First, use"birth and death"element and dynamic load step technique to simulate the material removal and tool path respectively, analyzed the machining deformation and effect rule caused by the tool route under the coupling of initial residual stress, fixturing stress and milling residual stress.

Effect of simulated welding parameters on pipe girth weld residual stresses;

Finite element analysis of butt-welding residual stresses;

Simulation Experiment Study of Influence Factors on Residual Stresses of Injection-molded Parts;

Analysis of the effects of residual stress in reinforcing cords on the finite element simulation of radial tire;

Study of residual stress in pipe drawing process with fixed mandrel;

Study on residual stress of ZrO_2 thermal barrier coating;

Analyzes and discusses the processed surface remaining stress mainly from three aspects.

Its remaining stress and temperature environment have been analyzed using ANSYS.

The implementation method of test for remaining stresses of cold bending thin walled steel sections by the electrochemical corrosion method is discussed mainly.

The experiments under laboratory and production conditions have shown that process bars significantly affect the magnitude and distribution of casting residue stress through the mechanical resistance stress during the solidifying and cooling process.

The causes of the cracking failure and crack development mechanisms of oil well conduit are analyzed through macro observation and SEM analysis as well as residue stress testing.

A DC-contact series radio frequency(RF) micro electromechanical system(MEMS) switch with slanting beams was developed to eliminate warping of the cantilever beam due to residue stresses.