CFVR5221 -Short term losses.Stronghold example.
The model is a prestressed beam with a length of 40 m.
The beam is made of C20/25 concrete and the tendons are made of Y1860C steel.
The section is rectangular 7 x 9.
The aim of the example is to verify stress losses calculation.
Element types used in the model: BEAM44 Needed CivilFEM Modules: |
|
| Model Statistics | |
| Number of elements | 6 |
| Number of nodes | 7 |
| Number of civil materials | 2 |
| Number of cross sections | 1 |
| Number of shell vertices | 0 |
Log file: CFVR5221.DAT
FINISH ~CFCLEAR,,1 ~CFACTIV,NLBR,Y ~CFACTIV,PRSC,Y NomFile='CFVR5221' /TITLE, %NomFile%, Short term losses. Stronghold example. ! ------------------------------------------------------------------------------------- ! Initial data ! ------------------------------------------------------------------------------------- /PREP7 ! Materials ~CFMP,1,LIB,CONCRETE,EC2,C20/25 ~CFMP,1,EC2_C ,Ecm,,2.8169e+010,3 ~CFMP,10,LIB,PREST,EN10138,Y1860C ~CFMP,10,Prest,MU ,,0.30 ~CFMP,10,Prest,A ,,4e-3 ~CFMP,10,Prest,K ,,3.3e-003 ! Model definition Width = .7 Length = 9.0 ~CSECDMS,1,REC,1,Width,Length ~BMSHPRO,1,BEAM,1,1,,,44,1,1,,Beam 1 N,1 N,2,4.0,0 N,3,8.0,0 N,4,20.0,0 N,5,32.0,0 N,6,36.0,0 N,7,40.0,0 ET,1,BEAM44 TYPE,1 REAL,1 MAT,1 E,1,2 E,2,3 E,3,4 E,4,5 E,5,6 E,6,7 ! Capture support beam. ~SBBMDEF,1 ! Prestressing tendons definition. ! Points ~PCPPDEF,1,1,2.8,0.0 ~PCPPDEF,2,1,1.4,0.0 ~PCPPDEF,3,1,0.0,0.0 ~PCPPDEF,4,1,-1.4,0.0 ~PCPPDEF,5,1,-2.8,0.0 ~PCPPDEF,11,7,2.8,0.0 ~PCPPDEF,12,7,1.4,0.0 ~PCPPDEF,13,7,0.0,0.0 ~PCPPDEF,14,7,-1.4,0.0 ~PCPPDEF,15,7,-2.8,0.0 ~PCEPDEF,1,1,Width/2-.05,0.0 ~PCEPDEF,2,3,Width/2-.65,0.0 ~PCEPDEF,3,4,Width/2-.65,0.0 ~PCEPDEF,4,5,Width/2-.65,0.0 ~PCEPDEF,5,7,Width/2-.05,0.0 ~PCEPDEF,11,1,Width/2-.65,0.0 ~PCEPDEF,15,7,Width/2-.65,0.0 ! Tendons P0 = 1029000 Area = 691e-6 *DO,II,1,5 ~PCTNDEF, II, 10,Area,.05,P0,P0 ~PCTNMDF, II,METHOD,0 ~PCTNMDF, II,ORDER,II *ENDDO *DO,II,1,5 ~PCTNMDF,II,PADD,II ~PCTNMDF,II,PADD,10+II *ENDDO ~PCTNMDF,1,EADD,11 ~PCTNMDF,1,EADD,15 ~PCTNMDF,5,EADD,11 ~PCTNMDF,5,EADD,15 *DO,II,2,4 ~PCTNMDF,II,EADD,1 ~PCTNMDF,II,EADD,2 ~PCTNMDF,II,EADD,4 ~PCTNMDF,II,EADD,5 *ENDDO ~PCTNMDF,2,EPAROUT,1 ~PCTNMDF,2,EPARIN,4 ! Stress losses calculation ~PCLOSS !-------------------------------------------------------------------------------------- ! DATA CHECK !