase function, we has derived the phase field controlling equations which are thermodynamical consistent. 该模型以熵增加函数为基础,通过熵增加函数推导出热力学一致性的相场控制方程。
- The entropy increase function,we has derived the phase field controlling equations which are thermodynamical consistent. 该模型以熵增加函数为基础,通过熵增加函数推导出热力学一致性的相场控制方程。
- First, the control equation of DC side APF is deduced and some features of DC side APF are simulated. 首先,推导了DC侧APF的单周控制方程,进行了仿真分析,并对其补偿性能与负载大小之间的关系进行了仿真研究。
- By virtue of RNG turbulent model, the control equation group of airflow flowing inside the diffuser was firstly built. 摘要借助重整化群双参数湍流模型,建立扩散器内风流流动的控制方程组。
- Secondly, I use Galerkin method to predigest the control equation and gain a predigested dynamic mechanics system. 然后采用Galerkin方法对控制方程进行简化,得到了一个简化的动力学系统;
- Based on the two-dimension adlittoral non-invariablenes flow control equation of lakes,a hydrodynamic model of lakes was built up. 从二维浅水非恒定流的控制方程出发,建立了一个二维湖泊流体动力学模型。
- Introduce the mathematics model of asynchronous motor and the principle of Field oriented control (FOC) and get its vector control equation. 异步电动机的数学模型、基本方程和矢量异步电机的矢量控制原理。