| Zou Zhili,Wang Tao,Zhang Xiaoli,Darren Spratt. 2003. One-dimensional numerical models of higher-order Boussinesq equations with high dispersion accuracy. Acta Oceanologica Sinica, (2):287－299 |
| One-dimensional numerical models of higher-order Boussinesq equations with high dispersion accuracy |
| One-dimensional numerical models of higher-order Boussinesq equations with high dispersion accuracy |
| Received:April 12, 2002 Revised:August 20, 2002 |
| DOI： |
| Key words:Water waves Boussinesq nonlinear dispersion |
| 中文关键词: Water waves Boussinesq nonlinear dispersion |
| 基金项目: |
| Author Name | Affiliation | | Zou Zhili | State Key Laboratory of Coastal and Offshore Engineering, Department of Civil Engineering, Dalian University of Technology, Dalian 116024, China | | Wang Tao | State Key Laboratory of Coastal and Offshore Engineering, Department of Civil Engineering, Dalian University of Technology, Dalian 116024, China | | Zhang Xiaoli | State Key Laboratory of Coastal and Offshore Engineering, Department of Civil Engineering, Dalian University of Technology, Dalian 116024, China | | Darren Spratt | Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Champaign, USA |
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| Abstract: |
| Nonlinear water wave propagation passing a submerged shelf is studied experimentally and numerically. The applicability of the wave propagation model of higher-order Boussinesq equations derived by Zou (2000, Ocean Engineering, 27, 557~575) is investigated. Physical experiments are conducted; three different front slopes (1:10, 1:5 and 1:2) of the shelf are set-up in the experiment and their effects on the wave propagation are investigated. Comparisons of the numerical results with test data are made and the higher-order Boussinesq equations agree well with the measurements since the dispersion of the model is of high accuracy. The numerical results show that the good results can also be obtained for the steep-slope cases although the mild-slope assumption is employed in the derivation of the higher-order terms in the higher-order Boussinesq equations. |
| 中文摘要: |
| Nonlinear water wave propagation passing a submerged shelf is studied experimentally and numerically. The applicability of the wave propagation model of higher-order Boussinesq equations derived by Zou (2000, Ocean Engineering, 27, 557~575) is investigated. Physical experiments are conducted; three different front slopes (1:10, 1:5 and 1:2) of the shelf are set-up in the experiment and their effects on the wave propagation are investigated. Comparisons of the numerical results with test data are made and the higher-order Boussinesq equations agree well with the measurements since the dispersion of the model is of high accuracy. The numerical results show that the good results can also be obtained for the steep-slope cases although the mild-slope assumption is employed in the derivation of the higher-order terms in the higher-order Boussinesq equations. |
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