The effect of excavation was simulated by load discharging method in calculation. The equilibrium was solved by initial stiffness iteration method according to the Mohr-Coulomb yield law and related flow rule. 计算中用释放荷载法模拟开挖效应,采用Mohr-Coulomb屈服准则及关联流动法则,采用初始刚度迭代法求解平衡方程,对超过屈服点的应力进行调整。
The influential factors of calculation error for groundwater table are discussed by using the iteration method to find solution of numerical model in the mine drainage forecast of deep drawdown. 本文讨论了大降深矿井排水预测中,利用迭代法求解数值模型时,地下水位计算误差的影响因素。
On the base, depending on the characteristic of the NGL recovery process by the expander refrigeration, the paper takes a simulation calculation for the technics process by adopting the Sequential Modular Approach and the directness iteration, and offers the design calculation example and the calculation result. 在此基础上,根据膨胀机制冷的天然气凝液回收流程特点,采用序贯模块方法,用直接迭代法对工艺流程进行了模拟计算,并给出设计实例和计算结果。
According to generating finite element model by meshing for special-shaped section columns, the calculation of column reinforcement is solved by coordinate transformation and digital iteration methods. 该软件的配筋计算是通过对异形柱截面划分有限个单元网格,然后进行坐标变换和迭代运算实现的。
The calculation of TTC is solved by repeatitive linear iteration based on sensitivity computation. It is implemented by DLL programming with PSASP/ UPI. 采用基于灵敏度计算的反复线性迭代法,编写DLL格式的用户程序与PSASP接口,实现了TTC的寻优计算。
But in case the field stress is high enough to drive the conductivity deeply into non-linear region, the iterative calculation, either by Simple Iteration or by Newton-Raphson Method, may easily be trapped in oscillation and divergence. 但当场强较高和非线性较强时,无论简单迭代法或牛顿&拉夫生法都极易振荡和发散。
Calculation of the Radioactive Transfer Coefficient by Iteration Method in Heat Analysis 热分析中辐射传递系数的迭代计算