A NUMERICAL MODEL OF STORM SURGE AND WIND INDUCED CURRENTS IN CASPIAN SEA

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MAHDI ZADEH M.M.; BANNAZADEH MAHANI M.; TORABI AZAD M.; MANSOURI D.; MOGHIMI S.

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Journal: JOURNAL OF MARINE SCIENCES AND TECHNOLOGY Year:2002 | Volume:1 | Issue:3 Page(s): 45-56

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Title

A NUMERICAL MODEL OF STORM SURGE AND WIND INDUCED CURRENTS IN CASPIAN SEA

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Keywords

TWO-DIMENSIONAL MODELQ4

STONN SURGEQ4

CASPIAN SEAQ2

FINITE DIFFERENCEQ4

FULLY IMPLICITQ4

VARIABLE GRIDQ4

CURRENT FIELDSQ4

WATER SURFACE ELEVATIONQ4

Abstract

An efficient numerical model is applied to estimate the detailed storm surge in the CASPIAN SEA. This model uses an economic FULLY IMPLICIT FINITE DIFFERENCE shame and VARIABLE GRID size to solve the depth-averaged equations of motion and the continuity equation. Terms of atmospheric pressure gradient, wind stresses, tidal force, bottom and lateral friction, coriolis force and convective acceleration are all included. Also, this model is included wetting and draining for cells. Thus this can be used to simulate tidal circulation, storm surge and shear induced flow. A VARIABLE GRID system was used to give better resolution at specified subareas. Model can be easily maintained and adopted for other applications. The model can be run on a personal computer with sufficient efficiency. For the nonlinear system used in this study, the time increment must be determined by experience, and, in general, it is much larger than the time increment used in an explicit scheme. However, one should be careful not to choose too large time increment to misrepresent the variation of applied forces. This model also provides a basic framework for future study on wave induced current because the radiation stress terms can be added into the equations of motion and solved similarly. This paper presents the basic algorithm and the application of this model in the CASPIAN SEA for estimate wind induced currents and storm surge with including conditions of the CASPIAN SEA.

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APA: Copy

MAHDI ZADEH, M.M., BANNAZADEH MAHANI, M., TORABI AZAD, M., MANSOURI, D., & MOGHIMI, S.. (2002). A NUMERICAL MODEL OF STORM SURGE AND WIND INDUCED CURRENTS IN CASPIAN SEA. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, 1(3), 45-56. SID. https://sid.ir/paper/74538/en

Vancouver: Copy

MAHDI ZADEH M.M., BANNAZADEH MAHANI M., TORABI AZAD M., MANSOURI D., MOGHIMI S.. A NUMERICAL MODEL OF STORM SURGE AND WIND INDUCED CURRENTS IN CASPIAN SEA. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY[Internet]. 2002;1(3):45-56. Available from: https://sid.ir/paper/74538/en

IEEE: Copy

M.M. MAHDI ZADEH, M. BANNAZADEH MAHANI, M. TORABI AZAD, D. MANSOURI, and S. MOGHIMI, “A NUMERICAL MODEL OF STORM SURGE AND WIND INDUCED CURRENTS IN CASPIAN SEA,” JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, vol. 1, no. 3, pp. 45–56, 2002, [Online]. Available: https://sid.ir/paper/74538/en

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