查询词典 simulation

Several special finite element techniques, such as the chip separation criteria, friction model, heat conduction and adiabatic shear during cutting process have been implemented to improve the accuracy and efficiency of the finite element simulation.

利用该有限元模型分析了钛合金铣削加工中切削力和切削温度的周期变化规律，建立了切削力和切削温度曲线。

The mechanical behaviour of intersection of horizontal adit and main tunnel in Wanxian to Liangping expressway in Southwest China is studied by using 3D finite element numerical simulation method and in-situ test.

针对高速公路主隧道与车行横通道组成空间交叉结构，采用现场实测以及三维有限元数值模拟研究手段，进行了结构施工力学研究。

Through 3D FEM numerical simulation analysis of construction of the adit and main tunnel intersection structure with different intersection angles, this paper draws the conclusions that the smaller the intersection angle, the higher the concentration degree of the surrounding rock stresses and the larger the adit lining stresses.

本文采用三维有限元数值模拟主隧道与横通道组成不同交角的空间复杂受力交叉结构的施工过程，得出交叉角越小，围岩应力集中程度越高、横通道衬砌结构受力越大的结论。

Further, by means of investigation and admeasurement, theoretical analysis and finite element simulation, the security analysis of ancient brick-and-clay city gate structure are performed.

接着，通过现场检测、理论分析及有限元模拟，对砖土拱城门结构进行了安全性分析。

Combined with Zhongshan-gate in Nanjing,by means of investigation and admeasurement, theoretical analysis and finite element simulation, the security analysis and reinforcement research of ancient brick-and-clay city gate structure are performed. The results would be the scientific reference to the reinforcement of brick-and-clay city gate. At the same time, the reinforcement method of barking concrete structure, another available method to renovations of brick-and-clay city gate, is put forward in this paper.

本文结合南京中山门，综合运用调查检测、理论分析和有限元模拟的方法，对砖土拱城门结构进行了安全性分析和加固技术研究，为砖土拱城门结构的加固维修提供切实可靠的科学依据；同时提出内衬混凝土空间箱型结构的加固方法，为今后对其它砖土拱城门结构的研究保护提供一定的参考。

The good track effect of the robust adaptive control systems and the range of the admissible control for used control quantities are presented in the examples of simulation.

在仿真例子中显示出这种鲁棒自适应控制系统具有良好的跟踪性能，而且控制量在容许控制的范围之内。

Significant improvements to the TOPMODEL were made on the distributed computation of runoff yield in the mesh scale which is equivalent to that of DEM in one hand,and an isochrones hydrograph was calibrated from rainfallrunoff observations for watershed convergence simulations on the other hand.These improvements were made to enhance the simulation ability of the TOPMODEL,meanwhile to extend the model′s adoptability in rainfallrunoff simulations to middle and large scale watersheds.

考虑到流域地形、下垫面条件及流域气象条件的空间差异性，将TOPMODEL的产流计算细化到每个栅格，以改进模型的分布式计算，并在考虑地形坡度影响的情况下，根据降水-径流资料优选出的参数率定等流时线、利用率定的等流时线进行流域的汇流计算，以提升TOPMODEL在中、大尺度流域模拟演算的能力。

Through computer simulation, on the random distributed active sites surface, the relation between the fraction of available sites and adsorbate amount can be calculated.

通过计算机模拟，在随机分布一定数量活性中心的吸附剂表面上，求得了可接近活性中心分率与吸附量之间的关系，并用带两个参数的新修正的Langmuir式表示。

Mainly to amend the simulation of water substance advection, improve the effect of precipitation in the forecast.

旨在改进GRAPES模式对水物质平流问题的模拟，提高降水的预报效果。

The objective is achieved after the development of simulation model using one dimensional advection dispersion equation.

这样 ，一维对流—扩散水质方程的求解除就是实现本研究目的的关键。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。