spatial discretization中文什么意思

空间离散化

• spatial:    adj. 1.空间的；在空间中存在[ ...
• discretization:    离散化
• discretization error:    离散化误差; 离散误差

例句与用法

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1. Analysis of the accuracy of the spatial discretization schemes for surface integrals in finite volume method
   有限体积法中面积分离散格式的精度分析
2. The 3rd - order splitting algorithm based on the mixed stiffly stable scheme is employed in the temporal discretization of the n - s equations and the mixed fourier - spectral - spectral - element method in the spatial discretization
   Navier - stokes方程的时间离散采用基于混合刚性稳定格式的三阶分裂算法，空间离散采用fourier谱谱元法。
3. The accuracies of the different orders symplectic difference schemes are compared and the effect of the spatial discretization methods upon the accuracy is analyzed by simulating the propagation of a one - dimensional wave under the periodic boundary condition
   本文用一维波动方程的初边值问题初步比较了不同阶数辛格式的精度，并分析了空间离散格式对精度的影响。
4. 3 . high order weno scheme in spatial discretization and 3rd order tvd runge - kutta schemes in time stepping were used to time - dependent hamilton - jacobi type equation , in order to improve calculation precision . the resultes show the precision is improved obviously and no oscillation appear . 4
   求解等值面函数法的控制方程时，空间离散采用了高分辨率的weightedeno格式，时间离散采用3阶tvdrunge - kutta方法，解决了数值震荡的问题，提高了计算精度； 4
5. Compared with octree data structure , the omni - tree data structure could reduce the meshes " total numbers and get better mesh quality . this paper uses cell - centered finite volume spatial discretization and four - stage runge - kutta time - stepping scheme with some convergence acceleration techniques such as local time stepping and enthalpy damping
   在流场计算中，本文采用格心格式的有限体积法用二阶中心差分对欧拉方程作空间离散，用四步龙格库塔方法作显式时间推进。