| Finite Element Analysis and Experimental Investigation of Air Spring for Vehicles Based on Abaqus |
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| DOI： |
| Key Words: air spring；vertical characteristic；static stiffness；cord angle；finite element analysis |
| Author Name | Affiliation | | LIN Guo-ying | Qingdao University of Technology | | LIU Shao-yi | Qingdao Sifang Rolling Stock Research Institute Co.，Ltd. | | XU Heng-bo | Qingdao Sifang Rolling Stock Research Institute Co.，Ltd. |
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| Abstract: |
| The finite element model of air spring for vehicles was established with non linear finite element analysis software Abaqus to simulate and analyze its vertical characteristics.The results showed that，the vertical load was increased linearly with the increase of inflation pressure，and decreased with the increase of cord angle under the same pressure.The maximum outer diameter and stress increased with the decrease of cord angle.The vertical static stiffness increased linearly with the increase of inflation pressure，decreased with the increase of cord angle，and decreased with the increase of operational height firstly and then increased when the height continued to increase，i.e. there was a minimum stiffness value.The simulation results were confirmed by tests. |
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