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Coupled analysis of hose loadings in a tandem              offloading operation            Carlos Eduardo Souza – Research...
Description• Objective: evaluation of hose loads during an offloading operation• System description:    − 269 m FPSO (mean...
Description• Initial vessels positions correspondent to the hose stress free condition                    Tanker          ...
Modeling in SIMA environment1.   Import SIMO sys-files for each of the ships      −    Catenary moored FPSO      −    DP s...
Modeling in SIMA environment1.   Import SIMO sys-files for each of the ships      −    Catenary moored FPSO      −    DP s...
Modeling in SIMA environment1.   Import SIMO sys-files for each of the ships      −    Catenary moored FPSO      −    DP s...
Modeling in SIMA environment1.   Import SIMO sys-files for each of the ships      −    Catenary moored FPSO      −    DP s...
Modeling in SIMA environment1.   Import SIMO sys-files for each of the ships      −    Catenary moored FPSO      −    DP s...
Modeling in SIMA environment1.   Import SIMO sys-files for each of the ships      −    Catenary moored FPSO      −    DP s...
Thank you!Carlos.Souza@marintek.com.br
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SUC Brasil 2012 : Coupled Analysis of Hose Loadings in a Tandem Offloading Operation

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Presented at SUC by Carlos Eduardo Souza from Marintek

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Transcript of "SUC Brasil 2012 : Coupled Analysis of Hose Loadings in a Tandem Offloading Operation"

  1. 1. Coupled analysis of hose loadings in a tandem offloading operation Carlos Eduardo Souza – Research Scientist, MARINTEK do Brasil Rio de Janeiro, 03/12/2012Norwegian Marine Technology Research Institute
  2. 2. Description• Objective: evaluation of hose loads during an offloading operation• System description: − 269 m FPSO (mean load) – catenary mooring system − 269 m DP-Shuttle Tanker (ballasted) − 129.8 m offloading hose• Coupled analysis: Vessels motions Hose loads simulated with simulated with SIMO RIFLEX
  3. 3. Description• Initial vessels positions correspondent to the hose stress free condition Tanker FPSO• DP system leads the tanker to the final position
  4. 4. Modeling in SIMA environment1. Import SIMO sys-files for each of the ships − Catenary moored FPSO − DP shuttle tanker2. Create a RIFLEX coupled task3. Create environment − Current (Vc = 0.5 m/s, α = 155°) − Waves (Hs = 2.5 m, Tp = 9.0 s, β = 170°) − Wind (Vw = 12 m/s, γ = 170º)4. Import RIFLEX input files − Cross section, line type and supernodes for the hose5. Finalize coupled system − Create supernodes on both vessels CG’s. − Make hose supernodes slave of the CG supernodes − Create dummy cross section, dummy line type and dummy lines − Create AR connection for each ship6. Calculation parameters
  5. 5. Modeling in SIMA environment1. Import SIMO sys-files for each of the ships − Catenary moored FPSO − DP shuttle tanker2. Create a RIFLEX coupled task3. Create environment − Current (Vc = 0.5 m/s, α = 155°) − Waves (Hs = 2.5 m, Tp = 9.0 s, β = 170°) − Wind (Vw = 12 m/s, γ = 170º)4. Import RIFLEX input files − Cross section, line type and supernodes for the hose5. Finalize coupled system − Create supernodes on both vessels CG’s. − Make hose supernodes slave of the CG supernodes − Create dummy cross section, dummy line type and dummy lines − Create AR connection for each ship6. Calculation parameters
  6. 6. Modeling in SIMA environment1. Import SIMO sys-files for each of the ships − Catenary moored FPSO − DP shuttle tanker2. Create a RIFLEX coupled task3. Create environment − Current (Vc = 0.5 m/s, α = 155°) − Waves (Hs = 2.5 m, Tp = 9.0 s, β = 170°) − Wind (Vw = 12 m/s, γ = 170º)4. Import RIFLEX input files − Cross section, line type and supernodes for the hose5. Finalize coupled system − Create supernodes on both vessels CG’s. − Make hose supernodes slave of the CG supernodes − Create dummy cross section, dummy line type and dummy lines − Create AR connection for each ship6. Calculation parameters
  7. 7. Modeling in SIMA environment1. Import SIMO sys-files for each of the ships − Catenary moored FPSO − DP shuttle tanker2. Create a RIFLEX coupled task3. Create environment − Current (Vc = 0.5 m/s, α = 155°) − Waves (Hs = 2.5 m, Tp = 9.0 s, β = 170°) − Wind (Vw = 12 m/s, γ = 170º)4. Import RIFLEX input files − Cross section, line type and supernodes for the hose5. Finalize coupled system − Create supernodes on both vessels CG’s. − Make hose supernodes slave of the CG supernodes − Create dummy cross section, dummy line type and dummy lines − Create AR connection for each ship6. Calculation parameters
  8. 8. Modeling in SIMA environment1. Import SIMO sys-files for each of the ships − Catenary moored FPSO − DP shuttle tanker2. Create a RIFLEX coupled task3. Create environment − Current (Vc = 0.5 m/s, α = 155°) − Waves (Hs = 2.5 m, Tp = 9.0 s, β = 170°) − Wind (Vw = 12 m/s, γ = 170º)4. Import RIFLEX input files − Cross section, line type and supernodes for the hose5. Finalize coupled system − Create supernodes on both vessels CG’s. − Make hose supernodes slave of the CG supernodes − Create dummy cross section, dummy line type and dummy lines − Create AR connection for each ship6. Calculation parameters
  9. 9. Modeling in SIMA environment1. Import SIMO sys-files for each of the ships − Catenary moored FPSO − DP shuttle tanker2. Create a RIFLEX coupled task3. Create environment − Current (Vc = 0.5 m/s, α = 155°) − Waves (Hs = 2.5 m, Tp = 9.0 s, β = 170°) − Wind (Vw = 12 m/s, γ = 170º)4. Import RIFLEX input files − Cross section, line type and supernodes for the hose5. Finalize coupled system − Create supernodes on both vessels CG’s. − Make hose supernodes slave of the CG supernodes − Create dummy cross section, dummy line type and dummy lines − Create AR connection for each ship6. Calculation parameters
  10. 10. Thank you!Carlos.Souza@marintek.com.br
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