GeniE User Manual Training document Enhancements to pile/soil
Contents
1. curve 1 E 0 6 0 O2 0 0 0 2 0 4 0 6 0 8 4 Diameter 2 10000000E 00 Cancel Apply Figure 3 3 Dialog for creating soil curves This is an example of the scripting command creating a soil curve defined only by predefined soil curves SOL Curves SorlCurves Loe 7 0 ZAP T1993 7ZAP 11993 DET NORSKE VERITAS SOFTWARE SESAM GeniE Version 5 2 9 Training document 30 June 2010 3 3 1 GeniE gives the opportunity to define P Y T Z and Q Z soil curves manually These curves are defined in the Manual tabs or directly by scripting commands By selecting the Manual option of the relevant curve type combo box the corresponding Manual tab is activated A description of how to define a P Y manual curve 15 given in the sequel in conjunction with the following figure Manual Soil Curves Defining P Y curves T Create Edit Soil Properties Soil Data Soil curves Mew Edit existing SoilCurves2 _ 1 tzAPI1993 lazAPI1893 1 Select pyManual from the curve type combo box The Manual P Y tab 15 activated 2 From the Diameters combo box either select an existing diameter or enter a new value The combo box is automatically populated with all diameters used by all soil curves of the active Location see v Allow edit P Y curve type T Z curve type 0 7 curve type Manual P Y Manual T Z Manual 0 2 Adju2. Sorlturvesi addManusloQzi2 l m Array 0 m 0 0042 m 0 0273 m 0 0882 m 0 1533 m 0 21 m 0 3 m Array 0 KPa 5 KPa 10 KPa 15 KPa 18 KPa 20 KPa 20 KPa SoilCurves2 SoilCurves pyManual tzManual qzManual SoilCurves2 addManualPY 2 1 m Array 0 m 0 0021 m 0 0042 m 0 0063 m 0 01418 m 0 02205 m 0 02993 m 0 0378 m 0 0441 m 0 1134 m 0 3 m Array 0 KPa 409 9 KPa 579 8 KPa 710 KPa 931 8 KPa 1011 KPa 1021 KPa 985 3 KPa 917 KPa 160 8 KPa 160 8 KPa SoilCurves2 addManualTZz 2 1 m Array 0 m 0 00336 m 0 00651 m 0 01197 m 0 0168 m 0 021 m 0 15 m Array 0 KPa 65 KPa 108 3 KPa 162 5 KPa 195 KPa 216 7 KPa 216 7 KPa SoilCurves2 addManualoz 2 1 m Array 0 m 0 0042 m 0 0273 m 0 0882 m 0 1533 m 0 21 m 0 3 m Array 0 KPa 250 KPa 500 KPa 750 KPa 900 KPa 1000 KPa 1000 KPa DET NORSKE VERITAS SOFTWARE SESAM GeniE Version 5 2 29 SoilDatal SorilDatat l KPa 0 5 15 KPa 11 KPa 0 01 20 KPa 0 05 SoilData2 SoilData 1 KPa 0 5 150 KPa 250 KPa 125 KPa 225 KPa Om 0 05 RULES Connected Move Rules GenieRules ConnectedMove useStructuralPoints false GenieRules ConnectedMove defaultConnected false GenieRules ConnectedMove rearrangeXJoints false Geometry Rules GenieRules Geometry beamTopologySnapping true GenieRules Geometry guideCurveTopologySnapping true GenieRules Geometry creationGrouping cgGroupingOff Joint Creatio
3. GenieRules Meshing setLimit mpMinAngle mpSplit 15 deg GenieRules Meshing activate mpMaxRelativeJacobi mpFail false GenieRules Meshing setLimit mpMaxRelativeJacobi mpFail 10 GenieRules Meshing activate mpMaxRelativeJacobi mpSplit false GenieRules Meshing setLimit mpMaxRelativeJacobi mpSplit 5 GenieRules Meshing activate mpMinNormalizedJacobi mpFail false GenieRules Meshing setLimit mpMinNormalizedJacobi mpFail 0 GenieRules Meshing activate mpMinNormalizedJacobi mpSplit false GenieRules Meshing setLimit mpMinNormalizedJacobi mpSplit 0 2 GenieRules Meshing activate mpMinEdge false GenieRules Meshing setLimit mpMinEdge 0 1 GenieRules Meshing activate mpMaxChord false GenieRules Meshing setLimit mpMaxChord 0 2 GenieRules Meshing activate mpMaxTwistAngle mpFail false GenieRules Meshing setLimit mpMaxTwistAngle mpFail 30 deg GenieRules Meshing activate mpMaxTwistAngle mpSplit false GenieRules Meshing setLimit mpMaxTwistAngle mpSplit 10 deg GenieRules Meshing basicLCfactor 1 GenieRules Meshing analysisFolders true GenieRules Meshing preference mpAdjustNumberOfElements true Tolerances Rules GenieRules Tolerances angleTolerance 0 deg GenieRules Tolerances pointTolerance 0 01 m GenieRules Tolerances useTolerantModelling true Set Rules GenieRules Sets scriptCompact true
4. ova a ARR pact uetus bovis aude omnem pein the 16 3 6 CCBEATEPHE OND EON ORE UARIIS UMOR EORR S eM NEN E botas EAR DM acc Dr I 19 4 PILE SOILANALY SIS ecco a endo Lie Iu nee 20 4 1 CREATE THE ANALYSIS niei eere tue eco dre eeu os pe pce p vers 20 4 2 EXEGUTING THE PIEE S OIE ANAEYSIS2 oe piede eaten vedete deti alae 23 5 THE COMMAND INPUT FILE EEEE ce sr eo oon 24 DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 2 30 June 2010 1 INTRODUCTION The main goal of this training example is to describe what is needed to perform a Pile Soil Analysis The values used e g soil characteristics or layer definitions are not necessarily realistic However the example illustrates how to set up this kind of analysis and many important concepts are explained Reference is made to the Gensod user documentation for further details A Pile in GeniE is considered to be a straight beam supplied with a set of specific additional properties called Pile Characteristics which is joined and aligned with an existing beam The usage of piles inside GeniE 15 restrained to model the interaction
