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An Early Demonstration of the Role that ICME Can Play in Airframe Design and Cost Analyses

机译：尽早证明ICME在机身设计和成本分析中可以发挥的作用

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With production run sizes decreasing and unit costs increasing, airframe manufacturers are aggressively pursuing the development of advanced materials, structures and manufacturing processes that will reduce cost without compromising structural integrity. In recent years the use of computational simulation for material discovery, design and development and for structural optimization has become increasingly widespread. This emerging discipline of Integrated Computational Materials Engineering (ICME) is enabling design trade studies with improved fidelity and has shown the potential to reduce the amount of physical testing required for structures certification. Recently, studies have been performed in which computed residual stresses in large aluminum forgings were included in an advanced optimization of several bulkheads. These results were then used to inform a cost model that addressed sustainment, as well as manufacturing and performance costs. In this paper, using the forging studies cited above, we will describe the increasingly important link between ICME and viable affordability assessments.
机译：随着生产规模的减小和单位成本的增加，机身制造商正在积极追求先进材料，结构和制造工艺的发展，以在不损害结构完整性的情况下降低成本。近年来，将计算仿真用于材料发现，设计和开发以及结构优化的应用已越来越广泛。集成计算材料工程（ICME）的这一新兴学科使保真度提高的设计行业研究得以实现，并且显示出减少结构认证所需的物理测试量的潜力。最近，已经进行了一些研究，其中将大型铝锻件中的计算残余应力包括在几个舱壁的高级优化中。然后将这些结果用于告知解决可持续性的成本模型以及制造和性能成本。在本文中，我们将使用上面引用的锻造研究来描述ICME与可行的承受能力评估之间日益重要的联系。

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