Using infinite elements to analyse stress problem of branch cavity has demonstrated great superiority to finite elements, the work for preparing data is less, but the calculating result is more accurate.

Simulation based finite element analysis on the pressure tunnel of complex geogical condition;

Monte Carlo method for simulating flow in outlet structure of pressure tunnel;

the Tianhuangping power station, the Guangxu power station, and the Shahe power station, the method currently used for determination of the rock mass thickness between pressure tunnels at home was introduced.

3D finite element analysis of tailrace bifurcation tunnel;

Researches on the Condition of Cavitation of Unlined Diversion Type Pressure Tunnel and the Stability of Surrounding Rock;

Characteristics and classification of surrounding rockmass of diversion tunnel for Rongdi Upgrade Project;

Excavation construction of the transition section of the diversion tunnel in Nuozhadu hydropower station;

Application of genetic algorithm to optimizing blasting parameters for tunnel excavation;

On advance geological forecast of tunnels on karst or varied geological conditions;