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首页> 外文会议>2002 International Conference on Process Modeling in Powder Metallurgy amp; Particulate Materials Oct 28-29, 2002 Newport Beach, California >CONSTITUTIVE MODELS FOR THE SIMULATION OF P/M PROCESSES
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CONSTITUTIVE MODELS FOR THE SIMULATION OF P/M PROCESSES

机译：P / M过程模拟的本构模型

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摘要

Improved performance and reduced prices have been the stimulus for the proliferation of personal computers. Together with continuous development of software tools, the availability of powerful personal computers places a number of modeling tools at the disposal of every engineer. Therefore today there is no question as to whether modeling is to be applied on not; the real question is what type of modeling should be used. To this end, a number of basic concepts for the modeling of powder metallurgy processes will be discussed and the primary models (continuum, micromechanical, and discrete) will be reviewed. In addition, consideration is given to: the need to balance model complexity and the amount of work for calibration experiments; the requirement for critical assessment and refinement of continuum models via experimental validation; further enhancement of continuum models on the basis of micromechanical and atomistic considerations; addressing modeling and numerical issues related to realistic complex shapes; and specific needs for further model development.
机译：性能的提高和价格的下降一直是个人计算机激增的动力。随着软件工具的不断开发，功能强大的个人计算机的可用性使许多建模工具可供每位工程师使用。因此，今天毫无疑问是否要在其上应用建模。真正的问题是应该使用哪种类型的建模。为此，将讨论粉末冶金过程建模的许多基本概念，并将回顾主要模型（连续，微机械和离散）。此外，还考虑了：需要平衡模型的复杂性和校准实验的工作量；通过实验验证对连续模型进行严格评估和改进的要求；在微观力学和原子性考虑的基础上进一步增强连续体模型；处理与现实复杂形状有关的建模和数值问题；以及进一步模型开发的特定需求。

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