Potential assessment of cargo liquefaction based on an UBC3D-PLM model

Lei Ju, Dracos Vassalos

Research output: Contribution to conference › Paper

Abstract

Fluidization of fine particle cargoes, resulting in cargo shift and loss of stability, has caused the loss of many lives in numerous marine casualties over the past decades. Since the dangers of cargo fluidization have long been known to the shipping industry, the question of why the phenomenon is resurfacing now would be a legitimate one. With this in mind, an UBC3D-PLM model based on FEM theory in the commercial software PLAXIS is presented in this paper to consider soil DSS (Direct Simple Shear) test to verify the model. To assess the cargo fluidization potential, an evaluating method is presented in the paper considering cargo fluidization. Shaking table tests with different amplitude, frequency and initial degree of saturation of cargos were studied to predict time-domain characteristics. This method in the paper could be feasibly used as a reference and possibly support a suitable regulatory framework to the fluidization analysis of ship stability.
LanguageEnglish
Pages1123-1131
Number of pages9
Publication statusPublished - 19 Jun 2015
Event12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015) - University of Strathclyde, Glasgow, United Kingdom
Duration: 14 Jun 2015 → 19 Jun 2015

Conference

Conference12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015)
CountryUnited Kingdom
CityGlasgow
Period14/06/15 → 19/06/15

Fingerprint

Fluidization
Liquefaction
Freight transportation
Ships
Soils
Finite element method
Industry

Keywords

  • cargo liquefaction
  • UBC3D-PLM
  • ship stability

Cite this

Ju, L., & Vassalos, D. (2015). Potential assessment of cargo liquefaction based on an UBC3D-PLM model. 1123-1131. Paper presented at 12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015), Glasgow, United Kingdom.
Ju, Lei ; Vassalos, Dracos. / Potential assessment of cargo liquefaction based on an UBC3D-PLM model. Paper presented at 12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015), Glasgow, United Kingdom.9 p.
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Ju, L & Vassalos, D 2015, 'Potential assessment of cargo liquefaction based on an UBC3D-PLM model' Paper presented at 12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015), Glasgow, United Kingdom, 14/06/15 - 19/06/15, pp. 1123-1131.

Potential assessment of cargo liquefaction based on an UBC3D-PLM model. / Ju, Lei; Vassalos, Dracos.

2015. 1123-1131 Paper presented at 12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015), Glasgow, United Kingdom.

Research output: Contribution to conference › Paper

TY - CONF

T1 - Potential assessment of cargo liquefaction based on an UBC3D-PLM model

AU - Ju, Lei

AU - Vassalos, Dracos

PY - 2015/6/19

Y1 - 2015/6/19

N2 - Fluidization of fine particle cargoes, resulting in cargo shift and loss of stability, has caused the loss of many lives in numerous marine casualties over the past decades. Since the dangers of cargo fluidization have long been known to the shipping industry, the question of why the phenomenon is resurfacing now would be a legitimate one. With this in mind, an UBC3D-PLM model based on FEM theory in the commercial software PLAXIS is presented in this paper to consider soil DSS (Direct Simple Shear) test to verify the model. To assess the cargo fluidization potential, an evaluating method is presented in the paper considering cargo fluidization. Shaking table tests with different amplitude, frequency and initial degree of saturation of cargos were studied to predict time-domain characteristics. This method in the paper could be feasibly used as a reference and possibly support a suitable regulatory framework to the fluidization analysis of ship stability.

AB - Fluidization of fine particle cargoes, resulting in cargo shift and loss of stability, has caused the loss of many lives in numerous marine casualties over the past decades. Since the dangers of cargo fluidization have long been known to the shipping industry, the question of why the phenomenon is resurfacing now would be a legitimate one. With this in mind, an UBC3D-PLM model based on FEM theory in the commercial software PLAXIS is presented in this paper to consider soil DSS (Direct Simple Shear) test to verify the model. To assess the cargo fluidization potential, an evaluating method is presented in the paper considering cargo fluidization. Shaking table tests with different amplitude, frequency and initial degree of saturation of cargos were studied to predict time-domain characteristics. This method in the paper could be feasibly used as a reference and possibly support a suitable regulatory framework to the fluidization analysis of ship stability.

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Ju L, Vassalos D. Potential assessment of cargo liquefaction based on an UBC3D-PLM model. 2015. Paper presented at 12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015), Glasgow, United Kingdom.

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