The impact of the inflow momentum on the transient roll response of a damaged ship

Teemu Manderbacka; Pekka Ruponen

doi:10.1016/j.oceaneng.2016.02.012

The impact of the inflow momentum on the transient roll response of a damaged ship

Teemu Manderbacka (Corresponding Author), Pekka Ruponen

Not published at VTT

Research output: Contribution to journal › Article › Scientific › peer-review

26 Citations (Scopus)

Abstract

Dynamics of an abrupt flooding case are studied by comparing fully dynamic and quasi-static flooding simulation methods. Transient asymmetric flooding is traditionally modelled by dividing the compartment into smaller parts with bulkheads representing different obstructions in the flooded compartment. The implications of this assumption are studied by varying the size of the opening on the dividing bulkhead. The importance of the inflooding jet to the response is shown. The jet i.e. the inflooding momentum flux is modelled as force acting on the lumped mass. When the flooded compartment does not have significant obstructions it is important to account for the inflooding momentum flux.

Original language	English
Pages (from-to)	346-352
Number of pages	7
Journal	Ocean Engineering
Volume	120
DOIs	https://doi.org/10.1016/j.oceaneng.2016.02.012
Publication status	Published - 1 Jul 2016
MoE publication type	A1 Journal article-refereed

Keywords

Damage stability
Dynamic simulation
Transient flooding

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10.1016/j.oceaneng.2016.02.012

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title = "The impact of the inflow momentum on the transient roll response of a damaged ship",

abstract = "Dynamics of an abrupt flooding case are studied by comparing fully dynamic and quasi-static flooding simulation methods. Transient asymmetric flooding is traditionally modelled by dividing the compartment into smaller parts with bulkheads representing different obstructions in the flooded compartment. The implications of this assumption are studied by varying the size of the opening on the dividing bulkhead. The importance of the inflooding jet to the response is shown. The jet i.e. the inflooding momentum flux is modelled as force acting on the lumped mass. When the flooded compartment does not have significant obstructions it is important to account for the inflooding momentum flux.",

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AU - Ruponen, Pekka

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N2 - Dynamics of an abrupt flooding case are studied by comparing fully dynamic and quasi-static flooding simulation methods. Transient asymmetric flooding is traditionally modelled by dividing the compartment into smaller parts with bulkheads representing different obstructions in the flooded compartment. The implications of this assumption are studied by varying the size of the opening on the dividing bulkhead. The importance of the inflooding jet to the response is shown. The jet i.e. the inflooding momentum flux is modelled as force acting on the lumped mass. When the flooded compartment does not have significant obstructions it is important to account for the inflooding momentum flux.

AB - Dynamics of an abrupt flooding case are studied by comparing fully dynamic and quasi-static flooding simulation methods. Transient asymmetric flooding is traditionally modelled by dividing the compartment into smaller parts with bulkheads representing different obstructions in the flooded compartment. The implications of this assumption are studied by varying the size of the opening on the dividing bulkhead. The importance of the inflooding jet to the response is shown. The jet i.e. the inflooding momentum flux is modelled as force acting on the lumped mass. When the flooded compartment does not have significant obstructions it is important to account for the inflooding momentum flux.

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KW - Dynamic simulation

KW - Transient flooding

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VL - 120

SP - 346

EP - 352

JO - Ocean Engineering

JF - Ocean Engineering

ER -

The impact of the inflow momentum on the transient roll response of a damaged ship

Abstract

Keywords

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