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w Orcina Ltd. Daltongate Ulverston
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Contents 4 w 3.4 Libraries 40 3.4.1
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Contents 6 w 5.6 Dynamic Analysis 1
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Contents 8 w 6.5.23 Wave Scatter Co
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Contents 10 w 8.12 Results 444 8.13
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Introduction, Installing OrcaFlex
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Introduction, Parallel Processing M
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Introduction, References and Links
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Introduction, References and Links
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w 2 TUTORIAL 2.1 GETTING STARTED 21
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w 23 Tutorial, Dynamic Analysis sha
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w 3 USER INTERFACE 3.1 INTRODUCTION
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w Simulation Paused 27 User Interfa
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w Keys on Main Window New model Ope
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w Rotate viewpoint left (decrement
- Page 33 and 34: w General: StaticsMethod: Whole Sys
- Page 35 and 36: w A text data file saved by OrcaFle
- Page 37 and 38: w 37 User Interface, Model Browser
- Page 39 and 40: w Cut/Copy Cut or Copy the selected
- Page 41 and 42: w 3.4.1 Using Libraries 41 User Int
- Page 43 and 44: w 43 User Interface, Libraries Once
- Page 45 and 46: w 3.5.1 File Menu New Deletes all o
- Page 47 and 48: w New Vessel New Line New 6D Buoy N
- Page 49 and 50: w 3.5.5 View Menu Change Graphics M
- Page 51 and 52: w Preferences 51 User Interface, Me
- Page 53 and 54: w 53 User Interface, 3D Views 3D Vi
- Page 55 and 56: w 55 User Interface, 3D Views � D
- Page 57 and 58: w 57 User Interface, 3D Views a lin
- Page 59 and 60: w 59 User Interface, 3D Views � F
- Page 61 and 62: w Replay Period 61 User Interface,
- Page 63 and 64: w Frame interval in real time 63 Us
- Page 65 and 66: w Numeric 65 User Interface, Data F
- Page 67 and 68: w � For lines you must specify th
- Page 69 and 70: w 69 User Interface, Results this i
- Page 71 and 72: w 71 User Interface, Results Let th
- Page 73 and 74: w 73 User Interface, Results remain
- Page 75 and 76: w Results 75 User Interface, Result
- Page 77 and 78: w Replays 77 User Interface, Graphs
- Page 79 and 80: w Axes 79 User Interface, Spreadshe
- Page 81 and 82: w Command Line Parameters 81 User I
- Page 83: w Wire Frame Graphics Codec 83 User
- Page 87 and 88: w 4.2.2 Script Files 87 Automation,
- Page 89 and 90: w Delete Deletes the object called
- Page 91 and 92: w 91 Automation, Batch Processing O
- Page 93 and 94: w Select Current "150deg" RefCurren
- Page 95 and 96: w IndependentValue[3] = 0.4 Depende
- Page 97 and 98: w 97 Automation, Batch Processing b
- Page 99 and 100: w 99 Automation, Text Data Files Th
- Page 101 and 102: w Line1: LineType[2]: Variant Line
- Page 103 and 104: w Vessel Type1: Draught1: Displacem
- Page 105 and 106: w PolarR[2]: 3400.0 PolarTheta[2]:
- Page 107 and 108: w 107 Automation, Post-processing o
- Page 109 and 110: w Figure: The OrcaFlex menu within
- Page 111 and 112: w 4.4.3 Instruction Format 111 Auto
- Page 113 and 114: w � Spectral Density, Empirical D
- Page 115 and 116: w 4.4.7 Range Graph commands Range
- Page 117 and 118: w Figure: Load instruction in the I
- Page 119 and 120: w 119 Automation, Post-processing Y
- Page 121: w Figure: Instructions table with d
- Page 124 and 125: Theory, Direction Conventions 124 w
- Page 126 and 127: Theory, Interpolation Methods 126 w
- Page 128 and 129: Theory, Static Analysis Line Static
- Page 130 and 131: Theory, Static Analysis 130 w To us
- Page 132 and 133: Theory, Dynamic Analysis 5.6 DYNAMI
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Theory, Dynamic Analysis 134 w �
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Theory, Friction Theory Overview of
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Theory, Spectral Response Analysis
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Theory, Extreme Value Statistics Th
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Theory, Environment Theory Power La
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Theory, Environment Theory Penetrat
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Theory, Environment Theory 146 w (n
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Theory, Environment Theory 148 w Fu
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Theory, Environment Theory 150 w An
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Theory, Environment Theory Directio
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Theory, Environment Theory 154 w Th
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Theory, Environment Theory 156 w ye
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Theory, Vessel Theory 158 w � The
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Theory, Vessel Theory 160 w Wave lo
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Theory, Vessel Theory 162 w More pr
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Theory, Vessel Theory 5.11.5 Stiffn
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Theory, Vessel Theory 166 w OrcaFle
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Theory, Vessel Theory 168 w method
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Theory, Vessel Theory α = Cg/Cp U
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Theory, Line Theory 172 w The veloc
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Theory, Line Theory Segments 174 w
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Theory, Line Theory where 176 w Var
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Theory, Line Theory M Figure: Elast
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Theory, Line Theory 180 w Var Torqu
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Theory, Line Theory 5.12.12 Content
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Theory, Line Theory 184 w Warning:
