Using finite element method,influence of diesel cylinder head structure on fatigue strength is investigated.A simplified head model with function characteristics is built for thermal-mechanical simulation.From the sim...Using finite element method,influence of diesel cylinder head structure on fatigue strength is investigated.A simplified head model with function characteristics is built for thermal-mechanical simulation.From the simulation results,the influence of valve bridge structure and roof transition fillet dimension on fatigue strength are obtained.And a new valve bridge structure which can effectively improve the fatigue life is proposed.展开更多
With the verification of the State Organization Establishment Committee and the approval of the State Council, the CAS is now an institutional organization under the direct supervision of the State Council. It is both...With the verification of the State Organization Establishment Committee and the approval of the State Council, the CAS is now an institutional organization under the direct supervision of the State Council. It is both the highest academic institution and the most comprehensive research center in natural sciences in China.展开更多
基金Supported by the National Basic Research Program of China(613570303)
文摘Using finite element method,influence of diesel cylinder head structure on fatigue strength is investigated.A simplified head model with function characteristics is built for thermal-mechanical simulation.From the simulation results,the influence of valve bridge structure and roof transition fillet dimension on fatigue strength are obtained.And a new valve bridge structure which can effectively improve the fatigue life is proposed.
文摘With the verification of the State Organization Establishment Committee and the approval of the State Council, the CAS is now an institutional organization under the direct supervision of the State Council. It is both the highest academic institution and the most comprehensive research center in natural sciences in China.
