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热-力耦合原子-连续关联模型的框架及其算法

李辉 崔俊芝 李博文

李辉, 崔俊芝, 李博文. 热-力耦合原子-连续关联模型的框架及其算法[J]. 应用数学和力学, 2015, 36(4): 343-351. doi: 10.3879/j.issn.1000-0887.2015.04.001
引用本文: 李辉, 崔俊芝, 李博文. 热-力耦合原子-连续关联模型的框架及其算法[J]. 应用数学和力学, 2015, 36(4): 343-351. doi: 10.3879/j.issn.1000-0887.2015.04.001
LI Hui, CUI Jun-zhi, LI Bo-wen. A Thermo-Mechanical Coupling Atom-Continuum Coupled Model and Its Algorithm[J]. Applied Mathematics and Mechanics, 2015, 36(4): 343-351. doi: 10.3879/j.issn.1000-0887.2015.04.001
Citation: LI Hui, CUI Jun-zhi, LI Bo-wen. A Thermo-Mechanical Coupling Atom-Continuum Coupled Model and Its Algorithm[J]. Applied Mathematics and Mechanics, 2015, 36(4): 343-351. doi: 10.3879/j.issn.1000-0887.2015.04.001

热-力耦合原子-连续关联模型的框架及其算法

doi: 10.3879/j.issn.1000-0887.2015.04.001
基金项目: 国家重点基础研究发展计划(973计划)(2012CB025904)
详细信息
    作者简介:

    李辉(1988—), 女, 湖南人, 博士生(通讯作者. E-mail: lihui@lsec.cc.ac.cn);崔俊芝(1938—), 男, 河南人, 工程院院士, 研究员(E-mail: cjz@lsec.cc.ac.cn);李博文(1987—), 男, 江苏人, 研究员, 博士(E-mail: libowen@lsec.cc.ac.cn).

  • 中图分类号: O344.1

A Thermo-Mechanical Coupling Atom-Continuum Coupled Model and Its Algorithm

Funds: The National Basic Research Program of China (973 Program)(2012CB025904)
  • 摘要: 对热-力耦合的原子-连续关联模型进行了系统研究,给出了计及热-力耦合行为的金属微-纳米构件内材料的瞬态弹性常数,应力、应变、比热容等物理量的具体计算公式及其算法.利用原子运动中的“结构形变”部分来研究微-纳米尺度下多晶原子团簇的非均匀结构变形.将原子团簇晶格结构的变形与连续体的变形关联起来,在准简谐近似假设下,推导出依赖于微观结构变形和热振动的自由能密度、熵密度、内能密度表达式,从而给出了微-纳米尺度下的瞬态热-力学参数.
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出版历程
  • 收稿日期:  2014-09-24
  • 修回日期:  2015-03-09
  • 刊出日期:  2015-04-15

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