To improve the efficiency of supply chain collaborative development,advance the process and data management of inter-enterprise collaborative design,a netwo
For construction of universal 5-axis virtual machine simulation system,a new methodology is proposed in this paper.The OpenGL library is used to render the
Kinematic simulation in virtual environment is the key technique of product performance evaluation.Based on graph theory,the paper gives the integrity knowl
As for the complication of the curve surface of the autccycles gasoline tank,the reverse engineering is considered to configurate 3D model.Firstly,the point
Role-based delegation is widely used in most of existing ElM (Enterprise Information Management)systems.Due to the fact that the delegation constraint in de