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本文同时考虑了多物体接触问题中出现的表面非线性和材料非线性问题。虽然求解过程是基于Newton迭代法,但是,不难看出如果处理不当,表面非线性将会影响材料非线性的迭代过程。本文中,我们将分析这种双非线性问题的处理方法。通过洽当的增量解及接触状态的迭代过程来求得收敛解。 本文提供的算例证明这种方法是一种有效、可靠的通用方法。
This paper also considers the surface nonlinearity and material nonlinearity that appear in multi-object contact problems. Although the solution process is based on the Newton iteration method, it is not difficult to see that if it is not handled properly, surface nonlinearity will affect the iterative process of material nonlinearity. In this article, we will analyze the treatment of this dual nonlinear problem. The convergence solution is obtained through the iterative process of delta solution and contact state. The examples provided in this paper demonstrate that this method is an effective and reliable general method.