Innovation in Materials Processing using Synthesis and Generalization of Multiphysics, Multicoupled Systems

利用多物理场、多耦合系统的综合和推广进行材料加工创新

• 批准号: RGPIN-2014-04892
• 负责人: Mendez, Patricio
• 金额: $ 2.11万
• 依托单位: University of Alberta
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=638203
• 关键词: Innovation; Materials; Processing; using; Synthesis

The ultimate goal of this Discovery program is to greatly accelerate the innovation cycle for all materials processes. In the short term, the focus will be on arc welding and on the creation of mathematical tools to study multiphysics, multicoupled processes. It is generally agreed that innovation and design in materials process is hindered by the broad gap between scientific understanding of materials processes and its engineering application. The proposed Discovery program aims at bridging this gap by developing accurate, general, computationally efficient models and design rules for materials processes. These models and design rules will be based on advanced, cross-disciplinary mathematical methodologies and intense experimentation. The methodologies developed will be of direct help in relating processing, structure, and properties to each other at a quantitative level. The radically new tools and knowledge developed will enable proper materials process engineering treatment instead of the current approach of trial and error. This work is expected to be of much influence to practitioners, but the foundations to arrive to the results are beyond industry’s mandate and abilities.The work to be carried out leverages and expands on the tools developed during the previous round of Discovery funding, activities that have been published and received important international awards and recognition. The education objective of this program is to expose future HQP to real-life processes that are very difficult to idealize, and to teach them to distill the essential features of these processes to make quantitative predictions. HQP will also be exposed to state of the art scientific equipment and software, and full-scale production equipment.The advanced methodologies to be employed consist of a combination of numerical modeling and experimental measurements within the framework of scaling techniques. The Canadian Centre for Welding and Joining already counts with all necessary software and experimental facilities to develop the methodologies proposed. The implementation and development of scaling techniques is a distinguishing aspect of this proposal, and is especially suitable to addresses the complex nature of materials processing, particularly welding. Scaling is a proven technique for the synthesis, generalization, and extrapolation of knowledge across systems in physics, applied mathematics, and many engineering disciplines. Judging by the impact of Scaling on those other disciplines, its application to the field of materials science and engineering holds enormous potential. Scaling results are useful at the conceptual stage in the design process, as real-time models in control systems, and as benchmarks of numerical models and experiments.The impact of the proposed studies on multicoupled, multiphysics, non-equilibrium problems can be very large. Welding in particular is essential for the manufacturing industry and for the exploitation of Canada’s vast natural resources. The methodologies to be developed are useful beyond welding, and through existing collaborations, (both academic and with industry) it is expected that they will benefit many materials processes. Scaling techniques are useful beyond materials processing and engineering in general, reaching physics, applied mathematics, biology (where the resulting scaling laws are called "allometric laws"), and operations management. The applications of the scaling methodologies developed in this proposed work will trickle down to those other areas through interdisciplinary collaborations. The proposed research program will be synergistic with other current and future more narrowly defined projects in which scientific understanding is required for a particular materials process.

该发现计划的最终目标是大大加快所有材料工艺的创新周期。人们普遍认为，短期内，重点将放在电弧焊和创建数学工具上，以研究多物理场、多耦合工艺。对材料过程的科学理解与其工程应用之间的巨大差距阻碍了材料过程的创新和设计，拟议的发现计划旨在通过开发准确、通用、计算高效的材料过程模型和设计规则来弥补这一差距。设计规则将是基于先进的跨学科数学方法和深入的实验，开发的方法将直接帮助在定量水平上将加工、结构和属性相互关联起来。开发的全新工具和知识将使正确的材料加工工程成为可能。这项工作预计会对从业者产生很大的影响，但获得结果的基础超出了行业的授权和能力。要开展的工作利用并扩展了工具。在上一轮发现融资期间开发的，该计划的教育目标是让未来的 HQP 接触很难理想化的现实生活流程，并教他们提炼这些流程的基本特征，以实现这些流程。 HQP 还将使用最先进的科学设备和软件以及全尺寸生产设备。所采用的先进定量方法包括在缩放技术框架内结合数值建模和实验测量。焊接和连接中心已经开发所提出的方法所需的所有必要的软件和实验设施。缩放技术的实施和开发是该提案的一个显着方面，并且特别适合解决材料加工的复杂性，特别是缩放是一种经过验证的技术。跨物理、应用数学和许多工程学科的知识的综合、概括和外推从缩放对其他学科的影响来看，它在材料科学和工程领域的应用具有巨大的潜力。在设计过程中的概念阶段，作为控制系统中的实时模型，以及数值模型和实验的基准。所提出的研究对多耦合、多物理场、非平衡问题的影响可能非常大。对于制造业和加拿大丰富的自然资源的开发至关重要，所开发的方法不仅适用于焊接，而且通过现有的合作（学术界和工业界），预计它们将使许多材料工艺受益。缩放技术的用途超出了一般的材料加工和工程，涉及物理学、应用数学、生物学（其中所得到的缩放定律被称为“异速生长定律”）和操作管理。在这项提议的工作中开发的缩放方法的应用将会不断涌现。通过跨学科合作，拟议的研究计划将与其他当前和未来更狭义的项目产生协同作用，在这些项目中，特定材料过程需要科学理解。