Forming Process Of The Automobile Front Windscreen And Its Numerical Simulation

With the rapid development of the automotive industry,people are paying more and more attention to the safety,intelligence,and fashion of automobiles.Auto glass is an important accessory that constitutes a car body.It combines the features of functionality and appearance with its design toward large curved surfaces and doubles.Curvature and development of large spheres and the development of new products through trial and error can no longer meet the needs of development.Therefore,it is of great theoretical value and practical significance to deeply study the hot-bending forming process of automotive glass and combine finite element numerical simulation with the establishment of a complete numerical model.In this dissertation,the numerical simulation and experimental study of hot bending forming process of automobile glass are carried out.Based on this,the relationship between forming temperature and stress distribution is explored.In this paper,the finite element analysis software ANSYS is used as a platform,combined with the finite element theory of viscoelastic materials.Through a reasonable simplification of the model,the finite element mathematical model of the automobile glass forming stage is established.Based on the three-dimensional transient heat conduction theory and thermodynamic coupling theory,the temperature field and stress field in the hot bending process of automotive glass were theoretically studied.Through comparative analysis of the actual product experimental results and numerical simulation results,the accuracy and credibility of the numerical simulation are demonstrated and the law of the forming process is explored.