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The performances of the handling and stability and ride comfort have important influences on the bus design. To analysize them, the whole vehicle flexible model and road model are built by ADAMS software, and the performances of the original bus are simulated, the real vehicle tests are done to verify the simulation results. Acorrding to the universality design requirements of a bus enterprise, the...
Idle stop-start system is a new energy-saving product, which can obtain a good fuel economy and reduce emissions for the city bus. The work principle and mechanical structure are analyzed in this paper. The key technologies of idle-stop-start system are analyzed based on this. Then the idle-stop-start system is modeled and analysised based on AVL Cruise. Last, the fuel economy is simulated and analysised...
The performances and parameters matches of the disc brakes directly impact on the vehicle safety. Firstly, using the traditional design theory design a disc brake, especially the eight main parameters were calculated, such as brake diameter, the disc thickness, brake torque and synchronous attachment coefficient etc. Then the brake 3D model was built in the Pro/E software, and using the Ansys software...
To analyze the fatigue life of a fifth wheel saddle body, we established the three dimensional model of the saddle body by CATIA software, and imported it into ANSYS software, and modified to the FEM model, and meshing it. By researching relevant information we rendered the material simplified S-N curve. Considering a variety of factors of influencing the fatigue strength, we amended the material...
In order to analyze accurately leaf spring modal and to avoid of taking place resonance, in paper, we established the leaf spring three-dimensional model with CATIA software, then imported it into the ANSYS to carry through preprocessor that was defining loads and imposing constraints and meshing model. So we obtained the modal results of the self-vibration frequency and vibration figures. By deeply...
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