Prediction of Mean Velocityin Open Channel Intakeand RiversUsing Gene Expression Programming

  • سال انتشار: 1394
  • محل انتشار: کنفرانس بین المللی علوم، مهندسی و فناوری های محیط زیست
  • کد COI اختصاصی: CESET01_359
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 857
دانلود فایل این مقاله

نویسندگان

Sohrab karimi

M.Sc.Student, Department of Civil Engineering, RaziUniversity, Kermanshah, Iran

Hossein Bonakdari

Associate Professor, Department of Civil Engineering, Razi University, Kermanshah, Iran

Isa Ebtehaj

Ph.D. Candidate, Department of Civil Engineering, Razi University, Kermanshah, Iran

AmirHossein Zaji

Ph.D. Candidate, Department of Civil Engineering, Razi University, Kermanshah, Iran

چکیده

Diversion channels are widely used in environmental and hydraulic engineering. One of the important issues in designing such channels is to determine the mean velocity or the discharge of the flow passing through them. The aim of this study is to predict the flow mean velocity in different widths of the intake channel (the branch channel width to the main hannel) through the use of Gene Expression Programming (GEP). Taking into consideration the fact that the experimental results are available forone width ratio, the experimental model of an intake has first been simulated for a similar width ratio in the channel (W*b/W*m=1)through three dimensional modeling. The results of the carried out verification MAPE=5% RMSE=0.017) indicates the significant accuracy of the results obtained from the three dimensional modeling. Following that the numerical model was executed for (W*b/W*m=0.6, 0.8, 1.2, 1.4) width ratios in order to redict the flow mean velocity in other width ratios and a part of the numerical results were considered as the input of GEP and another part was used to verify the used model. The results of the statistical indexes used to xamine the accuracy of this model quantitatively (RMSE=0.0231 & MAPE=5.54) indicate the high accuracy of the presented model in prediction the flow mean velocity in an open channel intake.

کلیدواژه ها

Diversion channels, the mean velocity,different widths,Gene Expression Programming

مقالات مرتبط جدید

اطلاعات بیشتر در مورد COI

COI مخفف عبارت CIVILICA Object Identifier به معنی شناسه سیویلیکا برای اسناد است. COI کدی است که مطابق محل انتشار، به مقالات کنفرانسها و ژورنالهای داخل کشور به هنگام نمایه سازی بر روی پایگاه استنادی سیویلیکا اختصاص می یابد.

کد COI به مفهوم کد ملی اسناد نمایه شده در سیویلیکا است و کدی یکتا و ثابت است و به همین دلیل همواره قابلیت استناد و پیگیری دارد.