为提高计算效率，采用了多重网格法、当地时间步长和残差光顺等加速收敛措施。
Residual smoothing, local time stepping and a new multi-grid scheme were employed to improve calculative efficiency and accelerate the convergence.
数值实验表明这种代数多重网格法对求解二次拉格朗日有限元方程是健壮和有效的。
Numerical experiments show our AMG method is robust and efficient for solving the quadratic Lagrangian finite element system.
本文用V循环和W循环的多重网格法计算了同轴矩形tem传输线的特性阻抗。
The characteristic impedance of rectangular coaxial transmission lines supporting TEM modes is calculated by using multi-grid method with V-cycle and W-cycle.
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