-------------------------------------------------------------------------------------- ! Data comparison number NComp = 10 NComp_ch = 0 ! Marix dim. *DIM,LABEL,CHAR,Ncomp,1 *DIM,LABEL_CH,CHAR,Ncomp_ch,1 *DIM,VALUE,,Ncomp,3 *DIM,VALUE_CH,CHAR,Ncomp_ch,3 *DIM,TOLER,,Ncomp,2 ! Labels !-------------------------------------------------------------------------------------- LABEL( 1) = 'L1C1N4' LABEL( 2) = 'L1C2N4' LABEL( 3) = 'L1C3N4' LABEL( 4) = 'L1C4N4' LABEL( 5) = 'L1C5N4' LABEL( 6) = 'L2C1N1' LABEL( 7) = 'L2C2N1' LABEL( 8) = 'L2C3N1' LABEL( 9) = 'L2C4N1' LABEL(10) = 'L2C5N1' ! Correct data, obtained data !-------------------------------------------------------------------------------------- VALUE( 1,1) = 95311143.3 $ ~CFGET,value( 1,2),PRSCONC,,TENDON,LOSS,,1,4,1 VALUE( 2,1) = 156454413.9 $ ~CFGET,value( 2,2),PRSCONC,,TENDON,LOSS,,2,4,1 VALUE( 3,1) = 156454413.9 $ ~CFGET,value( 3,2),PRSCONC,,TENDON,LOSS,,3,4,1 VALUE( 4,1) = 156454413.9 $ ~CFGET,value( 4,2),PRSCONC,,TENDON,LOSS,,4,4,1 VALUE( 5,1) = 95311143.3 $ ~CFGET,value( 5,2),PRSCONC,,TENDON,LOSS,,5,4,1 VALUE( 6,1) = 124934877.0 $ ~CFGET,value( 6,2),PRSCONC,,TENDON,LOSS,,1,1,2 VALUE( 7,1) = 198609551.4 $ ~CFGET,value( 7,2),PRSCONC,,TENDON,LOSS,,2,1,2 VALUE( 8,1) = 198609551.4 $ ~CFGET,value( 8,2),PRSCONC,,TENDON,LOSS,,3,1,2 VALUE( 9,1) = 198609551.4 $ ~CFGET,value( 9,2),PRSCONC,,TENDON,LOSS,,4,1,2 VALUE(10,1) = 124934877.0 $ ~CFGET,value(10,2),PRSCONC,,TENDON,LOSS,,5,1,2 ! Warning and error tolerances ! Tolerances are high because an aproximate method has been used to ! calculate the anchorage slip losses for the correct data. *DO,II,1,NComp TOLER(II,1) = 1E7 TOLER(II,2) = 1E7 *ENDDO !-------------------------------------------------------------------------------------- ! Result comparison !-------------------------------------------------------------------------------------- COMPARA.MAC |
Results
| Label | Target | CivilFEM | Ratio | Tolerance |
| L1C1N4 | 9.5311e+007 | 9.511e+007 | 1.002 | 1e+007 |
| L1C2N4 | 1.5645e+008 | 1.5123e+008 | 1.033 | 1e+007 |
| L1C3N4 | 1.5645e+008 | 1.5123e+008 | 1.033 | 1e+007 |
| L1C4N4 | 1.5645e+008 | 1.5123e+008 | 1.033 | 1e+007 |
| L1C5N4 | 9.5311e+007 | 9.511e+007 | 1.002 | 1e+007 |
| L2C1N1 | 1.2493e+008 | 1.2507e+008 | 0.999 | 1e+007 |
| L2C2N1 | 1.9861e+008 | 2.0355e+008 | 0.975 | 1e+007 |
| L2C3N1 | 1.9861e+008 | 2.0355e+008 | 0.975 | 1e+007 |
| L2C4N1 | 1.9861e+008 | 2.0355e+008 | 0.975 | 1e+007 |
| L2C5N1 | 1.2493e+008 | 1.2507e+008 | 0.999 | 1e+007 |
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