网格变形的物理模型采用改进的弹簧近似模型,改进措施包括边界修正和扭转效应修正。
The model used to control mesh deforming is improved spring analogy with boundary improvement and torsional effect improvement.
流体力学控制方程的数值求解过程中,当网格加密、粘性效应强或来流马赫数低的时候,流场收敛非常缓慢。
When the number of grid is very great or viscous effects dominates or sometimes the speed of flow is low, the rate of convergence slows down dramatically, resulting in inefficient solution technique.
这说明网格湍流能够同时产生使剪切层中预混火焰强化和稳定两方面的效应。
This means that grid turbulence can at the same time have the two effects of enhancing and stabilizing the premixed flames in the shear of jets.
针对偏瘫病患者身体接触面间的压力分布检测,提出并研发了一种基于压阻效应的新型非硅薄膜网格压力传感器。
A new type of non-silicon thin film grid pressure sensor was brought forward and devised to detect and measure the pressure distribution between the bodies s touching surfaces of hemiplegics patient.
采用粒子网格单元与蒙特卡洛碰撞相结合的方法,建立霍尔效应推力器羽流的二维轴对称模型。
A two-dimensional axisymmetric hybrid particle-in-cell and Monte Carlo Collision model is developed to study the Hall effect thruster plume.
高阶差分加上合适的边界条件能较好地解决网格频散和边界效应问题。
When a suitable boundary condition is given, this method can solve the problems of the numerical dispersion and boundary effectiveness.
采用了基于特征窗口匹配的网格节点运动估计方法,有效地避免了块匹配法产生的块效应。
A mesh node motion estimation method based on feature window matching was presented to overcome block artifacts produced by block matching.
讨论了网格尺寸效应存在的原因。
Then discussed the potential reasons of the effect of finite element size.
对X射线辐照圆柱壳体的平面应变热-力学效应进行数值模拟,需解决不规则四边形网格中的能量沉积计算问题。
To simulate the plane strain thermo-mechanical effect of cylindrical shell radiated by X-ray, the problem about energy deposition calculation in irregular quadrilateral grids must be solved.
电源网格上存在着三种主要的物理效应,其中压降效应和地弹反射效应影响信号的完整性,电子迁移效应影响芯片设计的可靠性。
There are three physical effects on the power grid. Among them, IR-Drop effect and ground bounce effect impact the signal integrity while electro-migration impacts the reliability of VLSI design.
为了探讨网格在计算中的作用,计算了切向燃烧锅炉模拟中采用直角网格布置导致的伪扩散效应在炉膛的分布。
Different meshes employed to simulate fluid flow in TFB (tangential fired boiler) were discussed and mesh methods to decrease crossflow diffusion were investigated.
为模拟排水效应并解决排水孔附近水头梯度大、有限元网格划分细而显著增加计算量的问题,提出了汇线单元法。
The line sink drainage element method was proposed to solve the problem that small FEM grid was needed near drainage holes due to the high hydraulic gradient at the cost of time consuming.
重力坝算例说明,2阶等效应力具有一定的网格稳定性,适合在重力坝工程中比较局部角缘应力。
The case study of a gravity dam shows that the 2-order equivalent stress is somewhat mesh independent, and suitable to be used to evaluate the corner stress of gravity DAMS.
在非结构网格上对考虑化学非平衡效应的二维高超声速磁流体绕钝头体流动进行了数值模拟。
Two dimensional (2d) hypersonic magnetohydrodynamics (MHD) flows around a blunt body with chemical non-equilibrium effects are numerically simulated on unstructured meshes.
在非结构网格上对考虑化学非平衡效应的二维高超声速磁流体绕钝头体流动进行了数值模拟。
Two dimensional (2d) hypersonic magnetohydrodynamics (MHD) flows around a blunt body with chemical non-equilibrium effects are numerically simulated on unstructured meshes.
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