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| A NEW APPROACH TO THE SIMULATION OF UNSTEADY SUBCRITICAL FLOW | |
| 引用本文： | Mao Ze-yu(Department of Hydraulic Engineering,Tsinghua University Beijing 100084,P. R. China). A NEW APPROACH TO THE SIMULATION OF UNSTEADY SUBCRITICAL FLOW[J]. 水动力学研究与进展(B辑), 1995, 0(3) |
| 作者姓名： | Mao Ze-yu(Department of Hydraulic Engineering Tsinghua University Beijing 100084 P. R. China) |
| 作者单位： | Department of Hydraulic Engineering，Tsinghua University Beijing 100084，P. R. China |
| 摘 要： | ＡＮＥＷＡＰＰＲＯＡＣＨＴＯＴＨＥＳＩＭＵＬＡＴＩＯＮＯＦＵＮＳＴＥＡＤＹＳＵＢＣＲＩＴＩＣＡＬＦＬＯＷ￥ＭａｏＺｅ－ｙｕ（ＤｅｐａｒｔｍｅｎｔｏｆＨｙｄｒａｕｌｉｃＥｎｇｉｎｅｅｒｉｎｇ，ＴｓｉｎｇｈｕａＵｎｉｖｅｒｓｉｔｙＢｅｉｊｉｎｇ１０００８... |
A NEW APPROACH TO THE SIMULATION OF UNSTEADY SUBCRITICAL FLOW |
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| Mao Ze-yu. A NEW APPROACH TO THE SIMULATION OF UNSTEADY SUBCRITICAL FLOW[J]. Journal of Hydrodynamics, 1995, 0(3) | |
| Authors: | Mao Ze-yu |
| Abstract: | The use of the specified time interval numerical schemes has been popular in applying the method of characteristics to unsteady oped-channel flow problem. Studies and analyses of several variants of those schemes have led to the derivation of a complete set of timeline-interpolation scheme in applying the method of characteristics to Saint-Venant equations. A computer model based upon this scheme has ben successfully developed for predicting free surface unsteady flow, and has been verified by field experiment. Timeline interpolations, where the characteristic lines are projected back before the current time step,demonstrate much less damping than the corresponding spatial interpolation scheme at the same discretization. |
| Keywords: | open-channel flow unsteady flow simulation characteristics method timeline interpolation scheme |
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