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Modeling tangential contact of lap joints considering surface topography based on Iwan model

机译:基于IWAN模型的表面地形建模圈关节的切向接触

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摘要

A contact model to capture the tangential responses of lap joints is proposed. Based on the micro-contact theory and the Coulomb friction law, the tangential contact of the contacting asperities undergone certain normal load is simplified to Jenkins element in the parallel-series Iwan model, then a continuous function possessing an explicit physical significance is developed to describe the yield force distribution of the contacting asperities on the joint interface. In order to validate the proposed model, the predicted results are compared with the published experimental results. A definition and a criterion of slip ratio are introduced to quantifiably evaluate the contact states of lap joints. The influencing factors of the distribution function and the slip ratio were analyzed.
机译:提出了一种捕获LAP关节切向响应的接触型号。 基于微观接触理论和库仑摩擦法,在并联系列IWAN模型中简化了与Jenkins元件进行了一定的正常负荷的接触抑制的切向接触,然后开发出具有明确物理意义的连续功能来描述 接触截止齿轮屈服力分布的屈服力分布。 为了验证所提出的模型,将预测结果与已发表的实验结果进行比较。 引入了滑移比的定义和标准以使液体接头的接触状态量化为量化。 分析了分布函数的影响因素和防滑比。

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