5. 5 KPa Pa 72 Constant check box al Fi must be checked Ratio between displacement to reach DO peak skin friction and pile diameter TP Tip resistance This option is also Peak lip stress 20 KPa KPa compatible with the old Ratio between displacement to reach oo 7 Soil Data definition peak tip stress and pile diameter The settings in the Cancel Apply dialog lead to the following js command Figure 3 10 Dialog for creating soil data with constant skin friction SoilDatal SoilData 1 KPa 0 5 15 KPa 11 KPa 0 01 20 KPa 0 05 DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 15 30 June 2010 Linearly varying skin friction Figure 3 9 shows the definition of a linearly varying peak skin friction which 15 the default option of the dialog Note that the Z values are relative to the seabed and that the orientation of the Z axis equals that of the global coordinate system in GeniE It is assumed that Z1 is greater than Z2 amp Create Edit Soil Properties Soil Data Soil curves C New Edit existing SoilData2 Initial value of soil shear modulus Soil poisson ratio Peak skin friction Constant In compression In tension Z given relative to seabed 150 KPa KPa 125 KPa KPa 71 0 m 250 KPa KPa 225 KPa KPa Z2 15m m Ratio between displacement to reach Dm peak skin friction and pile diameter i Ratio between displacement to re
6. Training document 30 June 2010 DET NORSKE VERITAS SOFTWARE SESAM GeniE Version 5 2 2j TURE SASER Beams Steel setDefault I600 setDefault Bml Beam Point 0 m 0 m 10 m Point O m 10 m 10 m Pipe21 setDefault 4 Bm2 Beam Point O0 m 0 m 10 m Point O m 0 m O0 m Bm3 Beam Point 0 m 10 m 10 m 0 m 10 m O0 m Pilel 0 m 0 m 0 m Point 0O m 0 m 15 m Pilel pileCharacteristics PileTypel Pile Pile Point Om 10 m 0 m Point 0m 10 m 15 mj Pile2 pileCharacteristics PileTypel Joints Jtl Joint Point 0 m 0 m 10 m j wxw GOLDING GEOMETRY jg PENA ENVIRONMENT Locations Locationl Location 3 m 0 m Locationl gravity 9 80665 m s 2 Locationl air density 0 001226 tonne m 3 Locationl air kinematicViscosity 1 462 005 m 2 s Locationl water density 1 025 tonne m 3 Locationl water kinematicViscosity 1 19e 006 m 2 s Locationl seabed normaldirection Vector3d 0 m 0 m 1 m Locationl seabed seabedDelta Scourl Locationl insertSoilBorder 5 m Locationl insertSoilBorder 15 m Locationl soil 1 soilCurves SoilCurvesl1 Locationl soil 1 soilData SoilDatal Locationl soil 1 soilType Locationl soil 1 numberOfSublayers 3 Locationi soil 2 soilCurves SoilCurves2 Locationl soil 2 soilData SoilData2 Locationl soil 2 soilType Clayl Loca
7. be performed The checkbox is checked by default Checkbox unchecked This is the normal procedure After each iteration the forces transmitted from each pile element to the soil are computed and used at the start of next iteration to compute new incremental displacements of the soil volume surrounding all pile nodes Checkbox checked For this case the system is first solved neglecting pile soil pile interaction by a number of iterations When the convergence criterion has been satisfied the forces transmitted from each pile element to the soil are computed At the start of the next iteration the corresponding incremental soil displacements are computed The iterations are then continued until the convergence criterion 1s again satisfied or the maximum no of iterations has been reached keeping the computed incremental soil displacement unchanged This approach can be used to solve problems that tend to diverge or simply to save computer time DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 23 30 June 2010 4 2 Executing the Pile Soil Analysis To execute the analysis select the Activity Monitor entry on the RMB menu over the relevant Analysis browser node The Activity Monitor appears as shown below Analysis 1 Analysis step 1 Activities nalysisl step 2 o Analysis ID Analisis stent T Analys h Ss Analys Edit Analysis New Lo
8. is checked Inversely by checking Soil layers relative to seabed Z the existing values will automatically be transformed so as to be relative to the seabed Z Applying the settings shown in the above figure we get the following js commands Locationl Location 3 m O m Locationl gravity 9 80665 m s 2 Locationl air density 0 001226 tonne m 3 Locationl air kinematicViscosity 1 462e 005 m 2 s DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 17 30 June 2010 Locationl water density 1 025 tonne m 3 Locationl water kinematicViscosity 1 19e 006 m 2 s Locationl seabed normaldirection Locationl seabed seabedDelta Vector3d 0 m 0 m 1 m Locationl insertSoilBorder 5 m Locationl insertSoilBorder 15 m Locationl soil 1 soilCurves Locationl soil l1 soilData SoilType Locationi soil l Locationl soil Locationli soil 2 soilCurves Locatrronlcsollt2 solliData Locationl soil 2 soilType Locationl soil 2 numberOfSublayers SoilCurvesl SoilDatal Sandl numberOfSublayers 3 SoilCurves2 SoilData2 923 The result is shown in the following figures the water surface at zz3 m the scour at z 0 m the layer Sand1 SoilCurves1 SoilDatal is From 7 0 m to z 5 m and has 3 sublayers the layer Clay1 SoilCurves2 SoilData2 is From z 5 m to z 15 m and has 5 sublayers Figure 3 13 The Soil
