| Automobile suspended frame elastic element is one of the key parts of automobile chassis system.It was about the safety of the car,the comfort of the car occupant and the Car body adaptability to complex pavement.This article combined with the technology development project Of the enterprise,using CAE software to the basic characteristic of the suspension elastic element to made a detailed analysis,and the matching calculation of automobile suspension stiffness,using ADAMS to complete the ride comfort of vehicle dynamics simulation.This article main content is as follows:According to the vehicle parameters,for an enterprise hybrid car’s before and after suspension stiffness matching of theoretical calculation,To determine the automobile suspension rigidity of components elastic,The establishment of three-dimensional model of automobile suspension spring using CAE software.According to the elastic element of automobile suspended frame work of the boundary conditions and structural features,By theoretical calculation and finite element method to analyze and the structural strength and stiffness of the spiral spring and the horizontal stabilizer bar.Through the finite element calculation,verify its rationality and reliability of the structural strength and stiffness.Using ADAMS/Car vehicle multi-body dynamics simulation model is established,and the simulation verifies the theoretical calculation of the stiffness of matching value,makes the vehicle has a good ride.Using Electronic spring press and stress strain gauge and its testing system of suspension elastic element,The test results were analyzed with the finite element results,Both have good consistency,The correctness of the finite element method and the model is verified. |
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