| 1. | Central difference interpolation 中心差分插值法 |
| 2. | Method of central differences 中心差分法 |
| 3. | Central difference notation 中心差分记法 |
| 4. | Central difference method 中心差分法 |
| 5. | Numerical examples show that the results are highly accurate in comparison with newmark > wilson - # - . houbolt and central difference method 算例表明解析逐步积分法和积分型直接积分法比中心差分法、 newmark 、 wilson - 、 houbolt法等有较高的精度。 |
| 6. | The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver 流场求解时采用中心差分的有限体积方法对空间通量项进行离散,采用显式推进方法进行时间方向的积分。 |
| 7. | The random response of the non - linear system with parameter at random under the determinate load are studied by using the perturbation law and central differential dividing law 摘要应用摄动法和随机中心差分法,研究了具有随机参数的非线性系统在确定性荷载下的随机响应,得到了均方响应的一种近似迭代关系。 |
| 8. | Sets up three - dimensional movement modal of towed - cable , the vector dynamic equilibrium equation is expanded under local coordinate , and numerically discreted by central difference on time and space through transforming eular angle 摘要建立拖缆的三维运动模型,通过欧拉角的变换把拖曳线列阵微元段矢量动力平衡方程在局部坐标系下展开,在时间和空间上作中心差分数值离散。 |
| 9. | Compared with traditional numerical methods such as houbolt method , wilson - 0 method , and newmark - p method , a dissertation submitted to xi ' an university of technology for degree of doctor philosophy the presented numerical method has higher calculation precision and efficiency 和传统的非线性振动方程数值计算方法如euler法、中心差分法、 houbolt法、 wilson -法和newmark -法等相比,本文方法具有更高的计算精度和效率。 |
| 10. | Three - dimensional flow over flat wall is simulated by virtue of large eddy simulation . the subgrid model is germano dynamical model and the numerical difference scheme is center difference scheme of two - order precision . the outcomes can be validated by its experimental counterpart 亚格子模型采用germano动力模型模拟,数值差分格式采用具有二阶精度的中心差分格式对平壁流动进行三维大涡模拟,模拟结果通过与实验结果的比较得到验证。 |