9. layers with the structure DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 18 30 June 2010 Figures 3 12 and 3 13 show exactly where the scour is with respect to the seabed and its 3D geometry 20 May 2010 15 40 FEM Loadcase 1 Figure 3 14 The scour in the lateral view viewed from X Seabed Figure 3 15 The scour in the isometric view DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 19 30 June 2010 3 6 Create the Condition A Condition must exist before a Pile Soil Analysis can be created Via the Condition the Location is identified In this example a CalmSea Condition is created Select New Wave Load Condition to 1 58 Environment dialog vet the dialog appears you must Air Location water select CalmSea in the Wave model column and press C Directions zz Location seabed Apply No Regular wave set or any other data needs to Location M be given in this case Edit location Eg Ww ater Set Active location New Wave Load Condition T New Wave Load Condition t Deterministic Time uU Mame Condition Wave components Assign wave component properties W Regular wave set Current profile Wind profile Direction set Frequency set Order Fill all Fill selected Fill equal components we Specify val
10. 4 started 18 Jun 2010 13 03 25 GenieRules Tolerances useTolerantModelling true GenieRules Compatibility version V5 2 04 GenieRules Meshing autoSimplifyTopology true Units GenieRules Units setDatabaseUnits m delC GenieRules Units setInputUnit Angle deg GenieRules Units setInputUnit Force kN GenieRules Units setInputUnit Length m GenieRules Units setInputUnit TempDiff delC PROPERTIES Sections 1600 ISection 0 6 m 0 6 m 0 15 m 0 15 m Pipe21 PipeSection 2 1 m 0 08 m Materials Steel MaterialLinear 255000000 KPa 7850 tonne m 3 2 1e 011 KPa 0 3 1 2e 005 delC 1 0 03 kN s m Pile Characteristics PileTypel PileCharacteristics 1000 tonne m 3 tcInfinite Seabed Deltas ocOuUPrL Scour 0 5 m 1 m 20 deg Soil Types Clayl Clay false 1 1 94 tonne m 3 0 01 200 KPa 0 m 150 KPa 15 m Clayl apiJFactor 0 5 Sandl Sand false 1 1 99 tonne m 3 20 deg Soil Data and Soil Curves SoilCurvesl SoilCurves pyManual tzManual qzManual SoilCurvesl addManualPY 2 1 m 0 m 0 02101 m 0 04202 m 0 06303 m 0 08404 m 0 105 m 0 1261 m 0 1471 m 0 1681 m 0 1891 m 0 3 Array 0 KPa 35 64 KPa 61 51 KPa 76 26 KPa 83 52 KPa 86 85 KPa 88 32 KPa 88 96 KPa 89 23 KPa 89 35 KPa 89 44 KPa 5oilC urvesl addManualTZz 2 1 m Array 0 m 0 005 m 0 15 m Array 0 KPa 15 KPa 15
11. DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 1 30 June 2010 GeniE User Manual Training document Enhancements to pile soil modelling and analysis Table of Contents GENIE USER MANUAL TRAINING DOCUMENT ENHANCEMENTS TO PILE SOIL MODELLING AND AUN AS SIS a DOOR ERE M uM SAR e E 1 TABLE OR CON TENES hne 1 1 TNT RODU C TION 2 2 STRUCTURE AND 5 eco cec sue te ret ere deese 3 2 1 PIEE NIODELDLDINGI 3 2 2 CREATE THE LOADS maru essed et estem ED ie icon ta best utu duae vui eo OE LM 5 3 THE JNVIERONNEIENT ea eee Mei ILU 6 3 1 CEEATETHE SOIL YPES e TEM ted eere ode qe Laetus du un delatus cua t TEL 6 3 2 COR ATE OUR NR a 7 3 3 CCHEATETTHE S Ol CIR VES eus Re tote 8 MEDII D ESTE ATA TEE 9 Did Adus SOU CULV CS DIGG etit teca 11 3 3 Manual soil curve modelling with unsymmetrical T Z Q Z nnne 13 3 4 CREATE THE SPA ss etae ot Mosca N m Ead RTE E 14 3 5 CREATE THE LOCATION
12. ach peak tip stress and pile diameter Cancel Apply Figure 3 11 Dialog for creating soil data with linear varying skin friction The above settings lead to the following js command SoilData2 SoilData 1 KPa 0 5 150 KPa 250 KPa 125 KPa 225 KPa 0 My LOo my 9 01 1000 KPa 0 00 DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 16 30 June 2010 3 5 Create the Location C Capacity Directions Folder Select the New Location entry on the RMB Ig Environment LI pa Calder menu over the browser node Environment E New Location 3 Direction Paste Fields water Save HTML Report 9 Equipment The dialog below shows up Here you can define the parameters for the Air the Water and the Soil of the Environment L Create Edit Location gt Location Gravity 9 80665 m s 2 Ar Water sui Seabed lt mudlina 0 m Seabed delta o Scour Soil layers relative to seabed2 Soil layers Ww Soil Type Soil Curves Soil Data 8 Sublayers 1 5 Sand SoilCurves1 SoilData1 2 1 m Clay1 SoilCurves2 soilDataz 3 BE Cancel Figure 3 12 Dialog for creating the Location The Z Bottom values i e the Z coordinate of each layer are expressed with respect to the global coordinate system or with respect to the seabed layer if the Soil layers relative to seabed Z
13. adcase Li Load Cases Load Combination 1 1 Capacity Set Active t Activity Monitor Journal activity executions Activity Duration Status Generate Input 9 1 Analysis1 Analysis Os Not Started d t5 1 1 Meshing Os Not Started 195 1 2 Pile Soil Analysis Condit 0 Not Started H 1 2 1 Soil Gensod Not Started H 1 2 2 Sestra Reduction Os Not Started 4 1 2 3 Splice Os Not Started Figure 4 3 The Activity 4 1 2 4 Sestra Retracking Os Not Started 1 3 Load Results Os Not Started Monitor before execution For executing the analysis press Start After execution has 14 Activity Monitor finished input to and or output from Wb analysis complete many of the activities may be Journal activity executions inspected by RMB Activity Duration Status Generate Input on the activity 7 gt 1 Analysis1 Analysis 75 Warnings Figure 4 4 shows the gt 11 Meshing 05 Success RMB menu of the 95 1 2 Pile Soil Analysis Condit 6s Warnings Soil Gensod 1 2 1 Soil Gensod Success 1 2 2 Sestra Reduci gensod inp Success 1 2 3 Splice gensod mlg Warnings 1 2 4 sestra Retrac gensod lis SUCCESS R 13 Load Results Success activity Figure 4 4 After execution RMB on the Soil activity DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 24 30 June 2010 5 THE COMMAND INPUT FILE Exported using D5 2 0
