工业问题的二维SPH流固耦合多重网格程序
Toward a 2D SPH Multiphysic Code with Solid-Solid & Fluid Interactions for Industrial Related Problems
摘要：
在本研究中，应用的SPH方法，工业相关的问题被认为是从现有的开源2D SPH代码，即SPHYSICS代码，它提供了一个有效的地面数值的发展，这是为了带来一个答案，工业问题，如模拟固体/液力偶合器在自由表面流动的背景下。因此，本文件的目的是暴露的数值发展，产生一个增强版本（称为“SPHYSIC 2”）的初始代码。首先，描述了为获得工程应用所需的操作代码而添加的不同特征，以及由此产生的问题，为工程师提供了一种SPH方法的回顾。其次，提出的代码的验证部分与两个著名的，但困难的测试情况下，即经典的“溃坝”和“楔形进入”的问题。第三，一种方法来解决固体/固体接触，经常出现在现实的配置，暴露和应用，以实现更复杂的模拟的原则。最后，展望SPHYSIC 2代码的新功能的曝光和讨论。
英文摘要：
In the present study, applications of the SPH method to industrial related issues are considered by starting from an existing open source 2D SPH code, namely the SPHYSICS code, which offers an effective ground for numerical developments, which are performed in order to bring an answer to industrial problems, such as simulations of solid/fluid coupling in a free surface flow context. The purpose of the present paper is therefore to expose the numerical developments which yield an enhanced version (referred to as "SPHYSIC2") of the initial code. Firstly, the different features added to obtain the operational code needed for engineering applications are described, and so are the problems raised on this way, offering a kind of review of SPH methods for engineers. Secondly, the validation of the proposed code is partially presented with two well known but difficult test cases, namely the classical "dam break" and "wedge entry" problems. Thirdly, principles of a method to solve solid/solid contacts, frequently present in realistic configuration, are exposed and applied to achieve more complex simulations. Finally, perspectives for new features of the SPHYSIC2 code are exposed and discussed.
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