| 1. | Influence of fe on laser performance in nd3 phosphate glasses
激光靶耦合问题的二阶精度重映算法研究 |
| 2. | ( 1 ) in time , an implicit time - marching second order accurate scheme is derived
( 1 )推导了具有二阶精度的隐式时间推进格式。 |
| 3. | Second order estimates are proven in time under realistic assumptions about the regularity of the solution
在对方程的解的正则性进行适宜假设的条件下证明了时间二阶精度的误差估计。 |
| 4. | Presentsthe alternating group explicit method for solving the convection equation , which isunconditionally stable . numerical results of the model problem show its applicability andusefulness
提出了求解对流方程初边值问题绝对稳定的二阶精度交替分组显示方法.模型问题的数值结果表明，本方法忧于陈景良和陆金甫的分组显示方法 |
| 5. | With zonal patched grid technology and second - order zonal solver method , the numerical simulation on inlet complex flow field of solid rocket ramjet assisted range projectiles with different struts shapes was made at different mach numbers
摘要结合分区对接网格技术和二阶精度区域分解算法，对某冲压增程弹丸进气道在不同来流攻角和不同侧向支柱形状工况下的内外复杂流场进行了数值模拟。 |
| 6. | On the basis of some conclusion , we have proved that the schemes have second - order convergence accuracy for the time discretization , a two - level method for resolving the nonlinearity in finite element approximation of the stationary conduction - convection problems is presented
在某些已有结论的基础之上，我们证明了这种格式对于时间离散上的二阶精度。提出了一种解决定常的热传导-对流问题的有限元近似中出现的非线性问题的两层方法。 |
| 7. | 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。 |
| 8. | This paper brings forward a stable inverted deduce method which point by point in fix layer , for a class of dimension elastic wave problem , and proves that the result of parameter has whole precision for this method , numercal test shows this method is effective and feasible . 1fig . , 1tab . , 7refs
针对一类一维弹性波反演问题，导出了一种稳定的定层逐点反演方法，推证了该方法的参数解具有整体二阶精度，数值试验表明，该方法是有效而可行的.图1 ，表1 ，参7 |
| 9. | Non - oscillatory and non - free - parameters dissipative ( nnd ) finite difference scheme ( a total variation diminishing scheme ) with second order accuracy was adopted to solve the fluid dynamic equations , a finite rate chemical reaction model was developed to calculate ingredient producing rate , and an adi over relaxation iteration technique was used to solve the electromagnetic discretized equations
采用二阶精度nnd格式求解流体力学方程组，采用有限速率化学反应模型计算组分生成率，采用交替方向隐式( adi )超松弛迭代法求解电磁场离散方程。 |
| 10. | The flux across each cell face is calculated using a flux - vector splitting technique . higher - order scheme is obtained by expanding the cell - centered solution to each cell face using a linear reconstruction formula based on geometrical invariant features of triangles and tetrahedra , which reduces computer memory requirements
采用了基于网格单元几何特性的线性重建( reconstruction )公式并引入通量矢量分裂( flux - vectorsplitting )技术，计算得到控制体边界上二阶精度的通量值。 |
