冷喷涂模拟中各种模型的分析和比较：迈向高保真模拟
Analysis and comparisons of various models in cold spray simulations : towards high fidelity simulations
摘要：
冷喷涂技术是一种快速发展的机械制造工艺，影响着许多行业。尽管多年来对现象的理解和系统性能的改进进行了研究，但确保高保真模拟仍然是一个挑战。在这项工作中，我们提出了一个详细的高保真度建模和模拟提供更多的洞察力的现象出现在冷喷涂，如湍流，斜激波，弓形激波，波动，粒子运动和粒子的影响。它主要是基于一个更丰富的模型称为分离涡模拟（DES）模型。此外，我们提出了几个现有的各种模型的验证和比较的目的分析。最后，这个高保真度的框架将使我们能够处理一个新的配置，显示出与以前的模型评估的改进的性能。
英文摘要：
Cold spray technology is a quickly growing manufacturing technology which impacts lots of industries. Despite many years of studies about the comprehension of the phenomena and the improvements of the performance of the system, ensuring high fidelity simulations remains a challenge. We propose in this work a detailed high fidelity modeling and simulations giving more insight of the phenomena appearing in cold spray such as turbulence, oblique shocks, bow shocks, fluctuations, particles motion and particles impacts. It is mainly based on a richer model known as the Detached Eddy Simulation (DES) model. Moreover, we present several analysis of various existing models for both validations and comparisons purposes. Finally, this high fidelity framework will allow us to deal with a new configuration showing an improved performance assessed with the previous models.
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