Öz
In this study, analytical and Artificial Neural Network (ANN) models’ output of the discharge value, passing over Ogee Spillways, were compared. For this aim, a flume having 7.5 cm width, 15 cm depth and 5 m length, was used in the laboratory. Discharge values above the spillway were measured for different heads. Discharge values were also computed by the formula for the measured heads. An ANN model was set by using the experimental results in order to estimate the discharge value. So, the performance of the ANN model was investigated. As the result, it was seen that ANN model produced very successful output.
Anahtar Kelimeler
Kaynakça
- Azamathulla, H., Md., Deo, M. C., Deolalikar, P. B., 2008, “Alternative Neural Networks to Estimate the Scour Below Spillways”, Advances in Engineering Software, Vol. 39, pp. 689-698.
- Chitsazan, N., Nadiri, A. A., Tsai, F. T. C., 2015, “Prediction and Structural Uncertainty Analyses of Artificial Neural Networks Using Hierarchical Bayesian Model Averaging”, Journal of Hydrology, Vol. 528, pp. 52–62.
- Cybenko, G., 1989, “Approximations by Superpositions of A Sigmoidal Function”, Mathematics of Control, Signals, and Systems, Vol. 2 (4), pp. 303–314.
- Dorum, A., Yarar, A., Sevimli, M. F., Onüçyildiz, M., 2010, “Modelling The Rainfall–Runoff Data of Susurluk Basin”, Expert Systems with Applications, Vol. 37 (9), pp. 6587–6593.
- Salmasi, F., Özger, M., 2014, “Neuro-Fuzzy Approach for Estimating Energy Dissipation in Skimming Flow over Stepped Spillways”, Arabian Journal for Science & Engineering, Vol. 39, pp. 6099–6108.
- Sanchez, J. M., Pomares, J., Dolz, J., “Pressure Field in Skimming Flow over A Stepped Spillway”, In: Proceedings, International Workshop on Hydraulics of Stepped Spillways, Zurich, Switzerland, 2000.
- Savage, B. M., Johnson, M. C., 2001, “Flow over Ogee Spillway: Physical and Numerical Model Case Study”, Journal of Hydraulic Engineering, ASCE, Vol. 127(8), pp. 640–649.
- Song, C., Zhou, F., 1999, “Simulation of Free Surface Flow over Spillway”, Journal of Hydraulic Engineering, ASCE, Vol. 125(9), pp. 959–967.
- USBR, 1987, Design of Small Dams, Third Edition, Washington: Water Resources Technical Publication.
Öz
Bu çalışmada Ogee tipi bağlamalar üzerinden geçen debilerin analitik ve yapay sinir ağları model sonuçları karşılaştırılmıştır. Bunun için 7.5 cm genişliğinde, 15 cm yüksekliğinde ve 5 m uzunluğunda bir açık kanal düzeneği kullanılmıştır. Kullanılan düzenekte farklı savak yükleri geçmesi durumunda debiler ölçülmüş ve bu debiler formül kullanılarak da hesaplanmıştır. Ayrıca deneyden elde edilen sonuçlar ile yapay sinir ağları modeli kurularak debiler tahmin edilmiş ve modelin performansı araştırılmıştır. Elde edilen sonuçlara göre yapay sinir ağları modeli oldukça tatmin edici sonuçlar vermiştir.
Anahtar Kelimeler
Kaynakça
- Azamathulla, H., Md., Deo, M. C., Deolalikar, P. B., 2008, “Alternative Neural Networks to Estimate the Scour Below Spillways”, Advances in Engineering Software, Vol. 39, pp. 689-698.
- Chitsazan, N., Nadiri, A. A., Tsai, F. T. C., 2015, “Prediction and Structural Uncertainty Analyses of Artificial Neural Networks Using Hierarchical Bayesian Model Averaging”, Journal of Hydrology, Vol. 528, pp. 52–62.
- Cybenko, G., 1989, “Approximations by Superpositions of A Sigmoidal Function”, Mathematics of Control, Signals, and Systems, Vol. 2 (4), pp. 303–314.
- Dorum, A., Yarar, A., Sevimli, M. F., Onüçyildiz, M., 2010, “Modelling The Rainfall–Runoff Data of Susurluk Basin”, Expert Systems with Applications, Vol. 37 (9), pp. 6587–6593.
- Salmasi, F., Özger, M., 2014, “Neuro-Fuzzy Approach for Estimating Energy Dissipation in Skimming Flow over Stepped Spillways”, Arabian Journal for Science & Engineering, Vol. 39, pp. 6099–6108.
- Sanchez, J. M., Pomares, J., Dolz, J., “Pressure Field in Skimming Flow over A Stepped Spillway”, In: Proceedings, International Workshop on Hydraulics of Stepped Spillways, Zurich, Switzerland, 2000.
- Savage, B. M., Johnson, M. C., 2001, “Flow over Ogee Spillway: Physical and Numerical Model Case Study”, Journal of Hydraulic Engineering, ASCE, Vol. 127(8), pp. 640–649.
- Song, C., Zhou, F., 1999, “Simulation of Free Surface Flow over Spillway”, Journal of Hydraulic Engineering, ASCE, Vol. 125(9), pp. 959–967.
- USBR, 1987, Design of Small Dams, Third Edition, Washington: Water Resources Technical Publication.
Ayrıntılar
| Birincil Dil | İngilizce |
|---|---|
| Konular | Mühendislik |
| Bölüm | Makaleler |
| Yazarlar | |
| Yayımlanma Tarihi | 1 Eylül 2017 |
| Yayımlandığı Sayı | Yıl 2017 Cilt: 5 Sayı: 3 |