(ANSYS APDL STRUCTURAL) Stepped bars

Preferences > structural > ok.

Pre - processor > element type > add/edit/delete > add > links > 3D finite stn 180 > ok > close.

Pre - processor > real constants> add/edit/delete > add > select 1 link 180 > ok > now enter the values of area following the below table > close.

Real constant set No	Cross-section
1	1200	Apply
2	1600	Apply
3	1400	Ok

Pre - processor > material properties> material model > structural > linear > elastic > isotropic > enter (EX = 2.1E5, PRXY = 0.3) > ok.

Pre - processor > material properties> material model > materials (in the menu bar of material model box) > new material > new model ID = 2 > select (material model 2) > structural > linear > elastic > isotropic > enter (EX = 1.27E5, PRXY = 0.34) > ok.

Pre - processor > material properties> material model > materials (in the menu bar of material model box) > new material > new model ID = 3 > select (material model 3) > structural > linear > elastic > isotropic > enter (EX = 0.707E5, PRXY = 0.34) > ok.

Pre - processor > modelling > create > nodes > in active cs > enter the below table.

Node No	X - location	Y - location	Z - location
1	0	0	0	Apply
2	200	0	0	Apply
3	500	0	0	Apply
4	700	0	0	Ok

Pre - processor > modelling > create > elements > element attributes > set (Material No & Real constant No = 1) > ok.

Pre - processor > modelling > create > elements auto umber > thru node > select node 1&2 > ok.

Pre - processor > modelling > create > elements > element attributes > set (Material No & Real constant No = 2) > ok.

Pre - processor > modelling > create > elements auto umber > thru node > select node 2&3 > ok.

Pre - processor > modelling > create > elements > element attributes > set (Material No & Real constant No = 3) > ok.

Pre - processor > modelling > create > elements auto umber > thru node > select node 3&4 > ok.

Pre - processor > loads > define loads > apply > structural > displacement > on nodes > select node 1 > ok > select all DOF > ok.

Pre - processor > loads > define loads > apply > structural > force/moment > on node > select node 2 > apply > select FX and give (FX = -30E3) > apply > select node 3 > apply > select FX and give (FX = 50E3) > apply > select node 4 > apply > select FX and give (FX = 20E3) > ok.

Solution > solve > current LS > ok > close.

General post processor > element table > define table > add > use label for item = FORCE, select "by sequence " in result data  item (left table), select SMISC in right table, and type "1" behind it > apply > use label for item = STRESS, select "by sequence " in result data  item (left table), select LS in right table, and type "1" behind it > apply > use label for item = STRAIN, select "by sequence " in result data  item (left table), select LEPEL in right table, and type "1" behind it > ok > update > close.

General post processor > plot results > contour plot > line element result > set FORCE/STRAIN/STRESS > ok.