论文标题
与耦合的粘附和摩擦接触：计算框架，应用程序和新见解
Contact with coupled adhesion and friction: Computational framework, applications, and new insights
论文作者
论文摘要
涉及软材料的接触通常结合干燥的粘附，滑动摩擦和大变形。在地方层面，这三个方面很少同时捕获，但在Mergel等人的理论模型中包括。 （2019）。我们在这里开发了一个相应的有限元框架，该元素框架捕获了两个可变形物体的3D有限型晶体接触。该框架适合研究滑动摩擦，即使在拉伸正常载荷下也是如此。首先，我们使用2D和3D测试用例展示了有限元模型的功能，范围从符合性磁带到具有高刚度的结构，并包括可变形的刚性和可变形的可变形触点。然后，我们为平滑弹性玻璃界面的滑动开始提供新的结果，该设置将非线性材料行为，粘附和较大的摩擦应力伴随。我们的模拟不仅与实验和理论发现都一致，而且还提供了有关当前有关剪切诱导的弹性触点接触区域减少的辩论的新见解。
Contact involving soft materials often combines dry adhesion, sliding friction, and large deformations. At the local level, these three aspects are rarely captured simultaneously, but included in the theoretical models by Mergel et al. (2019). We here develop a corresponding finite element framework that captures 3D finite-strain contact of two deformable bodies. This framework is suitable to investigate sliding friction even under tensile normal loads. First, we demonstrate the capabilities of our finite element model using both 2D and 3D test cases, which range from compliant tapes to structures with high stiffness, and include deformable-rigid and deformable-deformable contact. We then provide new results on the onset of sliding of smooth elastomer-glass interfaces, a setup that couples nonlinear material behavior, adhesion, and large frictional stresses. Our simulations not only agree well with both experimental and theoretical findings, they also provide new insights into the current debate on the shear-induced reduction of the contact area in elastomeric contact.
