Left

CivilFEM Online Help

Right

CFVR7309 - Steel checking according to ASME BPVC III Subsection NF

Compression checking of a cantilever steel beam

A steel cantilever beam with built-up channel shape section is subjected to a horizontal compression force of 1 MN at free end. Ct reduction coefficient is taken as 0.85
Determine the total criterion according to ASME BPVC III Subsection NF.

Element types used in the model: BEAM188

Needed CivilFEM Modules:
Geotechnical Module
Bridges and Civil Non Linearities Module
Advanced Prestressed Concrete Module

The example can be launched on an educational license.
KEYWORDS
Beam
Cross Section
Code Checking/Design
Steel
ASME BPVC III NF

Model Statistics
Number of elements 1
Number of nodes 2
Number of civil materials 1
Number of cross sections 1
Number of shell vertices 0

Log file: CFVR7309.DAT


FINISH
~CFCLEAR,,1

   NomFile='CFVR7309'
 /TITLE, %NomFile%, Compression checking ASME BPVC III subsection NF
! -------------------------------------------------------------------------------------
! Initial data
! -------------------------------------------------------------------------------------
! CivilFEM SETUP
~CFACTIV,NUCL,Y
~CODESEL,ASME_NF,EC2-91,EC2-91,,EC8-94

/PREP7

ET,1,Beam188,,,2

~CFMP,1,LIB,STEEL,ASTM,A441
~SSECDMS,1,C,1,0.6,0.01,0.25,0.015
~SECMDF,1,ASMENFPR,CT,,0.85
~MEMBPRO,1,ASME_NF,ALL,2,2,2,1,1,1,1,1,1
~BMSHPRO,1,BEAM,1,1,,,188,1,1,,Beam 1

N,1,
N,2,2
E,1,2

/SHRINK,0
/ESHAPE,1.0

EPLOT

D,1,ALL

F,2,FX,-1000000

/SOLU
SOLVE

/POST1
~CFSET,0,1,LAST

~CHKSTL,COMPRESS

!--------------------------------------------------------------------------------------
! 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) = 'FA'
  LABEL(4,1) = 'CRT_STR'
  LABEL(5,1) = 'SLD_RT'
  LABEL(6,1) = 'CRT_SLD'
  LABEL(7,1) = 'CRT_TOT'

! Correct values
  VALUE(1,1)=0.90
  VALUE(2,1)=1.00
  VALUE(3,1)=153884601
  VALUE(4,1)=0.4923
  VALUE(5,1)=49.63
  VALUE(6,1)=0.248
  VALUE(7,1)=0.4923

! Comparison

 ~PLLSSTL,QS
 *GET,VALUE(1,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,QA
 *GET,VALUE(2,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,FA
 *GET,VALUE(3,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,CRT_STR
 *GET,VALUE(4,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,SLD_RT
 *GET,VALUE(5,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,CRT_SLD
 *GET,VALUE(6,2),ELEM,1,ETAB,CFETAB_I
 ~PLLSSTL,CRT_TOT
 *GET,VALUE(7,2),ELEM,1,ETAB,CFETAB_I

! Warning and error tolerances
  TOLER( 1, 1)= 1E-03   $ TOLER( 1, 2)= 1E-03
  TOLER( 2, 1)= 1E-03   $ TOLER( 2, 2)= 1E-03
  TOLER( 3, 1)= 1E+04   $ TOLER( 3, 2)= 1E+04		! Rounding error accepted
  TOLER( 4, 1)= 1E-03   $ TOLER( 4, 2)= 1E-03
  TOLER( 5, 1)= 1E-03   $ TOLER( 5, 2)= 1E-03	
  TOLER( 6, 1)= 1E-03   $ TOLER( 6, 2)= 1E-03
  TOLER( 7, 1)= 1E-03   $ TOLER( 7, 2)= 1E-03

!--------------------------------------------------------------------------------------
! Results comparison
!--------------------------------------------------------------------------------------
  COMPARA.MAC





Results

LabelTargetCivilFEMRatioTolerance
QS 0.9 0.899991.000 0.001
QA 1 11.000 0.001
FA1.5388e+0081.5388e+0081.000 1e+004
CRT_STR 0.4923 0.492311.000 0.001
SLD_RT 49.63 49.6291.000 0.001
CRT_SLD 0.248 0.248150.999 0.001
CRT_TOT 0.4923 0.492311.000 0.001


Contains proprietary and confidential information of Ingeciber, S.A.