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 Q204 Project

»ç ¾÷ ¸í   : Q204 Project
»ç¾÷±â°£ : 2011.10 ~ 2013.08
»ç¾÷Áö¿ª : HHI
¼³°è¹üÀ§ : Basic + Detail + Fab => HVAC


1200t Á¤µµÀÇ HVAC¹°·®À» ¼³°èÇÏ¿´´Ù.
ÇØ¾ç Ư¼ö¼± FPSOÀÇ 12Project¸¦ ¼º°øÀûÀ¸·Î µðÀÚÀÎ ÇÑ
°æÇèÀ» º¸À¯Çϰí ÀÖ´Ù.(½ÇÀû ÂüÁ¶) Depht : 1,325m
Hull size : 310m x 61m x 31m
People : 220 Persons
Weight : 121,860Ton

Q204 LQ Modeling
Q204
Q204 LQ ¡°C¡± Deck Modeling
 
 ¹æ¼öÈÆ·ÃÀåºñ

»ç ¾÷ ¸í   : ¹æ¼öÈÆ·ÃÀåºñ
»ç¾÷±â°£ : 2017.09 ~ 2017.12
»ç¾÷Áö¿ª : µ¿ÇØ / 1ÇÔ´ë»ç·ÉºÎ(ÈÆ·ÃÀü´ë)
¼³°è¹üÀ§ : Detail+Fab.=> STR.+HVAC+Pip+Elec+Outfitting


ÀüÅõ»óȲ¿¡¼­ ÇÔÁ¤ ÇÇ°Ý ¶Ç´Â ÁÂÃÊ µîÀ¸·Î ÇÔÁ¤¿¡ ħ¼ö°¡ ¹ß»ýÇÏ°í º¹¿ø·ÂÀ» »ó½ÇÇÑ »óȲ¿¡¼­, ½ÂÁ¶¿øµéÀÌ ±â°ü½Ç µî °¢ °Ý½Ç¿¡¼­ Å»ÃâÇÏ °Å³ª Áï°¢ÀûÀÎ ¼Õ»óÅëÁ¦ ¹× ÇÇÇØº¹±¸¸¦ ÅëÇØ Â÷ÆóµÈ °Ý½Ç¿¡¼­ »ýÁ¸±â°£ ¿¬ÀåÀ¸·Î ±¸Á¶¸¦ ±â´Ù¸± ¼ö ÀÖµµ·Ï À°»ó¿¡¼­ ¼÷´Þ ÈÆ·ÃÀ» ÇÏ´Â Àåºñ

¹æ¼öÈÆ·ÃÀå Modeling
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 Àü·Ã°øÀå ȯ±â ½Ã½ºÅÛ °³¼±

»ç ¾÷ ¸í   : Àü·Ã°øÀå ȯ±â ½Ã½ºÅÛ °³¼±
»ç¾÷±â°£ : 2017.08 ~ 2018.03
»ç¾÷Áö¿ª : LS-Nikko.µ¿Á¦·Ã 1°øÀå & 2°øÀå
¼³°è¹üÀ§ : Basic + Detail + Fab = > HVAC


ÇÏÀý±â °øÀå ³»ºÎ°¡ °í¿Â´Ù½ÀÇÑ Á¶¾÷ Á¶°Ç¿¡¼­ ÀÛ¾÷À» Çϰí ÀÖÀ¸³ª ´õ¿î ¿­±â¸¦ ÇØ¼Ò ¸øÇÔ. °ø±âÈ帧 °³¼±À» ÅëÇÑ ÇÏÀý±â °øÀå ³» ¿Âµµ °¨¼Ò·Î ÀÛ¾÷ ȯ°æÀÌ °³¼±µÇ¾î Á¶¾÷ ´É·ü ´ëÆø Ç×»ó. ´ëÇü°øÀåÀÇ Æ¯¼º»ó ±â·ù, ¿Âµµ´Â CFD(Computational fluid dynamics)¸¦ ÅëÇØ ÇØ¼® ¹× ¼³°èÇÔ.

°øÀå³»ºÎ ±â·ùÇØ¼®
Àü·Ã°øÀå ¿­È­»ó Ä«¸Þ¶ó
Àü·Ã°øÀå(°¡·Î120m x ¼¼·Î 300m
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 GOLIAT FPSO

»ç ¾÷ ¸í   : GOLIAT FPSO
»ç¾÷±â°£ : 2013. 11 ~ 2015. 03
»ç¾÷Áö¿ª : HHI
¼³°è¹üÀ§ : Basic + Detail + Fab


- ³ë¸£¿þÀÌ ºÏºÎ Hammerfest Áö¿ª¿¡¼­ ºÏ¼­ÂÊÀ¸·Î 85km ¶³¾îÁø Goliat ÇØ»óÀ¯¼±¿¡ ¼³Ä¡.
- ¿øÅëÇü FPSO·Î Á¶·ù, ÆÄµµ, ¹Ù¶÷ µîÀÇ ¿ÜºÎÃæ°ÝÀ» ºÐ»ê½ÃÄÑ ±âÁ¸ ¼±¹ÚÇüº¸´Ù ÇØ»óȯ°æÀÇ ¿µÇâÀÌ °¨¼ÒµÇµµ·Ï ¼³°èµÊ.
- Áö¸§ 112m, ³ôÀÌ 75m, ÀÚüÁß·® 59,000t ±Ô¸ðÀÇ FPSO.

