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Abaqus Truss Tutorial

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ME 455/555 Intro to Finite Element Analysis Winter ‘09 Abaqus/CAE truss tutorial Abaqus/CAE Truss Tutorial (Revised January 21, 2009) Problem Description:  Solve for displacements of the free node and the reaction forces of the truss structure shown in the figure. This is the sample problem from the lecture note example. Material is Steel with E = 210 GPa and υ =0.25. 1 kN 1000 mm2 1250 mm2 750 mm ©2009 Hormoz Zareh & Jayson Martinez 1 Portland State University, Mechanical Engineering
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   ME 455/555 Intro to Finite Element Analysis Winter ‘09 Abaqus/CAE truss tutorial  ©2009 Hormoz Zareh & Jayson Martinez 1 Portland State University, Mechanical Engineering    Abaqus/CAE Truss Tutorial  (Revised January 21, 2009)   Problem   Description:   Solve for displacements of the free node and the reaction forces of the truss structure shown in thefigure. This is the sample problem from the lecture note example.Material is Steel with E = 210 GPa and υ    =0.25. 1000 mm  2  1250 mm  2  750 mm 1 kN      ME 455/555 Intro to Finite Element Analysis Winter ‘09 Abaqus/CAE truss tutorial  ©2009 Hormoz Zareh & Jayson Martinez 2 Portland State University, Mechanical Engineering    Analysis   Steps   1.   Start   Abaqus   and   choose   to   create   a   new   model   database   2.   In   the   model   tree   double   click   on   the   “Parts”   node   (or   right   click   on   “parts”   and   select   Create)   3.   In   the   Create   Part   dialog   box   (shown   above)   name   the   part   and   a.   Select   “2D   Planar”   b.   Select   “Deformable”   c.   Select   “Wire”   d.   Set   approximate   size   =   1   e.   Click   “Continue…”   4.   Create   the   geometry   shown   below   (not   discussed   here)     ME 455/555 Intro to Finite Element Analysis Winter ‘09 Abaqus/CAE truss tutorial  ©2009 Hormoz Zareh & Jayson Martinez 3 Portland State University, Mechanical Engineering   5.   Double   click   on   the   “Materials”   node   in   the   model   tree   a.   Name   the   new   material   and   give   it   a   description   b.   Click   on   the   “Mechanical”   tab  Elasticity  Elastic   c.   Define   Young’s   Modulus   and   Poisson’s   Ratio   (use   base   SI   units)   i.   WARNING:   There   are   no   predefined   system   of    units   within   Abaqus,   so   the   user   is   responsible   for   ensuring   that   the   correct   values   are   specified   d.   Click   “OK”     ME 455/555 Intro to Finite Element Analysis Winter ‘09 Abaqus/CAE truss tutorial  ©2009 Hormoz Zareh & Jayson Martinez 4 Portland State University, Mechanical Engineering   6.   Double   click   on   the   “Sections”   node   in   the   model   tree   a.   Name   the   section   “HorizontalBar”   and   select   “Beam”   for   both   the   category   and   “Truss”   for   the   type   b.   Click   “Continue…”   c.   Select   the   material   created   above   (Steel)   d.   Set   cross ‐ sectional   area   =   0.001   (base   SI   units,   m 2 )   e.   Click   “OK”   f.   Repeat   for   the   “AngledBar”   i.   Cross ‐ sectional   area=0.00125  
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