14. alysis 1 14 Edit Pile Soil Analysis Weave load condition Condition Data check only t Linear calculation f Nonlinear calculation Automatic generation of input files Sail Splice Salver Solver settings Iterations Convergence Criterion Divergence check Iv Simplified group effects Figure 4 2 The Edit Pile Soil Analysis dialog The Soil tab of this dialog will not be described in this training example as there are no new features here However two new Splice Solver control data options have been introduced the Divergence check and the Simplified group effects Both the new options may stabilize and speed up the calculations DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 22 30 June 2010 Divergence check Option to activate deactivate divergence check The checkbox is unchecked by default Checkbox unchecked No divergence check is performed Checkbox checked Splice automatically checks if convergence is achieved If after 3 iterations the solution does not improve the iterations are stopped and splice will terminate for this loadcase This means that Splice returns a solution even if the result does not converge Simplified group effects Option to activate deactivate simplified calculations of earth sliding due to group effects Splice is instructed as to how pile soil pile interaction calculations shall
15. curves tab of the Soil Properties dialog as shown in the figure below By selecting New Soil Curves the dialog is activated Soil Curves m The main feature of this dialog is to define soil curves based on predefined curves m By selecting manual curve type for P Y T Z and or Q A curves the soil curves may be defined interactively in the corresponding Manual tab below meee Mew Scour Hew Soil Data Hew Soil Curves Pase w Note that the Manual tab is activated when the 1 amp Create Edit Soil Properties al antann i corresponding Manual option is selected Soil Data Soil curves P Y T Z and 0 7 soil curves data may be adjusted Modification factors are interactively C New existing SoilCurves1 cp m RR NN 27 defined in the Adjust tabs below PY an pum 3 d m Note that these factors will be used both for manually and predefined curves 11933 E The 2D graph of Manual tabs are not effected QZcuvetype qzAPI1993 by the modification factors m Part of defining manual curves and adjust data is to give the diameter for which they are Diameters 2 1 m valid Note that the number of diameters must be the same for all layers and all curve types Manual P Y Manual T Z Manual 0 2 Adjust P Y Adjust T Z Adj Show current curve Ee Ba GeniE 05 2 03 Date ben han
16. eter m P Fact 28 Y Gap Gap P Peak F ct P Res Fct Y Hes Fet kis 12 0 1m 1 1 1 0 0 Figure 3 7 Manual definition of modification factors Remove rows Clear table The Remove rows Clear table button in the figure above will remove selected all rows from the table To store the changes in the database the Apply button must be pushed DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 13 30 June 2010 3 3 3 Manual soil curve modelling with unsymmetrical T Z Q Z curves GeniE does not allow the user to define the tensile part 1 e the negative values of the manually defined T Z and Q Z curves Gensod assumes symmetry when only the curves for positive T Z or Q Z values are given 1 e the tensile part is a mirror image of the compressive part The workaround is to use the T Z Q Z modification factors that are set in the Adjust T Z Q Z tabs of the Soul Curves Properties dialog To modify the tensile resistance use the T Z or Q Z modification factor Tns Fact 1 e the factor that will be multiplied with the resistance of the tensile part of the curve For example if 50 tensile resistance is assumed set the 7ns Fact equal to 0 5 This is illustrated in the next figure Manual P Y Manual T Z Manual G Z Adjust P Y Adjust T Z Adjust 0 2 Remove rows Clear table Add row 77 Modication data for T Z soil curves Diameter 2 1 m k Fct T Res Fet Res F ct 1 1 Fi
17. gure 3 8 Tns Fact is set equal to 0 5 to achieve 50 tensile resistance When Apply is pressed for the data in the figure above the scripting commands will look like this oollCcurvesl addAOdqUuStrIiA 2sl 4 5715 1311 How this will influence the T Z curve is sketched in the example below Note that the modification of the curve will not be shown in the corresponding Manual T Z Q Z tabs The modification factors are used by Gensod during the analysis CMP FCT 1 0 TNS FCT 0 5 Figure 3 9 Effect of Tns Fact 0 5 on the T Z curve as calculated by Gensod DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 14 30 June 2010 34 Create the Soil Data The Soil Data are defined in the Soil Data tab of the Soil Properties dialog By selecting New Soil Data the dialog is activated The Peak skin friction can either be Constant or Linear Varying with respect Z This is described in detail below New Sand New Clay New Scour New Soil Data New Soil Curves Create Edit Soil Properties Constant skin friction New Edit existing SoilData1 Figure 3 8 shows the definition of soil data Initial value of soil shear modulus with a constant peak M Soil poisson ratio skin friction Peak skin friction Av Constant In compression In tension given relative to seabed To define a constant 15 KPa KPa 11 KPa KPa 7 m peak skin friction the m
