U.S.-Polish Collaborative Research: Localization and Fracture under Dynamic Loading Processes in Mesomechanics Problems

美波合作研究：细观力学问题中动态加载过程下的局域化和断裂

• 批准号: 0351638
• 负责人: George Voyiadjis
• 金额: --
• 依托单位: Louisiana State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-04-01 至 2008-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0351638&HistoricalAwards=false
• 关键词: U.S.; Polish; Collaborative; Research; Localization

The is a U.S.-Polish cooperative research project that will investigate damage and fracture phenomena under dynamic and cyclic loading conditions in modern engineering materials. The principal investigators are Dr. George Voyiadjis from Louisiana State University & Agricultural and Mechanical College, Dr. Piotr Perzyna and Dr. Wojciech Dornowski from the Institute of Fundamental Technological Research (Warsaw, Poland) and Dr. Tomasz Lodygowski from Poznan University of Technology (Poznan, Poland). This research addresses an important and unresolved problem in the theory of inelastic behavior of materials. It will enhance the understanding of fracture and particularly localized fracture phenomena in thermo-elasto-viscoplastic flow processes under dynamic loadings in modern engineering materials. This study is the combination of theoretical modeling, computational simulation and comparisons with existing experimental data to address localization in damage phenomena. Results of this research are expected to increase the understanding of the localization damage phenomenon and eventually contribute to reducing and controlling detrimental effects of dynamic and impact loads.This project in engineering research fulfills the program objectives of bringing together leading experts in the U.S. and Central/Eastern Europe to combine complementary efforts and capabilities in areas of strong mutual interest and competence on the basis of equality, reciprocity, and mutuality of benefit.

这是一个美国-波兰合作研究项目，将调查现代工程材料在动态和循环载荷条件下的损伤和断裂现象。 主要研究人员是路易斯安那州立大学农业和机械学院的乔治沃伊亚吉斯博士、基础技术研究所（波兰华沙）的Piotr Perzyna博士和Wojciech Dornowski博士以及波兹南理工大学（波兰波兹南）的Tomasz Lodygowski博士。本研究解决了材料非弹性行为理论中一个重要而尚未解决的问题。 它将提高现代工程材料在动态载荷下热弹粘塑性流动过程中断裂，特别是局部断裂现象的理解。 本研究是理论建模，计算模拟和与现有的实验数据的比较相结合，以解决本地化的损伤现象。 这项研究的结果预计将增加对局部化损伤现象的理解，并最终有助于减少和控制动态和冲击载荷的有害影响。这个工程研究项目实现了汇集美国和中央/- 东欧将在平等、互惠和互利的基础上，在具有强烈共同利益和能力的领域，将联合收割机的互补努力和能力结合起来。