Các Biểu Thức Phân Tích Mới cho Nước Ngầm Hai Chiều Liên Kết với Các Suối Có Mực Nước Biến Đổi

Springer Science and Business Media LLC - Tập 31 - Trang 403-424 - 2016
Iraj Saeedpanah1, Ramin Golmohamadi Azar1
1Department of Civil Engineering, Faculty of Engineering, University of Zanjan, Zanjan, Iran

Tóm tắt

Nghiên cứu này trình bày các biểu thức phân tích mới để phân tích các tương tác giữa các dòng chảy có mực nước khác nhau và một tầng chứa nước bị giam giữ. Mực nước suối được giả định là biến đổi theo hàm mũ theo thời gian. Các biểu thức này được thu được thông qua các phương pháp biến đổi Laplace và Fourier, và các kết quả được xác minh với các kết quả thu được từ MODFLOW. Trên thực tế, chúng tôi đã phát triển một biểu thức phân tích mới để dự đoán mức nước ngầm và lưu lượng trong một tầng chứa nước bị giam tại hai suối có mực nước biến đổi ở biên giới phía bắc và bên phải, và hai biên giới độ cao không đổi ở bên trái và phía nam. Ngoài ra, một ví dụ số được sử dụng để nghiên cứu phản ứng của tầng chứa nước đối với sự thay đổi mực nước suối. Do đó, các tác động của sự biến đổi mức nước của mỗi suối đến lưu lượng tại các biên giới bên trái và phía nam và cũng tại bốn điểm của tầng chứa nước được thảo luận. Cuối cùng, một số biểu thức phân tích mới khác cũng được suy luận cho các loại điều kiện biên khác.

Từ khóa

#hạng nước #tầng chứa nước #biến đổi hàm mũ #phương pháp biến đổi Laplace #phương pháp biến đổi Fourier #MODFLOW

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