18. howing up do not click anywhere in the model c Align the pile by selecting the alignment beam in the structure Since piles are beams they should have a section and a material assigned to them The pile characteristics allow section stiffness values to be overruled as compared to ungrouted Pipe section properties and where special pile tip boundary conditions may be specified Create the property by right clicking the Properties gt Pile Characteristic folder and selecting New Pile Characteristics see Figure 2 3 Thereafter assign this property to all piles The javascript code 15 Piles Pilel Pile Point 0 0 m Point 0 m 0 m 15 m Pile2 Pile Point 0 m 10 m 0 m Point 0 m 10 m 15 m PileTypel PileCharacteristics 1000 tonne m 3 tcInfinite DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 5 30 June 2010 Pile2 pileCharacteristics PileTypel Pilel pileCharacteristics PileTypel Pilel section Pipe21 Pile2 section Pipe21 Pilel material Steel Pile2 material Steel Create Edit Pile Characteristics Pile Charactenstics Properties New Editexisting 1 Beam Types T Density of soil fluid inside pile 1000 3 orrasion 1 Effective Flange Pile boundary condition Hi Tn f Pile tip is free C T 3 Load Interfaces lg ip aan The pile is assumed to be infini
19. l look like this SoilCurves2 removeManualPY 2 3 When pressing the Remove all curves button the scripting command activated will look like this SoilCurves2 removeAllManualPY DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 1 30 June 2010 3 3 2 Adjust Soil Curves Data The P Y T Z and Q Z soil curves may be modified by factors These factors are defined in the Adjust tabs or directly by scripting commands Note that these factors will modify all soil curve types not only those manually defined by the Gensod program Moreover these factors will not influence the 2D graph of the Manual tabs Defining factors 18 Create Edit Soil Properties Soil Data Soil curves The simplest way of defining fr modification factors is by f New Editexistimg SoilCurves2 ES v Allow edit using the Add row button For defining P Y adjust data PY cune bee these are the steps T Z curve type 11993 1 From the Diameters 3 2 curve type 1993 combo box either select dede Manual P Y Manual T Z Manual 0 2 Adjust P Y Adjust T Z Adjust 0 7 an existing diameter or give anew value The Remove rows Clear table combo box is automatically populated Modication data for P Y soil curves 7 Diameter with all diameters used P Fact Y Fact P Peak Fct by all soil curves of the 1 ac
20. n Rules GenieRules JointCreation autoGenerate false GenieRules JointCreation selectionAware false GenieRules JointCreation exclude geFreeThroughBeams true GenieRules JointCreation exclude geThroughBeamPure true GenieRules JointCreation exclude geThroughBeams false GenieRules JointCreation exclude geFreeBeamEnds true GenieRules JointCreation exclude ge2BeamAligned true GenieRules JointCreation exclude geBeamEnds false JointDesign Rules GenieRules JointDesign setDefaultCanRule 0 25 0 3 m GenieRules JointDesign setDefaultStubRule 1 0 6 m GenieRules JointDesign coneAngle 9 462322208 deg GenieRules JointDesign minimumGap 0 0508 m GenieRules JointDesign gapTolerance 0 001 m GenieRules JointDesign planeTolerance 1 deg GenieRules JointDesign braceAngleMoveLimit 10 deg GenieRules JointDesign chordAlignmentTolerance 5 deg GenieRules JointDesign flushBraces false GenieRules JointDesign iterations 2 Local Joint Flexibility LJF Rules GenieRules LJF method 1l1jfBuitrago1993 GenieRules LJF setLimit ljfAxial 0 1 5 GenieRules LJF setLimit 1jfIPB 0 1 5 GenieRules LJF setLimit 1jfOPB 0 1 5 Meshing rules GenieRules Meshing elementType mplstOrder GenieRules Meshing superElementType 1 GenieRules Meshing autoSimplifyTopology true GenieRules Meshing autoSplitPeriodicGeometry false GenieRules Meshing preference mpPreferRectangularMesh fal
21. ne 0 10 15 the beam and the support points b the piles c the complete structure 0 0 1 5 Figure 2 1 The structural Pile model The javascript code 15 Sections and material 21 PipeSection 2 1 0 08 1600 TSectio0on 0 6 0 6 0 15 0 15 Steel MaterialLinear 255000000 7850 2 1 11 0 3 1 2e 5 0 03 Top horizontal beam Bml Beam Point 0 m 0 m 10 m Point 0 m 10 m 10 m DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 4 30 June 2010 Bml material Steel Bml section 1600 Beams connecting piles Bm2 Beam Point 0 m 0 m l0 m Pont 0 m 0 m0 m Bm3 Beam Point 0 m 10 m 10 m Point 0 10 m O0 m Bm2 material Steel Bm3 material Steel Bm2 section Pipe21 Bm3 section Pipe21 Then we switch the Straight Beam button into a Pile button by clicking the down arrow next to the button When the Pile button is pressed you are ready to insert piles see Figure 2 2 File Edit View Insert Tools Help File Edit View Insert Tools Help Osh ex tes ele s Straight Beam Straight Overlapping Beam i N Curved Beam gt Figure 2 2 Select Pile in Beam menu A pile is easily modelled by the following three step procedure see figure above a Select the pile top snap to the end beam points b Specify the Z level of the pile tip in the dialog s
