Based on the large deflection incremental theory in solid mechanics, the finite strip method in structural analysis was extended and an elasto plastic large deflection spline finite strip method established, based on the Updated Lagrangian method.

The spline finite strip method (SFSM) is used to deduce the stress,strain and unit stiffness matrixes of the curved box bridge and testify the theorem for internal force influence surface.

It is the concrete implementation of manufacturing information to apply Multi-Agent to spline finite strip method.

Program model research of spline finite strip method based on multi-agent;

The spline finite strip method, which has a high precision, was adopted to calculate and predict the work roll temperature field and crown.

In this paper, the researches on static equilibrium and dynamic equilibrium of the soil under foundation by coupling the spline finite element method and semi-analytical infinite element method, several computer programs are compiled.

The spline finite element and the semi analytical infinite element are used to investigate the infinite soil.

The spline finite element method is used to investigate the pile-soil system in the near field.

Based on the analysis of the Piles-Soil Interaction by the spline finite element and the semi-analytical,the paper compares the difference between noninteraction and interaction.

The structure-basements-piles-soil interaction was analysised,based on the spline finite element and the semi-analytical infinite element.

Solution of spline finite element method of runner strength of mixed flow turbine;