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滚动轮胎有限元建模及温度场仿真分析 被引量:6

Finite Element Modeling and Analysis of Temperature Field of Tire
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摘要 研究滚动轮胎温度场分布的问题,为了解决温度场试验较难获得轮胎内部温度,重复性差等缺点,以实体轮胎为建模对象,建立了胎体帘线模型与轮胎橡胶材料模型,并将模型在充气压力下的自由模态各阶频率值与试验值相比较,在验证了可行性和正确性的条件下,嵌入了轮胎生热、传热模型以及试验测得的热边界条件,对轮胎稳态温度场进行了仿真,明确了稳态温度场分布图和轮胎内部最高温度与车速间的函数关系及二次拟合公式,并简单分析了轮胎温度分布规律。仿真结果表明,利用有限元法建立的模型及温度场计算是正确的,可为轮胎的结构和配方设计等方面提供了依据。 To solve the disadvantages in temperature field tests,such as difficult to obtain the inner-tire temperature and the poor repeatability,a FEA rolling tire model was established by using a real tire for simulation.The analysis method was given based on tire generating heat theory and heat transfer theory.The characteristics of its vibration mode of the simulation were compared with the data of correspondent experiments and the identification between them was verified.Then,the temperature distribution and function relation between the max temperature and speed at steady state as well as a secondary fitting formula can be obtained.And last,the reasons which cause the regular of rolling tire temperature distribution were discussed in brief.Simulation results show that the FEA tire model and temperature calculation method are feasible and correct,and can be used as the foundation for structure design and ingredient design of tire.
出处 《计算机仿真》 CSCD 北大核心 2012年第10期348-352,共5页 Computer Simulation
关键词 轮胎温度场 有限元法 模态 计算机仿真 Tire temperature field Finite element method Modal Computer simulation
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