Introduction of Nonlinear Properties Into Hierarchical Models of Nb3Sn Strands

被引：3

作者：

Collins, B. ^{[1
]}

Krishnan, J. ^{[1
]}

Arbelaez, D. ^{[1
]}

Ferracin, P. ^{[1
]}

Prestemon, S. O. ^{[1
]}

Godeke, A. ^{[1
]}

Dietderich, D. R. ^{[1
]}

Zohdi, T. I. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2011年 / 21卷 / 03期

关键词：

Elasto-plastic; multiscale modeling; Nb3Sn; superconducting magnets;

D O I：

10.1109/TASC.2010.2091481

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The development of computational models representing Rutherford cable formation and deformation is necessary to investigate the strain state in the superconducting filaments in Nb3Sn magnets. The wide variety of length scales within accelerator magnets suggests usage of a hierarchical structure within the model. As part of an ongoing investigation at LBNL, a three-dimensional simplified nonlinear multiscale model is developed as a way to extend previous linear elastic versions. The inclusion of plasticity models into the problem formulation allows an improved representation of strand behavior compared to the linear elastic model. This formulation is applied to a single Nb3Sn strand to find its effective properties as well as the strain state in the conductor under loading.

引用

页码：2320 / 2323

页数：4

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