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Theory, Line Theory Diagonal Terms
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Theory, Line Theory 188 w Consider
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Theory, Line Theory A Connection to
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Theory, Line Theory A Proportion We
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Theory, Line Theory Interpreting th
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Theory, 6D Buoy Theory 196 w Warnin
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Theory, 6D Buoy Theory Damping IM i
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Theory, 6D Buoy Theory Damping Forc
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Theory, 6D Buoy Theory |Wrz| is its
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Theory, 6D Buoy Theory 204 w � Fo
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Theory, Winch Theory where CdX and
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Theory, Shape Theory Deadband Deadb
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w 6 SYSTEM MODELLING: DATA AND RESU
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w Source page System Modelling: Dat
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w 215 System Modelling: Data and Re
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w 6.4 GENERAL DATA The General Data
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w Tolerance 219 System Modelling: D
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w 221 System Modelling: Data and Re
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w 6.4.6 Numerical Damping Line Targ
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w Simulation CPU time, Simulation w
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w 227 System Modelling: Data and Re
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w 229 System Modelling: Data and Re
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w Data for a Wave Train Each wave t
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w We recommend that all new analyse
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w 235 System Modelling: Data and Re
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w 3. OrcaFlex uses a fast Fourier t
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w Duration-limited Hs = 0.0146(D 5
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w 241 System Modelling: Data and Re
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w 243 System Modelling: Data and Re
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w 245 System Modelling: Data and Re
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w 6.5.23 Wave Scatter Conversion In
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w Output 249 System Modelling: Data
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w Tm = m0/m1, Tz = (m0/m2) ½ , S =
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w Vessel Frame of Reference 253 Sys
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w 255 System Modelling: Data and Re
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w Primary Motion 257 System Modelli
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w 259 System Modelling: Data and Re
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w 261 System Modelling: Data and Re
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w Figure: Wire Frame and Shaded Dra
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w 265 System Modelling: Data and Re
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w 267 System Modelling: Data and Re
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w RAO Interpolation/Extrapolation O
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w 271 System Modelling: Data and Re
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w 273 System Modelling: Data and Re
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w Obtaining the data 275 System Mod
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w 277 System Modelling: Data and Re
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w 279 System Modelling: Data and Re
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w 281 System Modelling: Data and Re
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w 283 System Modelling: Data and Re
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w Header string Column contains RZA
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w 287 System Modelling: Data and Re
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w 1.5 1 0.5 0 -0.5 -1 -1.5 -1.5 -1
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w Other output 291 System Modelling
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w 293 System Modelling: Data and Re
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w 295 System Modelling: Data and Re
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w Position and Motion Results 297 S
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w Force and Moment Results 299 Syst
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w V z y End positions and no-moment
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w P-y Model 303 System Modelling: D
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w Section Length 305 System Modelli
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w Include axial contents inertia 30
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w 309 System Modelling: Data and Re
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w 311 System Modelling: Data and Re
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w 313 System Modelling: Data and Re
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w Wake frame of reference 315 Syste
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w 317 System Modelling: Data and Re
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w Homogeneous Pipe 319 System Model
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w 321 System Modelling: Data and Re
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w 323 System Modelling: Data and Re
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w Drag / Lift Diameters 325 System
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w 327 System Modelling: Data and Re
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w External Functions Parameters 329
