Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/DamMacroStabilityCommon/TestData/expectedTest.sti =================================================================== diff -u -r3737 -r3741 --- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/DamMacroStabilityCommon/TestData/expectedTest.sti (.../expectedTest.sti) (revision 3737) +++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/DamMacroStabilityCommon/TestData/expectedTest.sti (.../expectedTest.sti) (revision 3741) @@ -1,35 +1,33 @@ Input file for DGSMStabDam : Stability of earth slopes. ============================================================================== -COMPANY : +COMPANY : -DATE : 4/16/2018 -TIME : 14:42:07 +DATE : 9/9/2022 +TIME : 11:48:39 AM FILENAME : KernelWrappers\DamMacroStabilityCommon\TestData\test.sti -CREATED BY : DGeoStability version 18.1.1.1 +CREATED BY : DGeoStability version 18.2.2.1 ========================== BEGINNING OF DATA ========================== [VERSION] -Soil=1003 -Geometry=1000 +Soil=1008 +Geometry=1001 StressCurve=1000 BondStressDiagram=1000 -D-Geo Stability=1008 +D-Geo Stability=1009 [END OF VERSION] [SOIL COLLECTION] - 6 = number of items + 11 = number of items [SOIL] -wl_zand -SoilColor=12171263 -SoilSoilType=1 +klei antropogeen +SoilColor=7648893 +SoilSoilType=3 SoilUseSoilType=0 -SoilExcessPorePressure=0.00 -SoilPorePressureFactor=1.00 -SoilGamDry=18.00 -SoilGamWet=20.00 +SoilGamDry=17.90 +SoilGamWet=18.30 SoilRestSlope=0 -SoilCohesion=0.00 -SoilPhi=30.00 -SoilDilatancy=30.00 +SoilCohesion=5.00 +SoilPhi=23.80 +SoilDilatancy=23.80 SoilCuTop=0.00 SoilCuBottom=0.00 SoilCuGradient=0.00 @@ -49,17 +47,17 @@ SoilYCoorSoilPc=-100.000 SoilIsPopCalculated=0 SoilIsOCRCalculated=0 -SoilIsAquifer=1 +SoilIsAquifer=0 SoilUseProbDefaults=1 SoilStdCohesion=0.00 -SoilStdPhi=0.00 +SoilStdPhi=0.01 SoilStdRatioCuPc=0.00 SoilStdRatioCuPcPassive=0.00 SoilStdRatioCuPcActive=0.00 SoilStdCu=0.00 SoilStdCuTop=0.00 SoilStdCuGradient=0.00 -SoilStdPn=0.20 +SoilStdPn=0.00 SoilDistCohesion=3 SoilDistPhi=3 SoilDistStressTable=3 @@ -110,18 +108,16 @@ SoilDistCuGradient=3 [END OF SOIL] [SOIL] -veen -SoilColor=10944420 -SoilSoilType=4 +zand antropogeen +SoilColor=5953498 +SoilSoilType=1 SoilUseSoilType=0 -SoilExcessPorePressure=0.00 -SoilPorePressureFactor=1.00 -SoilGamDry=11.00 -SoilGamWet=11.00 +SoilGamDry=17.50 +SoilGamWet=19.50 SoilRestSlope=0 -SoilCohesion=2.00 -SoilPhi=20.50 -SoilDilatancy=20.50 +SoilCohesion=0.00 +SoilPhi=27.00 +SoilDilatancy=27.00 SoilCuTop=0.00 SoilCuBottom=0.00 SoilCuGradient=0.00 @@ -144,14 +140,14 @@ SoilIsAquifer=0 SoilUseProbDefaults=1 SoilStdCohesion=0.00 -SoilStdPhi=0.00 +SoilStdPhi=0.01 SoilStdRatioCuPc=0.00 SoilStdRatioCuPcPassive=0.00 SoilStdRatioCuPcActive=0.00 SoilStdCu=0.00 SoilStdCuTop=0.00 SoilStdCuGradient=0.00 -SoilStdPn=0.20 +SoilStdPn=0.00 SoilDistCohesion=3 SoilDistPhi=3 SoilDistStressTable=3 @@ -206,8 +202,6 @@ SoilColor=16777215 SoilSoilType=3 SoilUseSoilType=0 -SoilExcessPorePressure=0.00 -SoilPorePressureFactor=1.00 SoilGamDry=17.50 SoilGamWet=17.50 SoilRestSlope=0 @@ -294,18 +288,16 @@ SoilDistCuGradient=3 [END OF SOIL] [SOIL] -klei antropogeen -SoilColor=7648893 -SoilSoilType=3 +klei humeus +SoilColor=9094655 +SoilSoilType=2 SoilUseSoilType=0 -SoilExcessPorePressure=0.00 -SoilPorePressureFactor=1.00 -SoilGamDry=17.90 -SoilGamWet=18.30 +SoilGamDry=15.00 +SoilGamWet=15.00 SoilRestSlope=0 SoilCohesion=5.00 -SoilPhi=23.80 -SoilDilatancy=23.80 +SoilPhi=24.00 +SoilDilatancy=24.00 SoilCuTop=0.00 SoilCuBottom=0.00 SoilCuGradient=0.00 @@ -355,6 +347,96 @@ SoilCuActiveBottom=0.00 SoilUniformRatioCuPc=1 SoilUniformCu=1 +SoilDesignPartialCohesion=0.00 +SoilDesignStdCohesion=0.00 +SoilDesignPartialPhi=0.00 +SoilDesignStdPhi=0.00 +SoilDesignPartialStressTable=0.00 +SoilDesignStdStressTable=0.00 +SoilDesignPartialRatioCuPc=0.00 +SoilDesignStdRatioCuPc=0.00 +SoilDesignPartialCu=0.00 +SoilDesignStdCu=0.00 +SoilDesignPartialPOP=1.10 +SoilDesignStdPOP=-1.65 +SoilDesignPartialRRatio=1.00 +SoilDesignStdRRatio=0.00 +SoilSoilGroup=0 +SoilStdPOP=0.00 +SoilDistPOP=2 +SoilHorFluctScaleCoh=50.00 +SoilVertFluctScaleCoh=0.25 +SoilNumberOfTestsCoh=1 +SoilVarianceRatioCoh=0.75 +SoilHorFluctScalePhi=50.00 +SoilVertFluctScalePhi=0.25 +SoilNumberOfTestsPhi=1 +SoilVarianceRatioPhi=0.75 +SoilRRatio=1.0000000 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +[END OF SOIL] +[SOIL] +veen +SoilColor=10944420 +SoilSoilType=4 +SoilUseSoilType=0 +SoilGamDry=11.00 +SoilGamWet=11.00 +SoilRestSlope=0 +SoilCohesion=2.00 +SoilPhi=20.50 +SoilDilatancy=20.50 +SoilCuTop=0.00 +SoilCuBottom=0.00 +SoilCuGradient=0.00 +SoilStressTableName= +SoilBondStressTableName= +SoilMatStrengthType=0 +SoilProbInputValues=0 +SoilRatioCuPc=0.22 +SoilStrengthIncreaseExponent=0.80 +SoilPOPTop=0.00 +SoilPOPBottom=0.00 +SoilAdditionalFactorLEM=1.00 +SoilPc=0.00E+00 +SoilPOP=10.00 +SoilRheologicalCoefficient=0.00 +SoilXCoorSoilPc=-100.000 +SoilYCoorSoilPc=-100.000 +SoilIsPopCalculated=0 +SoilIsOCRCalculated=0 +SoilIsAquifer=0 +SoilUseProbDefaults=1 +SoilStdCohesion=0.00 +SoilStdPhi=0.00 +SoilStdRatioCuPc=0.00 +SoilStdRatioCuPcPassive=0.00 +SoilStdRatioCuPcActive=0.00 +SoilStdCu=0.00 +SoilStdCuTop=0.00 +SoilStdCuGradient=0.00 +SoilStdPn=0.20 +SoilDistCohesion=3 +SoilDistPhi=3 +SoilDistStressTable=3 +SoilDistRatioCuPc=3 +SoilDistRatioCuPcPassive=3 +SoilDistRatioCuPcActive=3 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +SoilDistPn=3 +SoilCorrelationCPhi=0.00 +SoilRatioCuPcPassive=0.00 +SoilRatioCuPcActive=0.00 +SoilCuPassiveTop=0.00 +SoilCuPassiveBottom=0.00 +SoilCuActiveTop=0.00 +SoilCuActiveBottom=0.00 +SoilUniformRatioCuPc=1 +SoilUniformCu=1 SoilDesignPartialCohesion=1.25 SoilDesignStdCohesion=-1.65 SoilDesignPartialPhi=1.10 @@ -386,18 +468,16 @@ SoilDistCuGradient=3 [END OF SOIL] [SOIL] -zand antropogeen -SoilColor=5953498 -SoilSoilType=1 +zand +SoilColor=8454143 +SoilSoilType=2 SoilUseSoilType=0 -SoilExcessPorePressure=0.00 -SoilPorePressureFactor=1.00 SoilGamDry=17.50 SoilGamWet=19.50 SoilRestSlope=0 SoilCohesion=0.00 -SoilPhi=27.00 -SoilDilatancy=27.00 +SoilPhi=31.00 +SoilDilatancy=31.00 SoilCuTop=0.00 SoilCuBottom=0.00 SoilCuGradient=0.00 @@ -447,6 +527,366 @@ SoilCuActiveBottom=0.00 SoilUniformRatioCuPc=1 SoilUniformCu=1 +SoilDesignPartialCohesion=0.00 +SoilDesignStdCohesion=0.00 +SoilDesignPartialPhi=0.00 +SoilDesignStdPhi=0.00 +SoilDesignPartialStressTable=0.00 +SoilDesignStdStressTable=0.00 +SoilDesignPartialRatioCuPc=0.00 +SoilDesignStdRatioCuPc=0.00 +SoilDesignPartialCu=0.00 +SoilDesignStdCu=0.00 +SoilDesignPartialPOP=1.10 +SoilDesignStdPOP=-1.65 +SoilDesignPartialRRatio=1.00 +SoilDesignStdRRatio=0.00 +SoilSoilGroup=0 +SoilStdPOP=0.00 +SoilDistPOP=2 +SoilHorFluctScaleCoh=50.00 +SoilVertFluctScaleCoh=0.25 +SoilNumberOfTestsCoh=1 +SoilVarianceRatioCoh=0.75 +SoilHorFluctScalePhi=50.00 +SoilVertFluctScalePhi=0.25 +SoilNumberOfTestsPhi=1 +SoilVarianceRatioPhi=0.75 +SoilRRatio=1.0000000 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +[END OF SOIL] +[SOIL] +klei (0) +SoilColor=16744448 +SoilSoilType=2 +SoilUseSoilType=0 +SoilGamDry=18.50 +SoilGamWet=18.50 +SoilRestSlope=0 +SoilCohesion=0.00 +SoilPhi=0.00 +SoilDilatancy=0.00 +SoilCuTop=0.00 +SoilCuBottom=0.00 +SoilCuGradient=0.00 +SoilStressTableName= +SoilBondStressTableName= +SoilMatStrengthType=0 +SoilProbInputValues=0 +SoilRatioCuPc=0.22 +SoilStrengthIncreaseExponent=0.80 +SoilPOPTop=0.00 +SoilPOPBottom=0.00 +SoilAdditionalFactorLEM=1.00 +SoilPc=0.00E+00 +SoilPOP=10.00 +SoilRheologicalCoefficient=0.00 +SoilXCoorSoilPc=-100.000 +SoilYCoorSoilPc=-100.000 +SoilIsPopCalculated=0 +SoilIsOCRCalculated=0 +SoilIsAquifer=0 +SoilUseProbDefaults=1 +SoilStdCohesion=0.00 +SoilStdPhi=0.01 +SoilStdRatioCuPc=0.00 +SoilStdRatioCuPcPassive=0.00 +SoilStdRatioCuPcActive=0.00 +SoilStdCu=0.00 +SoilStdCuTop=0.00 +SoilStdCuGradient=0.00 +SoilStdPn=0.00 +SoilDistCohesion=3 +SoilDistPhi=3 +SoilDistStressTable=3 +SoilDistRatioCuPc=3 +SoilDistRatioCuPcPassive=3 +SoilDistRatioCuPcActive=3 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +SoilDistPn=3 +SoilCorrelationCPhi=0.00 +SoilRatioCuPcPassive=0.00 +SoilRatioCuPcActive=0.00 +SoilCuPassiveTop=0.00 +SoilCuPassiveBottom=0.00 +SoilCuActiveTop=0.00 +SoilCuActiveBottom=0.00 +SoilUniformRatioCuPc=1 +SoilUniformCu=1 +SoilDesignPartialCohesion=0.00 +SoilDesignStdCohesion=0.00 +SoilDesignPartialPhi=0.00 +SoilDesignStdPhi=0.00 +SoilDesignPartialStressTable=0.00 +SoilDesignStdStressTable=0.00 +SoilDesignPartialRatioCuPc=0.00 +SoilDesignStdRatioCuPc=0.00 +SoilDesignPartialCu=0.00 +SoilDesignStdCu=0.00 +SoilDesignPartialPOP=1.10 +SoilDesignStdPOP=-1.65 +SoilDesignPartialRRatio=1.00 +SoilDesignStdRRatio=0.00 +SoilSoilGroup=0 +SoilStdPOP=0.00 +SoilDistPOP=2 +SoilHorFluctScaleCoh=50.00 +SoilVertFluctScaleCoh=0.25 +SoilNumberOfTestsCoh=1 +SoilVarianceRatioCoh=0.75 +SoilHorFluctScalePhi=50.00 +SoilVertFluctScalePhi=0.25 +SoilNumberOfTestsPhi=1 +SoilVarianceRatioPhi=0.75 +SoilRRatio=1.0000000 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +[END OF SOIL] +[SOIL] +veen (0) +SoilColor=10485760 +SoilSoilType=2 +SoilUseSoilType=0 +SoilGamDry=10.50 +SoilGamWet=10.50 +SoilRestSlope=0 +SoilCohesion=0.00 +SoilPhi=0.00 +SoilDilatancy=0.00 +SoilCuTop=0.00 +SoilCuBottom=0.00 +SoilCuGradient=0.00 +SoilStressTableName= +SoilBondStressTableName= +SoilMatStrengthType=0 +SoilProbInputValues=0 +SoilRatioCuPc=0.22 +SoilStrengthIncreaseExponent=0.80 +SoilPOPTop=0.00 +SoilPOPBottom=0.00 +SoilAdditionalFactorLEM=1.00 +SoilPc=0.00E+00 +SoilPOP=10.00 +SoilRheologicalCoefficient=0.00 +SoilXCoorSoilPc=-100.000 +SoilYCoorSoilPc=-100.000 +SoilIsPopCalculated=0 +SoilIsOCRCalculated=0 +SoilIsAquifer=0 +SoilUseProbDefaults=1 +SoilStdCohesion=0.00 +SoilStdPhi=0.01 +SoilStdRatioCuPc=0.00 +SoilStdRatioCuPcPassive=0.00 +SoilStdRatioCuPcActive=0.00 +SoilStdCu=0.00 +SoilStdCuTop=0.00 +SoilStdCuGradient=0.00 +SoilStdPn=0.00 +SoilDistCohesion=3 +SoilDistPhi=3 +SoilDistStressTable=3 +SoilDistRatioCuPc=3 +SoilDistRatioCuPcPassive=3 +SoilDistRatioCuPcActive=3 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +SoilDistPn=3 +SoilCorrelationCPhi=0.00 +SoilRatioCuPcPassive=0.00 +SoilRatioCuPcActive=0.00 +SoilCuPassiveTop=0.00 +SoilCuPassiveBottom=0.00 +SoilCuActiveTop=0.00 +SoilCuActiveBottom=0.00 +SoilUniformRatioCuPc=1 +SoilUniformCu=1 +SoilDesignPartialCohesion=0.00 +SoilDesignStdCohesion=0.00 +SoilDesignPartialPhi=0.00 +SoilDesignStdPhi=0.00 +SoilDesignPartialStressTable=0.00 +SoilDesignStdStressTable=0.00 +SoilDesignPartialRatioCuPc=0.00 +SoilDesignStdRatioCuPc=0.00 +SoilDesignPartialCu=0.00 +SoilDesignStdCu=0.00 +SoilDesignPartialPOP=1.10 +SoilDesignStdPOP=-1.65 +SoilDesignPartialRRatio=1.00 +SoilDesignStdRRatio=0.00 +SoilSoilGroup=0 +SoilStdPOP=0.00 +SoilDistPOP=2 +SoilHorFluctScaleCoh=50.00 +SoilVertFluctScaleCoh=0.25 +SoilNumberOfTestsCoh=1 +SoilVarianceRatioCoh=0.75 +SoilHorFluctScalePhi=50.00 +SoilVertFluctScalePhi=0.25 +SoilNumberOfTestsPhi=1 +SoilVarianceRatioPhi=0.75 +SoilRRatio=1.0000000 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +[END OF SOIL] +[SOIL] +klei antropogeen (0) +SoilColor=16777088 +SoilSoilType=2 +SoilUseSoilType=0 +SoilGamDry=18.00 +SoilGamWet=19.50 +SoilRestSlope=0 +SoilCohesion=0.00 +SoilPhi=0.00 +SoilDilatancy=0.00 +SoilCuTop=0.00 +SoilCuBottom=0.00 +SoilCuGradient=0.00 +SoilStressTableName= +SoilBondStressTableName= +SoilMatStrengthType=0 +SoilProbInputValues=0 +SoilRatioCuPc=0.22 +SoilStrengthIncreaseExponent=0.80 +SoilPOPTop=0.00 +SoilPOPBottom=0.00 +SoilAdditionalFactorLEM=1.00 +SoilPc=0.00E+00 +SoilPOP=10.00 +SoilRheologicalCoefficient=0.00 +SoilXCoorSoilPc=-100.000 +SoilYCoorSoilPc=-100.000 +SoilIsPopCalculated=0 +SoilIsOCRCalculated=0 +SoilIsAquifer=0 +SoilUseProbDefaults=1 +SoilStdCohesion=0.00 +SoilStdPhi=0.01 +SoilStdRatioCuPc=0.00 +SoilStdRatioCuPcPassive=0.00 +SoilStdRatioCuPcActive=0.00 +SoilStdCu=0.00 +SoilStdCuTop=0.00 +SoilStdCuGradient=0.00 +SoilStdPn=0.00 +SoilDistCohesion=3 +SoilDistPhi=3 +SoilDistStressTable=3 +SoilDistRatioCuPc=3 +SoilDistRatioCuPcPassive=3 +SoilDistRatioCuPcActive=3 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +SoilDistPn=3 +SoilCorrelationCPhi=0.00 +SoilRatioCuPcPassive=0.00 +SoilRatioCuPcActive=0.00 +SoilCuPassiveTop=0.00 +SoilCuPassiveBottom=0.00 +SoilCuActiveTop=0.00 +SoilCuActiveBottom=0.00 +SoilUniformRatioCuPc=1 +SoilUniformCu=1 +SoilDesignPartialCohesion=0.00 +SoilDesignStdCohesion=0.00 +SoilDesignPartialPhi=0.00 +SoilDesignStdPhi=0.00 +SoilDesignPartialStressTable=0.00 +SoilDesignStdStressTable=0.00 +SoilDesignPartialRatioCuPc=0.00 +SoilDesignStdRatioCuPc=0.00 +SoilDesignPartialCu=0.00 +SoilDesignStdCu=0.00 +SoilDesignPartialPOP=1.10 +SoilDesignStdPOP=-1.65 +SoilDesignPartialRRatio=1.00 +SoilDesignStdRRatio=0.00 +SoilSoilGroup=0 +SoilStdPOP=0.00 +SoilDistPOP=2 +SoilHorFluctScaleCoh=50.00 +SoilVertFluctScaleCoh=0.25 +SoilNumberOfTestsCoh=1 +SoilVarianceRatioCoh=0.75 +SoilHorFluctScalePhi=50.00 +SoilVertFluctScalePhi=0.25 +SoilNumberOfTestsPhi=1 +SoilVarianceRatioPhi=0.75 +SoilRRatio=1.0000000 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +[END OF SOIL] +[SOIL] +wl_zand +SoilColor=12171263 +SoilSoilType=1 +SoilUseSoilType=0 +SoilGamDry=18.00 +SoilGamWet=20.00 +SoilRestSlope=0 +SoilCohesion=0.00 +SoilPhi=30.00 +SoilDilatancy=30.00 +SoilCuTop=0.00 +SoilCuBottom=0.00 +SoilCuGradient=0.00 +SoilStressTableName= +SoilBondStressTableName= +SoilMatStrengthType=0 +SoilProbInputValues=0 +SoilRatioCuPc=0.22 +SoilStrengthIncreaseExponent=0.80 +SoilPOPTop=0.00 +SoilPOPBottom=0.00 +SoilAdditionalFactorLEM=1.00 +SoilPc=0.00E+00 +SoilPOP=10.00 +SoilRheologicalCoefficient=0.00 +SoilXCoorSoilPc=-100.000 +SoilYCoorSoilPc=-100.000 +SoilIsPopCalculated=0 +SoilIsOCRCalculated=0 +SoilIsAquifer=1 +SoilUseProbDefaults=1 +SoilStdCohesion=0.00 +SoilStdPhi=0.00 +SoilStdRatioCuPc=0.00 +SoilStdRatioCuPcPassive=0.00 +SoilStdRatioCuPcActive=0.00 +SoilStdCu=0.00 +SoilStdCuTop=0.00 +SoilStdCuGradient=0.00 +SoilStdPn=0.20 +SoilDistCohesion=3 +SoilDistPhi=3 +SoilDistStressTable=3 +SoilDistRatioCuPc=3 +SoilDistRatioCuPcPassive=3 +SoilDistRatioCuPcActive=3 +SoilDistCu=3 +SoilDistCuTop=3 +SoilDistCuGradient=3 +SoilDistPn=3 +SoilCorrelationCPhi=0.00 +SoilRatioCuPcPassive=0.00 +SoilRatioCuPcActive=0.00 +SoilCuPassiveTop=0.00 +SoilCuPassiveBottom=0.00 +SoilCuActiveTop=0.00 +SoilCuActiveBottom=0.00 +SoilUniformRatioCuPc=1 +SoilUniformCu=1 SoilDesignPartialCohesion=1.25 SoilDesignStdCohesion=-1.65 SoilDesignPartialPhi=1.10 @@ -482,8 +922,6 @@ SoilColor=10944420 SoilSoilType=2 SoilUseSoilType=0 -SoilExcessPorePressure=0.00 -SoilPorePressureFactor=1.00 SoilGamDry=16.00 SoilGamWet=16.00 SoilRestSlope=0 @@ -1149,11 +1587,6 @@ 14 - Boundarynumber at bottom of layer [END OF LAYERS] -[LAYERLOADS] - - Layers which are loads - - -[END OF LAYERLOADS] - [END OF GEOMETRY DATA] [RUN IDENTIFICATION TITLES] @@ -1203,8 +1636,8 @@ 0 capillary water not included [END OF DEGREE OF CONSOLIDATION] [DEGREE TEMPORARY LOADS] - 100 50 50 50 50 50 50 50 50 50 - 50 100 50 50 50 + 100 0 0 0 0 0 0 0 0 0 + 0 100 0 0 0 0 capillary water not included [END OF DEGREE TEMPORARY LOADS] [DEGREE EARTH QUAKE] @@ -1322,6 +1755,10 @@ 0.00 = Lateral stress ratio 0.25 = Coefficient of variation contribution edge of section [END OF MODEL FACTOR] +[END SECTION] + 0.000 = Half length of the section + 0 Use friction end section +[END OF END SECTION] [CALCULATION OPTIONS] MoveCalculationGrid=1 ProbCalculationType=2