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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국지능시스템학회 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS Vol.18 No.4
- 발행연도
- 2018.12
- 수록면
- 237 - 244 (8page)
- DOI
- 10.5391/IJFIS.2018.18.4.237
이용수
초록· 키워드
오류제보하기
Manning formula is one of the most famous functions used in hydraulics and hydrology, which calculates the average flow velocity based on roughness coefficient, hydraulic radius, and slope. This study intends to improve the original formula by minimizing the deviation error between calculated flow velocity and observed one. The first improvement approach was to estimate the exponent values of hydraulic radius and slope, instead of using current 2/3 and 1/2, while fixing the roughness value. When logarithm-converted multiple linear regression, calculus-based BFGS technique, and meta-heuristic genetic algorithm were applied to the problem, genetic algorithm found the best exponent values in terms of sum of squares error and coefficient of determination. The second approach was to estimate the individual roughness value, instead of a constant one, which is the function of hydraulic radius and slope. When multiple linear regression, artificial neural network with BFGS, and artificial neural network with genetic algorithm tackled the problem, the latter found the best solution. We hope these approaches will be utilized more practically in the future.
목차
Abstract
1. Introduction
2. Improvement of the Formula with Fixed Roughness Coefficient
3. Improvement of the Formula with Varied Roughness Coefficient
4. Discussions
5. Conclusions
References
참고문헌 (24)
참고문헌 신청
[단행본] - H. Chanson / 2004 / The Hydraulics of Open Channel Flow: An Introduction / Elsevier
[인터넷자원] - R. Czachorski / / Manning’s equation the details behind this highly versatile formula
[학술지(정기간행물)] - Rob Ferguson / 2010 / Time to abandon the Manning equation? / Earth Surface Processes and Landforms 35 (15) : 1873 ~ 1876
[인터넷자원] - Wikipedia / / Manning formula
[단행본] - L. W. Mays / 2005 / Water Resources Engineering / John Wiley & Sons
[인터넷자원] - R. Czachorski / / Manning’s equation the details behind this highly versatile formula
[학술지(정기간행물)] - Rob Ferguson / 2010 / Time to abandon the Manning equation? / Earth Surface Processes and Landforms 35 (15) : 1873 ~ 1876
[인터넷자원] - Wikipedia / / Manning formula
[단행본] - L. W. Mays / 2005 / Water Resources Engineering / John Wiley & Sons
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UCI(KEPA) : I410-ECN-0101-2019-003-000309424