The Definition Method and Optimization of Atomic Strain Tensors for Nuclear Power Engineering Materials
Joint Authors
Sheng, Ying
Zeng, Xiang-guo
Chen, Huayan
Han, Tixin
Source
Science and Technology of Nuclear Installations
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-08-18
Country of Publication
Egypt
No. of Pages
9
Abstract EN
A common measure of deformation between atomic scale simulations and the continuum framework is provided and the strain tensors for multiscale simulations are defined in this paper.
In order to compute the deformation gradient of any atom m , the weight function is proposed to eliminate the different contributions within the neighbor atoms which have different distances to atom m , and the weighted least squares error optimization model is established to seek the optimal coefficients of the weight function and the optimal local deformation gradient of each atom.
The optimization model involves more than 9 parameters.
To guarantee the reliability of subsequent parameters identification result and lighten the calculation workload of parameters identification, an overall analysis method of parameter sensitivity and an advanced genetic algorithm are also developed.
American Psychological Association (APA)
Zeng, Xiang-guo& Sheng, Ying& Chen, Huayan& Han, Tixin. 2016. The Definition Method and Optimization of Atomic Strain Tensors for Nuclear Power Engineering Materials. Science and Technology of Nuclear Installations،Vol. 2016, no. 2016, pp.1-9.
https://search.emarefa.net/detail/BIM-1118555
Modern Language Association (MLA)
Zeng, Xiang-guo…[et al.]. The Definition Method and Optimization of Atomic Strain Tensors for Nuclear Power Engineering Materials. Science and Technology of Nuclear Installations No. 2016 (2016), pp.1-9.
https://search.emarefa.net/detail/BIM-1118555
American Medical Association (AMA)
Zeng, Xiang-guo& Sheng, Ying& Chen, Huayan& Han, Tixin. The Definition Method and Optimization of Atomic Strain Tensors for Nuclear Power Engineering Materials. Science and Technology of Nuclear Installations. 2016. Vol. 2016, no. 2016, pp.1-9.
https://search.emarefa.net/detail/BIM-1118555
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1118555