22. niE Training document Version 5 2 10 30 June 2010 The first parameter 15 the diameter of the pile the next is the array of Y values lateral displacements and the last is the array of P values lateral resistance The 2D graph Show current curve In the GUI you get a 2D graphical visualization ex m of the soil curves The 2D graphs are GeniE D5 2 03 Date 09 Jun 2010 13 05 52 dynamically updated when values are entered P Y curve into the table C Co cC By checking the Show current curve check box only the current manual soil curve will be visualized Co cC 0 Between the Show current curve check box and the graph there are three buttons From left their roles are Zoom All Si Copy Bitmap Copy Metafile Diameter 2 10000000E 00 j You can get more information by moving the Diameter 2 30000000 00 cursor above each button Figure 3 5 The 2D graph Removing curves Before pressing the Remove current curve Remove all curves button be sure that you have selected the correct diameter 1 e have the correct curve in the table These buttons have two functions They remove the curve both from the table graph Remove all curves G2 from the database Thus pressing Apply is not needed If necessary use the Undo functionality to restore the curves Remove current curve d When pressing the Remove current curve button the scripting command activated wil
23. of this specific type of beam with the Soil This in turn implies that a natural choice of the coordinate system is to set the xy plane parallel to the ground or seabed or calm sea water surface and the z axis to have an upwards direction In this sense the layers levels are defined only by their z coordinate This convention is satisfied in what follows When running GeniE the user is encouraged to move the curser above the dialog light bulbs to get specific information of an input field or of the dialog in general If you want to do the example yourself in GeniE you may have this document open on your computer so that you can copy and paste the javascript code snippets into the command window in GeniE The complete command input file is appended at the end of the document Figure 1 1 A picture of the model used in this example DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 3 30 June 2010 2 STRUCTURE AND LOADS In this chapter the structure and loads are created A particular emphasis is put on creating the Pile model 2 1 Pile Modelling This shows how to create a simple two pile structure in GeniE First we create three beams arranged as in the figure below 0 10 10 0 0 10 0 10 10 0 0 10 Pile top should be equal to or higher than the seabed the ground 0 10 0 0 10 0 0 0 0 i The pile should be aligned with a beam Pile tip snapped on a guide pla
24. on Applying the settings from this dialog the following js commands are executed Sandl Sand false 1 1 99 tonne m 3 20 deg DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 7 30 2010 Clayl Clay false 1 1 94 tonne m 3 0 01 200 KPa 0 m 150 KPa 15 m Clayl apiJFactor 0 5 3 2 Create the Scour Er f Directions Properties EST Equip Ga Ww Mew Prope gm Sail fy Ce New Soil Curves Working analogously by selecting New Scour on the RMB on the browser node Soil we can define the scour The dialog below appears E Li I Ei Paste l Create Edit Seabed delta X Fields Save HTML Report a nad General scour 2 0 5 Local Scour around piles 21 1 0 Side slope of local scour hales 20 deg Cancel Apply Figure 3 2 Dialog for creating Scour Applying the settings of the above dialog the following js command is executed Scourl Scour U 5 1 0520 7 Note that the seabed level 15 the top most horizontal line shown in the schematic figure of the dialog Figure 3 2 Dialog for creating Scour See also figures on page 17 DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 5 30 June 2010 3 3 Create the Soil Curves The Soil Curves are defined in the Soil
25. on factors of soil curves is detailed described 3 1 Create the Soil Types The soil types are based on the models Sand and Clay i p Scour They can be defined by selecting New Clay and New 1 SoilCurves Sand on the RMB on the browser node Soil LJ Directions ke 5 Location c ata 25 Soil ADATA 1 9 Water Properties c r 288 Properties New Clay Hif Structure Scour Utilities New Soil Data Mew Soil Curves Paste Fields Save HTML Report The create edit soil dialog shows up 14 Create Edit Soil 44 Create Edit Soil C New Editexisting Sand New Edit existing Clay The angle of intemal friction 20 deg dea Undrained Shear Strength to the total unit weight suz 200 KPa KPa 771 m Gensod 150 KPa KPa 72 15 Im Code for open gap Over consolidation Ratio mass density that comesponds tanmen E iue icd wai 1 34 tonne m 3 tenne m 3 API residual peak skin friction ratio strain at half of max stress T Z curve z displacement from y peak to residual skin friction Jfactarfar API code Cancel Apply Gensod Code for open gap Over consolidation Ratio Figure 3 1 Dialogs for creating Sand and Clay Friction residual peak skin friction ratio T curve 2 displacement fram peak to residual skin fricti