 Web Frame 3D Modeling
 Stress Distribution
  • -  Web Frame 3D Modeling
  •  
  • Total vertical bending moment : applied by rigid element at      fore and rear location.
  • Total Shear force : applied at the intersection of shell plating      or bulkhead and deck plating.
  • Buoyancy : applied at bottom plating as pressure.
  • Modeled weight : applied as inertia load.
  •  
  •  
  • -  Stress Distribution
  •  
  • Overall stress distribution in shown as below.
  •  Web Frame Stress Value
     Web Frame Stress Value
  • -  Web Frame Stress Value
  •  
  • The resultant von-mises stress is obtained as 290N/mm2.
  • This Value is less than the allowable stress(320.6N/mm2), then the ratio is 9/10.
  •  
  • -  Web Frame Stress Value
  •  
  • The deflection shape is shown as below.
  •  MOORING STRENGTH ANALYSYS
  •     - Methodology

  • In the initial phase of the study, the study parameter and methodology shown in this document may be modified during the course of the study.
  •  
  •     - Mooring and Riser Arrangements

  • The riser and mooring system modeled in Deeplines is shown as below.
  •     - Model Coordinate System

  • The model for Diodore and Deeplines follow same coordinate system.
  • The coordinate system for Diodore and Deeplines are shownas below.

  • The heading of environmental components such as wind, wave, and current follow ¡°going to¡± convention.
  •     - Mooring line properties

  • The mooring line properties are shown as below.
  • Category Unit Top Chain Wire Bottom Chain
    Component Type   Studless 6-Strand Studless
    Diameter mm 114 127 114
    Grade   R3 EIPS R3
    Breaking Load N 1.01.E+07 9.96.E+06 1.01.E+07
    Lineic Mass kg/m 260 70.6 260
    submerged Weight N/m 2219 603 2219
    Axial Stiffness N 1.11.E+09 6.51.E+08 1.11.E+09
     Partially / Fully Coupled Analysis
  • -  Partially / Fully Coupled Analysis
  •  
  • The tension results from the 0 environmental heading are shown as below.
  • Effective Tension [kN]
      Mean Max
      Partially
    Coupled
    Fully
    Coupled
    Difference Partially
    Coupled
    Fully
    Coupled
    Difference
    ML01* 2048.9 2015.3 2% 2884.7 2574.4 11%
    ML02* 2071.5 2038.0 2% 2906.6 2591.3 11%
    ML03* 2101.0 2067.5 2% 2943.7 2614.2 11%
    ML04* 2906.7 2884.7 1% 4087.2 3569.9 13%
    ML05* 2959.2 2937.3 1% 4318.6 3672.9 15%
    ML06* 3015.9 2994.0 1% 4585.5 3789.1 17%
    ML07* 2995.9 2973.3 1% 4559.7 3776.5 17%
    ML08* 2936.8 2914.1 1% 4292.0 3653.1 15%
    ML09* 2882.2 2859.3 1% 4060.8 2597.2 11%
    ML10* 2088.1 2054.5 2% 2928.4 2597.2 11%
    ML11* 2059.6 2026.0 2% 2889.4 2575.9 11%
    ML12* 2038.0 2004.2 2% 2863.1 2558.9 11%
    R1** 294.1 293.2 0% 423.9 367.9 13%
    R2** 375.7 374.4 0% 564.4 484.3 13%
    R3** 616.9 614.8 0% 940.8 801.1 15%
    R4** 640.9 638.9 0% 1008.2 850.4 16%
    * Effective tension at ArcLength 0.5
    ** Effective tension at ArcLength 0.3
    Axial Stress[MPa]
      Mean Max
      Partially
    Coupled
    Fully
    Coupled
    Difference Partially
    Coupled
    Fully
    Coupled
    Difference
    R1** 9.02 8.99 0% 12.99 11.28 13%
    R2** 7.12 7.10 0% 10.70 9.18 14%
    R3** 7.22 7.20 0% 11.01 9.38 15%
    R4** 5.34 5.41 0% 8.54 7.20 16%
    *** Axial Stress at Ardength 3.9
  • Maximum line tension for all headings in 10-year return period.
  • The maximum line tension, axial stress, and bending stress are show as below.
  • Riser# Max Line Tension Max Axial Stress; Max Bending Stress
    [kN] [MPa] [MPa]
    1 446 13.7 0.07
    2 586 11.1 0.16
    3 899 10.5 0.22
    4 1009 8.5 0.26
  • The mean and maximum vessel offsets are shown as below.
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