空间导数 meaning in English
space derivative
Examples
- Theconvergence towards the weak solution is proved for one - dimensional space with initial and boundaryconditions by using some subtle techniques such as the estimate of spatial derivative , perturbationtheory and weak compactness
通过使用对空间导数的估计、弱紧性和奇异摄动理论证明了有限元方法的收敛性。 - The fourth - order compact difference schemes with high resolution are applied to discretize the space derivatives , and a low - storage fourth - order explicit runge - kutta scheme is used in time marching
文中采用具有高分辨率的4阶精度的紧致差分格式离散空间导数，同时，时间步进采用低存储量要求的4阶显式runge - kutta格式。 - The momentum equations are integrated in time using the four - stage explicit jameson runge - kutta algorithm and discretized in space using fourth order accurate compact scheme as well as the pressure poisson equation
动量方程的时间导数采用四步jamesonrunge - kutta法，空间导数和压力poisson方程均采用四阶高精度紧致格式。 - Only clouds of points instead of grids are distributed over the computational domain and the spatial derivatives of the considered partial equations are estimated using a least - square curve fit on local clouds of points
与传统的网格方法不同，无网格方法的核心是用“点云”离散求解区域，并基于当地点云离散结构，引入二次极小曲面逼近空间导数。 - Numerical fluxes considered in the explicit portion of the algorithm were evaluated by an implicit high - order compact scheme to augment stability . meanwhile , an implicit high - order compact numerical filter was used
显式一边的空间导数采用具有较高精度和良好数值稳定性的隐式高阶紧致差分格式，同时采用适于低马赫数流动计算的隐式高阶数值过滤方法。