کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8066071 1520698 2014 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Soft shore protection methods: The use of advanced numerical models in the evaluation of beach nourishment
ترجمه فارسی عنوان
روش های حفاظت ساحل نرم: استفاده از مدل های عددی پیشرفته در ارزیابی تغذیه ساحلی
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی دریا (اقیانوس)
چکیده انگلیسی
Beach nourishment is one of the worldwide most common soft shore protection methods. However, the design of these projects is usually based on empirical equations and rules, leaving large margins of error regarding their expected efficiency. In the present work, an advanced wave and sediment transport numerical model is developed and tested in the evaluation of beach nourishment. Non-linear wave transformation in the surf and swash zone is computed by a non-linear breaking wave model based on the higher order Boussinesq equations, for breaking and non-breaking waves. The new Camenen and Larson (2007), transport rate formula for non-cohesive sediments (involving unsteady aspects of the sand transport phenomenon) is adopted for estimating the sheet flow sediment transport rates, as well as the bed load and suspended load over ripples. Suspended sediment transport rate is incorporated by solving the 2DH depth-integrated transport equation. Model results are compared with experimental data of both profile (cross-shore) and planform morphology evolution; the agreement between the two is considered to be quite satisfactory.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ocean Engineering - Volume 92, 1 December 2014, Pages 129-136
نویسندگان
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