Validation in fusion research: Towards guidelines and best practices
Validation in fusion research: Towards guidelines and best practices
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融合研究的验证：走向指南和最佳实践
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
U. S. T. T. Force
中科院分区：
文献类型：
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作者：
P. Terry;Martin Greenwald;J. Leboeuf;G. McKee;D. Mikkelsen;William M. Nevins;David E. Newman;D. Stotler;Validation;U. S. T. T. Force
由于磁约束聚变的实验/模型比较尚未满足广泛理解的验证要求，因此建议将验证数学模型和数值算法的方法作为良好实践。先前确定的程序，如不确定性和缺陷的验证、鉴定和错误分析，仍然很重要。然而，核聚变等离子体及其物理测量固有的特殊挑战导致识别新的或不太熟悉的概念，这些概念在验证中也至关重要。其中包括首要层次，它跟踪可测量数量的整合，以及敏感性分析，它评估模型输出如何分配到不同的变化源。单个测量的验证度量的使用扩展到多个测量，并规定了首要层次结构和灵敏度。这种复合验证度量对于定量评估与实验的比较是必不可少的。为了在磁聚变中进行成功和可信的验证，设想了一种新的验证文化。
Because experiment/model comparisons in magnetic confinement fusion have not yet satisfied the requirements for validation as understood broadly, approaches to validating mathematical models and numerical algorithms are recommended as good practices. Previously identified procedures, such as, verification, qualification, and analysis of errors from uncertainties and deficiencies, remain important. However, particular challenges intrinsic to fusion plasmas and physical measurement therein lead to identification of new or less familiar concepts that are also critical in validation. These include the primacy hierarchy, which tracks the integration of measurable quantities, and sensitivity analysis, which assesses how model output is apportioned to different sources of variation. The use of validation metrics for individual measurements is extended to multiple measurements, with provisions for the primacy hierarchy and sensitivity. This composite validation metric is essential for quantitatively evaluating comparisons with experiments. To mount successful and credible validation in magnetic fusion, a new culture of validation is envisaged.