摘要
"贴体正交曲线差分法"因计算水量不守恒,使其在溃坝洪水演进计算产生不可忽略的误差,严重时会引起计算结果失效。提出"总体水量守恒校正法"概念和方法,克服了"贴体正交曲线差分法"水量不守恒的缺点,使其成为溃坝洪水演进计算的实用方法。该方法在实际水库溃坝洪水演进计算中得到成功地应用,表明"总体水量守恒校正法"的正确性和可行性。
The orthogonal body-fitted curve finite difference method has the defects of the nonconservation of the water quantity in the calculation and caused innegligible error and even failure of the calculation. The concept and method of “General Water Quantity Conservation Calibration” has been figured out to repair the defect of the water nonconservation by the orthogonal body-fitted curve finite difference method and made it more feasible to calculate the dam breaking flood evolution. The successful application of this method in the dam-breaking flood evolution has proved the accuracy and feasibility of “General Water Quantity Conservation Calibration” Method.
出处
《人民珠江》
2009年第3期41-42,70,共3页
Pearl River
关键词
水量守恒
溃坝洪水
差分法
洪水演进
water quantity conservation
dam-breaking flood
finite difference method
flood water evolution
