Contact models are used, among others, to describe the asperity contact in lubricated contacts. In recent decades, a large number of contact models have been developed based on different approaches. In this article a selection of classical statistical contact models are compared with a deterministic FE model. The validation of the different approaches was carried out applying an indirect methodology. By comparing a numerically determined Stribeck curve, on which the characteristics of the contact model has a significant influence, and experimentally determined Stribeck curves, the applicability of the different contact models can be evaluated. The influence of elastic and elastoplastic material behaviour in the deterministic contact model on the asperity contact pressure curves and Stribeck curves, respectively, was examined during the investigations. The results show, that the elastic FEM contact model and the statistical model according to Greenwood and Tripp provide the best agreement with the experimental Stribeck data. This can be attributed to the fact that the roughness peaks are smoothed immediately in the early contact stage and the smoothed surface behaves almost elastically.

接触模型用于描述润滑接触中的粗糙接触。近几十年来，已经基于不同的方法开发了大量的接触模型。在本文中，我们将一系列经典统计接触模型与确定性有限元模型进行了比较。应用间接方法对不同方法进行了验证。通过比较数值确定的 Stribeck 曲线（接触模型的特性对其有显着影响）和实验确定的 Stribeck 曲线，可以评估不同接触模型的适用性。确定性接触模型中弹性和弹塑性材料行为分别对粗糙接触压力曲线和 Stribeck 曲线的影响，调查期间进行了检查。结果表明，弹性有限元接触模型和根据 Greenwood 和 Tripp 的统计模型提供了与实验 Stribeck 数据的最佳一致性。这可以归因于这样一个事实，即粗糙度峰值在早期接触阶段立即被平滑并且平滑的表面几乎表现出弹性。