An Ultra-High-Speed Velocity-Based Interferometer System used for Innovative Discoveries on the Impact and Shock Responses of Materials and Structures

为了提高我们对生物力学，国防和航空航天以及先进制造业中冲击和冲击事件期间材料和结构的变形和失效的理解，我们正在申请资金购买最先进的超高速多通道速度干涉仪系统（称为光子多普勒测速-PDV）。该系统将允许同时研究跨越纳秒到毫秒的高度瞬态变形场（例如，激光加工期间的相变到弹道冲击期间装甲的膨胀）。PDV系统将利用目前由NSERC和CFI资助的150万美元的机械测试、冲击和冲击实验室以及制造设施，并将支持45个HQP。目前在加拿大没有类似的系统能够以相同的采样率（80 GHz）、带宽（25 GHz）和低噪声（2倍更昂贵）运行，具有更短的记录时间和更慢的采样率（最大10 MHz），并且在测量位置上具有更小的灵活性（例如，固定）。 该设备将作为跨大学和多样化研究计划的核心，解决支持加拿大工业的三个核心主题的基础和应用挑战：1）生物力学：减少冲击过程中的伤害（例如，运动碰撞），并通过设计、改进和鉴定生物修复植入物和保护结构来改善健康。 2)为申请人熟悉高级诊断方法进行辩护（例如，相机，干涉仪），他们在主题相关研究中的证明出版记录（+190篇论文），以及公认的研究人员素质（例如，ASME研究员，加拿大研究主席）;以及许多正在进行的利用PDV系统的团队项目（约210万美元/年）。最后，研究计划将为HQP提供世界一流的培训，强调：先进的技术（例如，数据分析）和专业发展培训（例如，企业家精神）;与主要用户的沉浸式交流计划和研讨会，以促进知识翻译（例如，加拿大国防部、通用动力公司、阿尔伯塔创新技术公司、国王学院、美国陆军）;并通过公正的招聘程序为EDI招聘。这将促进基础发现和有影响力的联合大学出版物。延迟获得这些设备将减少HQP培训，限制我们项目的创新，并限制吸引工业合作伙伴和合作者的潜力。

To improve our understanding of deformation and failure in materials and structures during impact and shock events in Biomechanics, Defence and Aerospace, and Advanced Manufacturing, we are requesting funding to purchase a state-of-the-art ultra-high-speed multi-channel velocity-based interferometer system (known as Photon Doppler Velocimetry - PDV). This system will allow the simultaneous study of highly transient deformation fields spanning nanoseconds to milliseconds (e.g., phase transformation during laser machining to bulging of armor during ballistic impact). The PDV system will leverage current +$1.5 million NSERC- and CFI-funded mechanical testing, impact and shock labs, and manufacturing facilities, and will support +45 HQP. There is currently no comparable system in Canada capable of operating at the same sampling rates (80 GHz), bandwidths (25 GHz), and low noise (2x more expensive, possess shorter recording times and have slower sampling rates (max 10 MHz), and have less flexibility in measurement placement (e.g., fixed). The equipment will serve as a centerpiece of a cross-university and diverse research program addressing fundamental and applied challenges in three core Themes supporting Canadian industries: 1) Biomechanics: Reduce injury during impact (e.g., sport collisions) and improve health through the design, refinement, and qualification of biofidelic implant and protective structures. 2) Defence the familiarity of the applicants with advanced diagnostics (e.g., cameras, interferometers), their proven publication record in Theme-related studies (+190 papers), and recognized researcher quality (e.g., ASME Fellow, Canadian Research Chair); and the many on-going team projects that make use of the PDV system (~$2.1M/year). Finally, the research program will offer world-class training to HQP that emphasizes: advanced technical (e.g., Data Analytics) and professional development training (e.g., Entrepreneurship); immersive exchange programs and workshops with Major Users that promote knowledge translation (e.g., Defence Canada, General Dynamics, InnoTech Alberta, King's College, US Army); and hiring for EDI through an unbiased recruitment process. This will promote fundamental discoveries and impactful joint-university publications. A delay in acquiring this equipment will diminish HQP training, constrain the innovation of our programs, and limit the potential for attracting industrial partners and collaborators.