Simulation studies on stability of slope with contact element;

The computing model of adopting contact element to simulate the pile-soil’s reciprocity;

Automatic generation of 3D finite element mesh and contact elements for helical gears;

Using the Non-linear analysis technology of ANSYS software,the three-dimension finite element model of radial tyre of R15 type of 60 series is built with three-dimension volume element,layer element and contacting element.

The contacting simulative analytical model of a pair of herringbone gear used in warship was established,and let the result of calculation be compared with Hertz theory,therefore explained the accuracy,effectiveness and reliability of the contacting element on gear contact stress analysis.

Analysis on the vibration of Three Gorges hydropower house on the basis of double-node contact elements;

Also,during the inverse calculating process,contact elements were used to simulate the longitudinal joints of the dam.

Contacted interface elements are set between pile elements and soil elements.

In this paper a practical local mesh densification method, which can deal with the problems in the field of soil project FEM that usually includes interface element and multi-loads is given.

A new three dimension nonlinear interface element for modeling joints is presented.

The interaction between the casting and core was disposed by using the contact element method in numerical simulation, which improved traditional method for disposing casting /model boundary conditions.

Integration algorithm of constitutive equation for zero-thickness interface element and its verification;

The Goodman interface elements were defined to contribute a nonlinear numerical model for the coupling finite elements and interface elements.

The 3-D beam element was used for simulating the stressdeformation characteristics of concrete thin-walled cylindrical piles,and the thin layer interface element was used for simulating the interaction between soil and piles.