26. se GenieRules Meshing preference mpAllowTriangularElements true Training document 30 June 2010 I3 0 1000 DET NORSKE VERITAS SOFTWARE SESAM GeniE Version 5 2 26 GenieRules Meshing preference mpPreferPointMassAsNodeMass true GenieRules Meshing preference mpUseDrillingElements false GenieRules Meshing preference mpUseEccentricHinges false GenieRules Meshing eliminateInternalEdges false GenieRules Meshing eliminateInternalVertices true GenieRules Meshing preference mpIncludeUnusedProperties false GenieRules Meshing preference mpUseLongLoadcaseNames false GenieRules Meshing preference mpUseLongSetNames false GenieRules Meshing preference mpUseLongPropertyNames false GenieRules Meshing preference mpMeshDensityRounded false GenieRules Meshing scantlings msGross GenieRules Meshing ignoreEccentricities false GenieRules Meshing useCocentricBeams false GenieRules Meshing faceMeshStrategy SesamQuadMesher GenieRules Meshing edgeMeshStrategy UniformDistributionEdge GenieRules Meshing activate mpMaxAngle mpFail true GenieRules Meshing setLimit mpMaxAngle mpFail 179 deg GenieRules Meshing activate mpMaxAngle mpSplit false GenieRules Meshing setLimit mpMaxAngle mpSplit 165 deg GenieRules Meshing activate mpMinAngle mpFail false GenieRules Meshing setLimit mpMinAngle mpFail 1 deg GenieRules Meshing activate mpMinAngle mpSplit false
27. st P Y Adjust T Z Adjust 0 7 Diameters 2 1 n 4m E Remove all curves d Show current curve 8 n GeniE D5 2 03 Date ben Wan 47 44 54 PikPa curve Lateral resistance race ment page 14 Enter P and Y values in the table Note that the first pair must equal 0 0 all remaining values must be larger than and the Y values must be in increasing order Values can be copied from a spreadsheet and pasted into the table D KPa _ 509 5 KPa 579 8 KPa 710 KPa 931 8 1014 1024 985 3 KPa 917 KPa 160 8 KPa 160 8 KPa Om 10 0021 m 0 0042 m 0 0063 m 0 01418 0 02993 m 0 0378 10 0441 m 0 1134 m 0 3 m Diameter 2 10000000E 00 Cancel Apply Figure 3 4 The Manual P Y tab used for defining the manual curve Press Apply when all values are entered Data will be lost if a new diameter is selected before pressing Apply When Apply is pressed in the dialog shown above the following js commands 15 executed SoilCurves2 SoilCurves pyManual tzAPI1993 qzAPI1993 SoilCurves2 addManualPY 2 1 m 0 m 0 0021 0 0042 m 0 0063 m Q014 my 0 02205 m 002995 qm 0 0579 3 0 0441 x 0 1154 0 25 m Array 0 KPa 209 9 KPa 579 9 KPa 710 KPa 591 956 KPa 1011 KPa 4021 KPa 985 3 KPa 917 KPa 160 8 KPa 160 8 KPa DET NORSKE VERITAS SOFTWARE SESAM Ge
28. step 2 soil materialCoeffs pileTipResistanceCoeff 1 Analysisl step 2 soil curveGeneration lowestShearStiff 100 KPa Analysisl step 2 soil curveGeneration lowestLevelWithCyclicPY 0 m Analysisl step 2 soil curveGeneration zoneOfInfluenceTZ 10 Analysisl step 2 soil curveGeneration curveShapeFactorTZ 0 9 Analysisl step 2 soil groupEffects averagePoissonRatio 0 5 Analysisl step 2 soil groupEffects modulusOfElasticity 10000 KPa 0 m 10000 KPa 100 m Analysisl step 2 soil loadsAtSurface verticalStressAtSurface 0 KPa Analysisl step 2 soil loadsAtSurface verticalStressUnderEmbankment 0 KPa Analysisl step 2 soil loadsAtSurface widthOfEmbankmentSlopingPart 0 m Analysisl step 2 soil loadsAtSurface distancePileToEmbankmentToe 0 Analysisl step 2 soil loadsAtSurface verticalStressUnderCircularLoadedArea 0 KPa Analysisl step 2 soil loadsAtSurface radiusOfCircularLoadedArea 0 m Analysisl step 2 splice solver maxIterations 20 Analysisl step 2 splice solver convergenceCriterion 0 001 m Analysisl step 2 splice solver divergenceCheck false Analysisl step 2 splice solver simplifiedGroupEffects true Analysisl add LoadResultsActivity LOAD INTERFACES MODEL VIEWS SETS Fill
29. tely long beneath the tip EJ Mass Density Factors page E3 Materials Calculate axial stiffness based on relevant q z data EJ Mesh f The pile is assumed to be infinitely long beneath Z Im Mesh Options 7 j Stifness Replacements ignored if value is zero ms File Characteristics Axial stiffness replacement KN Plate Types Pile Characteristics E Reinforcements New Pile Characteristics Bending stiffness replacement 0 kN m 2 EJ Sections Color code all visible properties Shear stiffness replacement KN Torsional stiffness replacement 0 kN m 2 rad IkN m 2 rad Apply Figure 2 3 Dialog for creating Pile Characteristics 2 2 Create the Loads In this example a point load and a gravity load is created Since this 1s not specific for a Pile Soil analysis it is not described in further detail woadcase srdeforoe SideForce LoadCase PLoadl1 PointLoad sideForce Point 0 0 m 10 m 0 100 ON N m Nn U Load case two Gravity Gravity LoadCase Gravity setAcceleration Vector3d 0 m s 2 0 m s 2 9 80665 m s 2 Gravity includeSelfWeight Gravity includeStructureMassWithRotationField DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 6 30 June 2010 3 THE ENVIRONMENT In this chapter the Environment model is created In particular how to manually define soil curves and modificati
