CFVR8856 - Compression checking according to AASHTO 2012
Compression with flexural-torsional buckling checking
A steel cantilever beam with T shape section is subjected to an axial compression force of 36 Kip at free end.
The section is WT 7x 15 and the structural steel is A529Gr50
Determine the total criterion according to AASHTO 2012.
Element types used in the model: BEAM3 Needed CivilFEM Modules: |
|
| Model Statistics | |
| Number of elements | 20 |
| Number of nodes | 21 |
| Number of civil materials | 1 |
| Number of cross sections | 1 |
| Number of shell vertices | 0 |
Log file: CFVR8856.DAT
FINISH ~CFCLEAR,,1 NomFile='CFVR8856' /TITLE, %NomFile%, Compression with flexural-torsional buckling check by AASHTO 2012 ~CODESEL,AASHTO12,EC2-91,EC2-91,,EC8-94 ~UNITS,,MONE,EURO ~UNITS,,LENG,IN ~UNITS,,TIME,S ~UNITS,,FORC,KIPS ~UNITS,,PRES,,0 ,uuP ~UNITS,,MASS,,0 ,uuM /PREP7 ET,1,Beam3 ~CFMP,1,LIB,STEEL,ASTM,A529Gr50 ~SSECLIB,1,1,58,197 !WT 7x 15 ~MEMBPRO,1,AASHTO12,ALL,240.0,1.000,1.000,1.000,1.000,0.000,1.000,1.000,0.000 ~MEMBPRO,1,NLMOD,ALL,0 ~MEMBPRO,1,NAME,Member Property 1 ~BMSHPRO,1,BEAM,1,1,,, 3,1,0,,Beam 1 ! Nodes N,1 N,21,,240 FILL,1,21,19, , ,1,1,1, ! Elements REAL,1 E,1,2 EGEN,20,1,1,1 /SOLU ! Constrains D,1,ALL ! Apply Load F,21,FY,-36 SOLVE /POST1 ! Postprocessor ! -------------------------------------------------- ! Read results ~CFSET,,1,1 ! First load case ! Checking ~CHKSTL,COMPFTBK !-------------------------------------------------------------------------------------- ! DATA CHECK !-------------------------------------------------------------------------------------- ! Data comparison number NComp = 7 NComp_ch = 0 ! Matrix 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(1,1) = 'QS' LABEL(2,1) = 'QA' LABEL(3,1) = 'Q' LABEL(4,1) = 'PO' LABEL(5,1) = 'PE' LABEL(6,1) = 'PN' LABEL(7,1) = 'CRT_TOT' ! Correct values VALUE(1,1)= 0.682 VALUE(2,1)= 1 VALUE(3,1)= 0.682 VALUE(4,1)= 150.7 VALUE(5,1)= 46.37 VALUE(6,1)= 40.66 VALUE(7,1)= 0.98 ! Comparison ~CFGET,VALUE(1,2),ELEMENT,1,RESULT,QS,I ~CFGET,VALUE(2,2),ELEMENT,1,RESULT,QA,I ~CFGET,VALUE(3,2),ELEMENT,1,RESULT,Q,I ~CFGET,VALUE(4,2),ELEMENT,1,RESULT,PO,I ~CFGET,VALUE(5,2),ELEMENT,1,RESULT,PE,I ~CFGET,VALUE(6,2),ELEMENT,1,RESULT,PN,I ~CFGET,VALUE(7,2),ELEMENT,1,RESULT,CRT_TOT,I ! Warning and error tolerances TOLER(1,1)= 0.005*VALUE(1,1) $ TOLER(1,2)= 0.005*VALUE(1,1) TOLER(2,1)= 0.005*VALUE(2,1) $ TOLER(2,2)= 0.005*VALUE(2,1) TOLER(3,1)= 0.005*VALUE(3,1) $ TOLER(3,2)= 0.005*VALUE(3,1) TOLER(4,1)= 0.005*VALUE(4,1) $ TOLER(4,2)= 0.005*VALUE(4,1) TOLER(5,1)= 0.005*VALUE(5,1) $ TOLER(5,2)= 0.005*VALUE(5,1) TOLER(6,1)= 0.005*VALUE(6,1) $ TOLER(5,2)= 0.005*VALUE(6,1) TOLER(7,1)= 0.005*VALUE(7,1) $ TOLER(5,2)= 0.005*VALUE(7,1) !-------------------------------------------------------------------------------------- ! Results comparison !-------------------------------------------------------------------------------------- COMPARA.MAC |
Results
| Label | Target | CivilFEM | Ratio | Tolerance |
| QS | 0.682 | 0.68189 | 1.000 | 0.00341 |
| QA | 1 | 1 | 1.000 | 0.005 |
| Q | 0.682 | 0.68189 | 1.000 | 0.00341 |
| PO | 150.7 | 150.7 | 1.000 | 0.7535 |
| PE | 46.37 | 46.367 | 1.000 | 0.0049 |
| PN | 40.66 | 40.664 | 1.000 | 0 |
| CRT_TOT | 0.98 | 0.98367 | 0.996 | 0 |
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