An implicit scheme is much more efficient . 隱式格式是一種很有效的格式。
A mixed semi - implicit scheme based on incremental unknowns 基于增量未知元的混合半隱格式
Alternating direction implicit scheme , adi scheme 交替方向隱格式
The parallel alternating difference implicit scheme for the dispersive equation 色散方程的一類新的并行交替分段隱格式
Semi - implicit scheme 半隱格式
Multigrid method based on the high accuracy full implicit scheme of the convection diffusion equation 二維對流擴散方程的高精度全隱式多重網格方法
On stability and error estimaes for a class of weighted semi - implicit schemes of the incremental unknowns methods 一類加權半隱格式增量未知元方法的穩定性和誤差估計
Firstly , a 1 - d flow numerical model based on the preissmann scheme , a 1 - d rivernet flow numerical model based on the direct solution method and a 2 - d tidal model based on the implicit scheme of finite difference method are programmed 本文首先建立了基于preissmann算法的一維水流模型、基于直接解法的平原河網模型和基于有限節點法的平面二維水力模型,在對各模型的算法進行推導的基礎上自行開發了計算程序。
Using the approximation form of lumped mass matrix instead of the mass matrix in finite element discretization in space , backward differencing scheme in time , an implicit computational scheme is yielded , it proved the convergence estimate for this implicit scheme 對有限元離散中引起較大誤差的質量矩陣,采用了近似形式的集總質量矩陣來代替,時間項采用向后差分,得到了一個隱式的計算格式,證明了計算格式的收斂性及其收斂速度估計。
In order to advance the sst turbulence equations at the same rate as the flow equations , a point - implicit scheme is used . the convection term in turbulence equations is discretized using first - order upwinding scheme to ensure more stability in time integration and the positivity of the turbulent variables Sst湍流方程求解時,使用點隱式格式進行時間推進從而解除了由于源項存在所引起的時間步長的限制,保證湍流方程和流動方程同步推進時的穩定性。