spanning

sp2_10 Release Note Project: Date: 14/05/2014 Calculations by using 169 seastates References: Verified by h [m] 90 f o (in-line) 0.738 ζ struc 0.005 m 1 3 L [m] 35.6 f o (cr-flow) 0.804 ζ soil (in-line) 0.026 m 2 5 η 0.50 e [m] 0.55 A in (in-line) 345 ζ soil (cr-flow) 0.018 Log(C 1 ) 11.146 γ k 1.15 d [m] 0 A cr (cr-flow) 358 ζ h,RM 0.000 Log(C2) 14.576 γ f,IL(inline) 1.10 θ pipe 30.0 λ max 811 K S (in-line) 0.75 logN sw 6.00 γ f,CF(cr-flow) 1.10 Programmed by DNV Deep Water Technology Kim Mørk, Olav Fyrileiv Version V10.7-02 FATFREE and Knut Vedeld FATIGUE ANALYSIS OF FREE SPANNING PIPELINES Safety Factors Support: [email protected] Response Data Soil Properties SN-Curves Current Modelling Free Span Scenario FATFREE COMPLETED Calculation options Return Period Values Directionality Code Current Sheet Name Current Template Damage distribution vs direction Flat sea-bed RP-F105 Span Sand - Loos e F3 (seawater cp) NORMAL Well defined Single-mode RP-F105 Automatic Generated Discrete - C dir. Uc pdf - RPV U PDATE SHEET OPTIONS OPEN CASE CALCULATE SPAN RUNS USER HELP PRINT RESULTS SAVE CASE θ pipe 30.0 λ max 811 K S (in-line) 0.75 logN sw 6.00 γ f,CF(cr-flow) 1.10 D [m] 0.549 δ/D 0.51 K S (cr-flow) 0.55 S 0 [MPa] 0.00 γ S 1.30 L/D s 78 S eff /P E -0.38 K V 1.561E+07 SCF 1.08 γ on,IL 1.10 K L 1.174E+07 γ on,CF 1.20 K V,S 2.500E+05 Ψ R 1.00 k c 0.00 H eff [N] 2.29E+05 D s 0.4572 ν 0.30 ρ steel 7850 f cn (MPa) 45 p [bar] 137.89 t steel 0.0127 α [ o C -1 ] 1.17E-05 ρ concrete 3043 ΔT [ o C] 0 t concrete 0.0400 E [N/m 2 ] 2.07E+11 ρ coating 1300 t coating 0.0060 C D (current) 1.45 ρ cont 60 5.59E+01 yrs 2.17E+04 yrs Peak Von Mises Peak Von Mises σ σ σ x (1 year) 0.0 235.0 σ σ σ x (1 year) 20.9 211.1 1.13E+03 yrs σ σ σ x (10 year) 0.0 235.0 σ σ σ x (10 year) 29.6 216.5 5.33E+01 yrs σ σ σ x (100 year) 16.5 244.6 σ σ σ x (100 year) 32.6 221.4 Wave Template RESULTS Densities [kg/m 3 ] In-line (Combined) In-line (Force Model) STRUCTURAL MODELLING Inline Coating data Functional Loads FATIGUE LIFE DYNAMIC STRESS [MPa] Pipe Dimensions [m] In-line (Response Model) Cross-Flow Constants Cross-flow Wave Modelling Wave Sheet Name 0,0 0,2 0,4 0,6 0,8 1,0 1,2 0 50 100 150 200 250 300 350 θ θ θ Damage distribution vs direction RM (In-Line) FM (In-Line) Cross-Flow Comb.(In-Line) 0,0 1,0 2,0 3,0 4,0 5,0 6,0 7,0 0,0 0,2 0,4 0,6 0,8 1,0 pdf for omnidirectional current RM(cross-flow)*4 RM(inline)*10 velocity Hs pdf - RPV \fatfree1 ™ DNV 2000

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sp2_10

Release NoteProject: Date: 14/05/2014 Calculations by

using 169 seastates References: Verified by

h [m] 90 fo(in-line) 0.738 struc 0.005 m1 3L [m] 35.6 fo(cr-flow) 0.804 soil (in-line) 0.026 m2 5 0.50e [m] 0.55 Ain (in-line) 345 soil (cr-flow) 0.018 Log(C1) 11.146 k 1.15d [m] 0 Acr (cr-flow) 358 h,RM 0.000 Log(C2) 14.576 f,IL(inline) 1.10pipe 30.0 max 811 KS(in-line) 0.75 logNsw 6.00 f,CF(cr-flow) 1.10

Programmed by DNV Deep Water TechnologyKim Mrk, Olav Fyrileiv

Version V10.7-02

FATFREEand Knut VedeldFATIGUE ANALYSIS OF FREE SPANNING PIPELINES

Safety Factors

Support: [email protected]

Response Data Soil Properties SN-Curves

Current Modelling

Free Span Scenario

FATFREE COMPLETED

Calculation options

Return Period Values Directionality

Code

Current Sheet NameCurrent Template

Damage distribution vs direction

Flat sea-bed RP-F105 Span Sand - Loose F3 (seawater cp) NORMALWell defined

Single-mode RP-F105

Automatic Generated Discrete - C dir.

Uc pdf - RPV

UPDATE SHEET OPTIONS OPEN CASE

CALCULATE

SPAN RUNS

USER HELP

PRINT RESULTS

SAVE CASE

pipe 30.0 max 811 KS(in-line) 0.75 logNsw 6.00 f,CF(cr-flow) 1.10D

[m] 0.549 /D 0.51 KS(cr-flow) 0.55 S0 [MPa] 0.00 S 1.30L/Ds 78 Seff/PE -0.38 KV 1.561E+07 SCF 1.08 on,IL 1.10

KL 1.174E+07 on,CF 1.20KV,S 2.500E+05 R 1.00

kc 0.00 Heff [N] 2.29E+05 Ds 0.4572 0.30 steel 7850fcn (MPa) 45 p [bar] 137.89 tsteel 0.0127 [oC-1] 1.17E-05 concrete 3043

T [oC] 0 tconcrete 0.0400 E [N/m2] 2.07E+11 coating 1300tcoating 0.0060 CD(current) 1.45 cont 60

5.59E+01 yrs2.17E+04 yrs Peak Von Mises Peak Von Mises

x(1 year) 0.0 235.0 x(1 year) 20.9 211.11.13E+03 yrs x(10 year) 0.0 235.0 x(10 year) 29.6 216.55.33E+01 yrs x(100 year) 16.5 244.6 x(100 year) 32.6 221.4

Wave Template

RESULTS

Densities [kg/m3]

In-line (Combined)In-line (Force Model)

STRUCTURAL MODELLING

Inline

Coating data Functional Loads

FATIGUE LIFE DYNAMIC STRESS [MPa]

Pipe Dimensions [m]

In-line (Response Model)Cross-Flow

Constants

Cross-flow

Wave Modelling Wave Sheet Name

0,00,20,40,60,81,01,2

0 50 100 150 200 250 300 350

Damage distribution vs direction

RM (In-Line)FM (In-Line)Cross-FlowComb.(In-Line)

0,01,02,03,04,05,06,07,0

0,0 0,2 0,4 0,6 0,8 1,0

pdf for omnidirectional current

RM(cross-flow)*4RM(inline)*10

velocity

Hs pdf - RPV

\fatfree1 DNV 2000