NUMERICAL SIMULATION OF WAVES GENERATED BY SHIPS IN SHALLOW WATER

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Rostami Varnousfaaderani Mahmoud; KETABDARI MOHAMMAD JAVAD

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Year:2006 | Issue:7

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Title

NUMERICAL SIMULATION OF WAVES GENERATED BY SHIPS IN SHALLOW WATER

Author(s)

Rostami Varnousfaaderani Mahmoud | KETABDARI MOHAMMAD JAVAD

Keywords

SHIP WAVES

SHALLOW WATER

FAR FIELD

MICHELL’S THIN-SHIP THEORY

Abstract

SHALLOW-WATER SHIP-WAVES, KNOWN AS WASH WAVES, ARE IMPORTANT IN MARINE ENGINEERING. THESE WAVES CAN AFFECT COASTAL STRUCTURES AND CHANGE NEAR-SHORE MORPHOLOGY. THEY CAN ALSO CAUSE DAMAGE TO SHIP ITSELF IN FINITE DEPTH CHANNELS. THERE ARE DIFFERENT THEORETICAL METHODS TO CONSIDER THESE WAVES. IN THIS PAPER SHALLOW-WATER SHIP-WAVES ARE SIMULATED NUMERICALLY. APPLYING MICHELL’S THIN-SHIP THEORY, FLOW FIELD FAR FROM THE SHIP IS INVESTIGATED. THE RELEVANT SHIP IS CONSIDERED THIN AND CHOSEN FROM SERIES 60. THE NUMERICAL SIMULATION IS PERFORMED IN SUBCRITICAL, CRITICAL AND SUPERCRITICAL REGIMES FOR DIFFERENT DEPTH FROUDE NUMBERS, CONSTANT SHIP SPEEDS AND WATER DEPTHS. IN THIS STUDY THE FLOW IS CONSIDERED INCOMPRESSIBLE AND IRROTATIONAL. HOWEVER FOR THE ACCURACY OF SIMULATION THE EFFECT OF EDDY VISCOSITY IS THEN CONSIDERED. FURTHERMORE THE EFFECTS OF THE BOUNDARY LAYER ARE CONSIDERED. THE NUMERICAL RESULTS WERE COMPARED WITH OTHER MODELS AND EXPERIMENTAL RESULTS. IT SHOWED THAT MICHELL’S THIN-SHIP THEORY COULD SIMULATE THIS KIND OF WAVES WITH GRATE ACCURACY AND RELIABILITY.

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APA: Copy

Rostami Varnousfaaderani, Mahmoud, & KETABDARI, MOHAMMAD JAVAD. (2006). NUMERICAL SIMULATION OF WAVES GENERATED BY SHIPS IN SHALLOW WATER. INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). SID. https://sid.ir/paper/907200/en

Vancouver: Copy

Rostami Varnousfaaderani Mahmoud, KETABDARI MOHAMMAD JAVAD. NUMERICAL SIMULATION OF WAVES GENERATED BY SHIPS IN SHALLOW WATER. 2006. Available from: https://sid.ir/paper/907200/en

IEEE: Copy

Mahmoud Rostami Varnousfaaderani, and MOHAMMAD JAVAD KETABDARI, “NUMERICAL SIMULATION OF WAVES GENERATED BY SHIPS IN SHALLOW WATER,” presented at the INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). 2006, [Online]. Available: https://sid.ir/paper/907200/en

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