期刊
JOURNAL OF RHEOLOGY
卷 57, 期 2, 页码 647-678出版社
JOURNAL RHEOLOGY AMER INST PHYSICS
DOI: 10.1122/1.4789786
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资金
- Korea Science and Engineering Foundation (KOSEF)
- Korea government (MEST) [R01-2008-000-20171-0]
- Kyungpook National University Research Fund
- National Research Foundation of Korea [R01-2008-000-20171-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
An algorithm was developed for the continuous spectrum of linear viscoelasticity. The algorithm is free from the possibility of negative relaxation intensity whereas most previous algorithms suffer from the problem. The algorithm is not only simpler than the nonlinear regularization of Honerkamp and Weese [Rheol. Acta 32, 65-73 (1993)] but is also as accurate as the nonlinear regularization. The basic concept of the algorithm is to use a fixed-point iteration, which transforms the initial spectrum to a new one that is closer to the least-square solution. The iteration algorithm regularizes the errors in data in a different manner of conventional regularization. (C) 2013 The Society of Rheology. [http://dx.doi.org/10.1122/1.4789786]
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