Optimization design and numerical analysis of excavation and yield supporting for unstable surrounding rock;

The numerical analysis for the assembly stress in the local short fault of a vessel girth joint;

Numerical Analysis of Effects of Phase Transformation Heat Changes on the Cooling Ability of Partial Die-casting Mould;

Numerical Simulation on the Cooling Capacity of Partial Mould under Natural Condition;

Base on the prior period study on the numerical simulation of Rheo-diecasting mould filling and solidification process of semisolid magnesium alloy about plate model.

In order to optimize the manufacturing procedure of the thick 7B04 aluminum alloy, numerical simulation method is employed to analyze the stress field of thick 7B04 aluminum alloy board during manufacturing procedure of quenching, calendaring and stretching.

By using frondose numeric analysis of ANSYS software to technics process about pipe bulging and operation condition, pointed out how to choose pipe material and plate material better to solve the problem of bulging-contacting and leakage.

From the point of building differential equations of V-notch in homogeneous materials,the problem of elastoplast stress singularity and stress field near the tip of V-notch is not only studied in the way of numeric analysis,but also a feasible solution to those equations is presented.

The article summarized the characteristics and compute procedure of finite element method frequently used in geotechnical engineering, conducted numeric analysis and comparison of the stress and strain in nature and in deformation condition of top slope.

The surface vertical and horizontal displacements resulted from the mined-out pit are predicted by use of the FLAC software and the slope and curvature of surface sedimentation at every locus are figured out with numerical value analysis theory.

With the aid of the method of numerical value analysis,the node-matrix is used to find solution on a computer,thus providing a practical and reliable method to solve the hydraulics-calculation problem of the branch-shaped pipe-net.

A numerical method for determination of multiple stress singularities and corresponding stress intensity coefficients;

In this paper,the numerical method in applied in analyzing the stability of rockmass during the period of open mining to ground minig,and the optimum of stope size is made.

?A numerical method of calculating of operational characteristic of self - excited induction generator is presented in this paper,it may provide the reference for regulating the voltage of induction generator.