!******************************************************************************!
! TITLE: CFVR7707 - AISC-ASD13: Flexure Checking of an Box Section, Strong Axis
! SUBTITLE: Flexure checking according to AISC-ASD13 of an Box section 
! SUBTITLE: in the strong axis.
!
! DESCRIPTION: A steel beam is subjected to a uniform load of 0.82 k/ft.
! DESCRIPTION:
! DESCRIPTION: The beam has a length of 21 ft.
! DESCRIPTION: 
! DESCRIPTION: Section material properties:
! DESCRIPTION:   A529Gr50  ,  Fy = 46 ksi / , Fu = 58 ksi
! DESCRIPTION:
! DESCRIPTION: Geometric properties:
! DESCRIPTION:   HSS 10 x 6 x 3/16
! DESCRIPTION 
! DESCRIPTION: The aim of the example is to obtain the flexure criterion
! DESCRIPTION: according to AISC-ASD13.
! DESCRIPTION:
! DESCRIPTION: Reference:
! DESCRIPTION:   AISC, Design Examples, Version 13.0
! DESCRIPTION:   Example F.7-ba, HSS Flexural Member with Noncompact
! DESCRIPTION:   Flange
! DESCRIPTION:  
!
! ELEMENT TYPE: BEAM3
! MODULES:
! UNITS: User
! KEYWORD1: Beam
! KEYWORD2: Cross Section
! KEYWORD3: Steel
! KEYWORD4: Code Checking/Design
! KEYWORD5: ASD 13
!
!*******************************************************************************

FINISH
~CFCLEAR,,1
NomFile='CFVR7707'
/TITLE, %NomFile%, AISC-ASD13: Flexure Checking of Noncompact Box Section 

!-------------------------------------------------------------------------------
! Model definition
!-------------------------------------------------------------------------------
! CivilFEM Setup: Code & Units
~UNITS,,LENG,FT
~UNITS,,TIME,S
~UNITS,,FORC,KIPS
~CODESEL,ASD13

/PREP7

! Materials
~CFMP,1,LIB,STEEL,ASTM,A529Gr50 
~CFMP,1,USER
~CFMP,1,ASD13  ,Fy      ,,6240 ,1,0,0  
~CFMP,1,ASD13  ,Fu      ,,8352 ,1,0,0 


! Element Types
ET,1,BEAM3  ! Type 1: 2D Beam

! Cross Section
~SSECLIB,1,1,61,188   !TS 10x6x3/16 

~MEMBPRO,1,ASD13,ALL,21.0,1.000,1.000,1.000,1.000,21.0,  

! Beam & Shell Property
~BMSHPRO,1,BEAM,1,1,,,3,1,0,,Beam 1

! Nodes
N,1,0.,0.
N,2,10.5,0.
N,3,21.,0.

! Elements
E,1,2
E,2,3
  
/SOLU
! Loads
D,1, , , , , ,UX,UY, , , ,   
D,3, , , , , ,UX,UY, , , ,
F,2,FY,-0.55*(21)

SOLVE

/POST1
~CFSET,,1,1 
~CHKSTL,BENDING   
!-------------------------------------------------------------------------------------
! DATA CHECK
!-------------------------------------------------------------------------------------
! Data comparison number
NComp = 3
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(1,1) = 'CHK_LTB'
LABEL(2,1) = 'MP'
LABEL(3,1) = 'CRT_TOT'

! Correct values
VALUE(1,1) = 1
VALUE(2,1) = 69.7
VALUE(3,1) = 60.637/((69.7)/1.67)

! Comparison
~PLLSSTL,CHK_LTB
*GET,VALUE(1,2),ELEM,1,ETAB,CFETAB_J
~PLLSSTL,MP
*GET,VALUE(2,2),ELEM,1,ETAB,CFETAB_J
~PLLSSTL,CRT_TOT
*GET,VALUE(3,2),ELEM,1,ETAB,CFETAB_J

! Warning and error tolerances
TOLER(1,1)= 0.01*VALUE(1,1) $ TOLER(1,2)= 0.01*VALUE(1,1)
TOLER(2,1)= 0.01*VALUE(2,1) $ TOLER(2,2)= 0.01*VALUE(2,1) 
TOLER(3,1)= 0.01*VALUE(3,1) $ TOLER(3,2)= 0.01*VALUE(3,1) 

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