A thermomechanical model of a stern tube seal has been developed by paying particular attention to the contact between the seal and the shaft. The finite element method is used to capture the macroscopic behavior of the seal while roughness was evaluated at a microscopic level by applying the boundary element method. The seal material was independently characterized, and the results were used to calibrate the material constitutive model used for the seal. Two specialized setups were built to validate the model in terms of radial force, contact width, and percolation threshold. By combining the two models, the strains, stresses, temperature, and the limits of static tightness can be predicted at high accuracy for a wide range of operating conditions.

中文翻译：

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静态条件下的尾管密封：一种多尺度接触建模方法

通过特别注意密封件和轴之间的接触，开发了艉轴管密封件的热机械模型。有限元方法用于捕捉密封的宏观行为，而粗糙度则通过应用边界元方法在微观水平上进行评估。密封材料被独立表征，结果用于校准用于密封的材料本构模型。建立了两个专门的设置来在径向力、接触宽度和渗透阈值方面验证模型。通过结合这两个模型，可以在各种操作条件下高精度地预测应变、应力、温度和静密封性极限。