30. the values in this dialog or open the Mesh activity dialog and override the glabal values there m Thefirstlevel superelement number must 1 m The top level superelement number must larger than 1 The default value is 21 Superelement levels Wave Load Condition Figure 4 1 The dialog for creating the Pile Soil Analysis Note the following If the superelement numbers are not correct the analysis will not run A wave load condition must be selected The condition defines the location of the analysis The above settings lead to the following js command Analysisl Analysis true Analysisl add MeshActivity Analysisl step l superElementTypeTop 21 DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 21 30 June 2010 Analysisl step 1 superElementType 1 Analysisl add PileSoilAnalysis Conditionl Analysisl add LoadResultsActivity Edit the Pile Soil Analysis It may be necessary to modify some of the default settings of the Pile Soil Analysis This is done in the Edit Pile Soil Analysis dialog Select Edit Pile Soil Analysis to activate the dialog L Analysis V Analysisl step 1 Meshing LJ Activities a Analyst stepis Pile Sol Condition Analysis step 3 Edit Pile Soil Analysis V Beer Gravity to LaadL ase z Analysis SideFarce Reference ta LaadL ase 1 An
31. tionl soil 2 numberOfSublayers 5 Conditions Conditionl DeterministicTime Locationl Conditionl water setNoCurrent Conditionl populate Conditionl addCalmSea Conditionl component 1 water setNoCurrent EQUIPMENTS SETS Create LOAD MODELLING AND ANALYSIS SideForce LoadCase Training document 30 June 2010 DET NORSKE VERITAS SOFTWARE Version 5 2 SESAM GeniE 28 Training document 30 June 2010 SideForce setFemLoadcase 1 Gravity LoadCase Gravity setFemLoadcase 2 SideForce excludeSelfWeight SideForce includeStructureMassWithRotationField Loads PLoadl PointLoad SideForce Point 0 m 0 m 10 O kN 100 kN kN kN m 0 kN m 0 KN m Gravity includeSelfWeight Gravity includeStructureMassWithRotationField Analyses Analysisl Analysis true Analysisl add MeshActivity Analysisl step l1 beamsAsMembers true Analysisl step 1 smartLoadCombinations true Analysisl step 1 pileBoundaryCondition pmPileSoillInteraction Analysisl step 1 superElementTypeTop 21 Analysisl step l superElementType 1 Analysisl add PileSoilAnalysis Conditionl1 Analysisl step 2 soil materialCoeffs tanPhiCoeff 1 Analysisl step 2 soil materialCoeffs shearStrengthCoeff 1 Analysisl step 2 soil materialCoeffs skinFrictionCoeff 1 Analysisl
32. tive Location see L page 14 2 Push the Add row button A row will be appended to the table and filled with default values Figure 3 6 The Adjust P Y tab used for defining the modification factors 3 Modify factors where necessary 4 Press Apply when all values are entered Note that a diameter equal to 0 0 is interpreted to mean that all diameters shall be included If a diameter equal to 0 0 is given values for no other diameters shall be defined 1 e the table shall contain one row only When Apply is pressed for the data in the figure above the scripting commands will look like this SOLICurvesZ 8 1 m ly 1 OU 4 ly 132 SESAM GeniE Training document DET NORSKE VERITAS SOFTWARE 12 30 June 2010 Version 5 2 Manual definition As an alternative to using the Add row button the complete row may be manually defined The Diameter field of each row is a combo box populated with the same diameters as the separate Diameter combo box plus the value 0 0 New values cannot be entered into the Diameter cells Values for all the factors must be entered manually Alternatively the values can be copied from a spreadsheet and pasted into the table Manual P Y Manual T Z Manual Q Z Adjust P Y Adjust T Z Adjust Q Z Modication data for P Y soil curves Diameter 21 ox 1 21 m Diam
33. ue 9 Period Height Phaze Direction Current profile Wind profile Wave model Order CalmSea 2 3 4 5 6 7 8 a 10 Humber of rows with current selection Location Cancel Apply Figure 3 16 Creating the CalmSea Condition The above settings lead to the following js commands Conditionl DeterministicTime Locationl Conditionl addCalmSea DET NORSKE VERITAS SOFTWARE SESAM GeniE Training document Version 5 2 20 30 June 2010 4 PILE SOIL ANALYSIS This chapter describes how to create and execute the Pile Soil Analysis 4 1 Create the Pile Soil Analysis Select the New Analysis entry on the RMB menu over the browser node Activities Analysis Activities LT Loz Fields 7 Save HTML Report The dialog for creating an Analysis appears and looks as in Figure 4 1 when Pile Soil Analysis is checked Select Wave Load Condition check the Superelement levels and press OK 10 Create Pile Soil Analysis Analysis Iw Automatically import global loadcases Available activities Wave Load Activity Override Global Superelement Data m in Top 2 m Pile Soil Analysis the global superlement iw Pile Soil Analysis 7 First 1 data is used If these values are not according to the two bulletpoints below the analysis will fail Madify
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