Measurement and Study of Dynamic Deformation Displacement in Cylinder of Diesel Engine;

Simulation on dynamic movement and deformation laws of buildings in mining area;

Algorithm of ground movement and deformation prediction in mining of random shape face;

Numerical simulation of the effect of thickness mining and loose seam s thickness on ground movement and deformation in mining subsidence;

Numerical simulation of stress distribution and displacement of rock strata of coal mines by means of DDA method;

This article mainly discusses the process of surveying surface three-dimension on similitude simulation test on mining subsidence indoor,the surveying data can be translated by visual program,surface displacement and deformation can be resulted by its relation,it resolves the difficult problem of how to survey the surface displacement and deformation on similitude simulation test.

Referring to the geological and mining conditions, and according to the mechanism of strata and displacement, the factors affecting the displacement and deformation, and the relationship between forwarding of working face and ground deformati.

A new multipoint measuring system for welding dynamic distortion and thermal cycle was presented,which was aimed at the non-uniform thermal cycling and deformations during the welding process.

It discusses the dynamic distortion of different structure and the influence to the spherical error,and proposes the measure to reduce and compensate the spherical error.

It discusses the dynamic distortion of different structrue and the effect of the spherical error,and raises a point of order to reduce and compensate the spherical error.