Study Of Antidrop Design For Mobile Phone Flip Structure

Drop and impact are often seen in engineering practice and recognized as a contact collision problem, and the problem shows highly characteristics of nonlinearity. Normally it's effective method to solve dropping issue of dropping issue complex structure with finite element method and actual dropping test data, and it will improve the precision of finite element simulation. So the analysis and research for drop phenomena with finite element method is important in both theoretical and engineering fields.Studying the general analysis method and solving process of the phone's flip contact and impact during dropping with finite element analysis simulation technology based on the contact dynamics will be the set up for nonlinear simulation analysis. It is be provided that simulation method with complex structure during dropping impact load and combined with contact dynamics and finite element analysis method. The phone's flip is taken as the object. Based on the failure of original flip drop test, the difference between original and modified flip structure is compared, and the finite element model with the modified flip structure is set up. Element selecting, interaction definition and boundary condition definition are analyzed in detail.The response character of the transparent flip is analyzed by using different drop orientation simulation. The phone's drop test is done in order to verify the simulation correctness. The test result of flip reliability is obtained through two different drop test methods, which shows consistency between test and simulation and the simulation result rationality. The phone's flip drop test is explored, theoretical support and engineering reference is contributed to the impact dynamics research of similar complex structure.