US-Czech Engineering Research on Inelastic Behavior of Materials

美国-捷克材料非弹性行为工程研究

基本信息

  • 批准号:
    9515470
  • 负责人:
  • 金额:
    $ 4.49万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    1996
  • 资助国家:
    美国
  • 起止时间:
    1996-06-15 至 1999-05-31
  • 项目状态:
    已结题

项目摘要

INT 9515470 Rajagopal The primary objective of this U.S.-Czech research project between K. R. Rajagopal of the University of Pittsburgh and Jan Kratochvil of the Czech Technical University is to develop a unified theory and coherent model that can explain a range of inelastic phenomena in solid materials. Specifically, the researchers intend to address the details of microstructure and their impact on the evolution of mechanical properties in a body, which may possess more than one stress-free configuration. In the process, the researchers plan to incorporate in this theory their experimental observations concerning: 1) dislocation structures and non-local effects due to such dislocation structures; 2) "fading memory" for stress based on a "path length" measure in strain space; and 3) maximized dissipation. Their findings should contribute to our understanding of the basic physical properties of mechanics and yield results that can benefit current technology where inelasticity in materials such as metals or polymers presents persistent manufacturing and infrastructural problems. This mechanical engineering research project fulfills the program of objective of advancing basic scientific knowledge by enabling leading experts in the United States and Eastern Europe to combine complementary talents and pool research resources in areas of mutual interest and competence. ??
INT 9515470 Rajagopal 美国的主要目标是-捷克研究项目之间的K。R.匹兹堡大学的Rajagopal和捷克技术大学的Jan Kratochvil将开发一个统一的理论和连贯的模型,可以解释固体材料中的一系列非弹性现象。 具体来说,研究人员打算解决微观结构的细节及其对身体机械性能演变的影响,身体可能具有不止一种无应力配置。 在这个过程中,研究人员计划在这个理论中纳入他们的实验观察:1)位错结构和由于这种位错结构引起的非局部效应; 2)基于应变空间中的“路径长度”测量的应力“衰减记忆”; 3)最大化耗散。 他们的发现应该有助于我们理解力学的基本物理性质,并产生有利于当前技术的结果,其中金属或聚合物等材料的无弹性存在持续的制造和基础设施问题。 该机械工程研究项目通过使美国和东欧的领先专家能够在共同感兴趣和能力的领域联合收割机互补人才和汇集研究资源,实现了推进基础科学知识的目标。 ??

项目成果

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Kumbakonam Rajagopal其他文献

Kumbakonam Rajagopal的其他文献

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{{ truncateString('Kumbakonam Rajagopal', 18)}}的其他基金

Collaborative Research: Strain-limiting Cosserat Rods with Applications to Modeling Biological Fibers
合作研究:应变限制 Cosserat 棒在生物纤维建模中的应用
  • 批准号:
    2307563
  • 财政年份:
    2023
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
EAGER: A Reassessment of the Notion of Damage of Materials
EAGER:对材料损坏概念的重新评估
  • 批准号:
    1647537
  • 财政年份:
    2016
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
Collaborative Research: Coupling System Chemistry and Time-Dependent Deformation of Cementitious Materials through Evolving Thermodynamic States
合作研究:通过演化热力学状态耦合系统化学和胶凝材料随时间的变形
  • 批准号:
    1300500
  • 财政年份:
    2013
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
Workshop: Directions for Undergraduate Education in Mechanics of Solids
研讨会:固体力学本科教育方向
  • 批准号:
    1048910
  • 财政年份:
    2010
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
CDI Type II/Collaborative Research: A New Approach to the Modeling of Clot Formation and Lysis in Arteries
CDI II 型/合作研究:动脉血栓形成和溶解建模的新方法
  • 批准号:
    1028894
  • 财政年份:
    2010
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
REU Site: Interdisciplinary Research on Granular and Particulate Materials
REU 网站:颗粒和颗粒材料的跨学科研究
  • 批准号:
    0851828
  • 财政年份:
    2009
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Continuing Grant
CCLI: Comprehensive Course Redesign: An Introduction to Mechanics of Materials
CCLI:综合课程重新设计:材料力学导论
  • 批准号:
    0837619
  • 财政年份:
    2009
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
Development of a Model for Liquefaction and the Study of the Propagation of Seismic Waves in Fluid Saturated Porous Media
液化模型的建立和流体饱和多孔介质中地震波传播的研究
  • 批准号:
    0301608
  • 财政年份:
    2003
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Continuing Grant
SGER: A Thermomechanical Framework for the Analysis of Liquefaction
SGER:液化分析的热机械框架
  • 批准号:
    0234009
  • 财政年份:
    2002
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant
A study of the dissipative behavior of geomaterials undergoing large deformations
岩土材料大变形耗散行为研究
  • 批准号:
    9987677
  • 财政年份:
    2000
  • 资助金额:
    $ 4.49万
  • 项目类别:
    Standard Grant

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影响男孩学校和职业选择的性别因素:关注捷克共和国的中等教育阶段
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