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w 331 System Modelling: Data and Re
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w Drag Chain Type Properties Report
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w 335 System Modelling: Data and Re
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w Line End Axes y x Splined Line Se
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w 339 System Modelling: Data and Re
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w ξ is the damping ratio (a value
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w 1. Identify a number of critical
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w Inclination Ez End A P0 Figure: P
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w Specifying the Position on the Li
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w 349 System Modelling: Data and Re
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w Normalised Tension 351 System Mod
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w 353 System Modelling: Data and Re
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w Max Bending Strain 355 System Mod
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w 357 System Modelling: Data and Re
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w 6.8.9 Flex Joint Results For deta
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w � Line with Floats. � Homogen
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w Mechanical Properties Catalogue D
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w 365 System Modelling: Data and Re
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w Construction Can be one of: � N
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w Wire ropes with fibre core 584175
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w � Dnp - normal drag diameter.
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w Added Mass Coefficients 373 Syste
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w Material 375 System Modelling: Da
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w Axial Stiffness = 3.40 x 10 4 ID
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w Figure: Stress joint profile at E
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w � Include Torsion. � Segment
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w 383 System Modelling: Data and Re
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w F M � No moment direction Figur
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w 387 System Modelling: Data and Re
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w Chord Leading edge Figure: Wing M
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w Centre of Mass 391 System Modelli
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w where P is the proportion wet or
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w 395 System Modelling: Data and Re
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w Rotation 3 B (B=buoy origin) Buoy
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w 399 System Modelling: Data and Re
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w 6.9.12 Shaded Drawing 401 System
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w 403 System Modelling: Data and Re
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w Velocity and Acceleration Results
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w Incidence Angle 407 System Modell
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w Cdm = Cd, AM = x.z 4 /32. 409 Sys
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w � Iz = the moment of inertia ab
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w height/2 height/2 Figure: 3D Buoy
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w X,Y and Z Positions of the buoy o
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w K . ε where ε = wire strain. Wi
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w 6.11.5 Control by Whole Simulatio
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w Tether: Spring-Damper: Figure: Ty
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w 6.13 SHAPES Figure: Examples of B
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w Shear Stiffness 425 System Modell
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w 427 System Modelling: Data and Re
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w System Modelling: Data and Result
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w 7 MODAL ANALYSIS 7.1 DATA AND RES
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w 433 Modal Analysis, Theory If the
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w 8 FATIGUE ANALYSIS 8.1 INTRODUCTI
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w Save Saves the data to the curren
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w Number of Cycles 439 Fatigue Anal
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w Figure: Example load cases table
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w 443 Fatigue Analysis, S-N and T-N
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w Load Case sheets 445 Fatigue Anal
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w 447 Fatigue Analysis, How Damage
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w 9 VIV TOOLBOX 449 VIV Toolbox, Fr
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w Whole Line Properties Target Mode
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w The first table summarises the be
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w 455 VIV Toolbox, Frequency Domain
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w Stress Concentration Factors 457
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w Exported Mode Offset and Mode Cur
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w Vortex Tracking (1) Model 461 VIV
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w 463 VIV Toolbox, Time Domain Mode
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w 465 VIV Toolbox, Time Domain Mode
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w 467 VIV Toolbox, Time Domain Mode
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w 469 VIV Toolbox, Time Domain Mode
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w Vortex Smear Factor 471 VIV Toolb