(ANSYS APDL STRUCTURAL) Harmonic analysis on a cantilever beam

Preferences > structural > ok.

Pre - processor > element type > add/edit/delete > add > beams > 2 node 188 > ok > close.

Pre - processor > material properties> material model > structural > linear > elastic > isotropic > enter (EX = 0.45E5, PRXY = 0.35) > ok.

Pre - processor > material properties> material model > structural > density > enter (density = 1.75e-9) > ok > materials > exit.

Pre - processor > section > beams > common section > enter (ID = 1, NAME = Square, B = 0.01, H = 0.01) > ok.

Pre - processor > modelling > create > key points > in active cs > enter below table.

Key point No	X - location	Y - location	Z - location
1	0	0	0	Apply
2	1.2	0	0	Ok

Pre - processor > modelling > create > lines > lines > straight lines > select key point 1&2 > ok.

Pre - processor > meshing > size ctrl > manual size > global size > size > no of element divisions = 100 > ok.

Pre - processor > meshing > mesh tool > lines > change mesh type to "line"  > select MESH > select line between key points 1&2 > ok.

Solution > analysis type> new analysis > select (HARMONIC) > ok.

Solution > analysis type> analysis options > select (solution method = full, DOF print format = real + imaginary) > ok.

Pre - processor > loads > define loads > apply > structural >  displacement > on key point > select ( key point 1) > ok > all DOF > ok.

Pre - processor > loads > define loads > apply > structural > force/moment > on key point > select (key point 2) > ok > FY = -100 > ok.

Solution > load step options > time/frequency > enter [harmonic freq range (0) (100)] & number of sub-steps = 100 > select (stepped) > ok.

Solution > solve > current LS > ok > close.

Time hist post processor > variable viewer > click add data (+ symbol) at the top left corner of the new window > select DOF solution > Y - component of displacement > ok > now select a  point on the diagram (where we want the harmonic analysis, i.e. at node 2) > ok > now click GRAPH DATA icon ( sine wave icon) > ok.

NOTE: To get the better graph (plot ctrl > style > graphs > modify axis > in axis controls (change Y axis scale = logarithmic ) > ok.

Time hist post processor > variable viewer > click add data (+ symbol) at the top left corner of the new window > select DOF solution > Y - component of displacement > ok > now select a  point on the diagram (where we want the harmonic analysis, i.e. at node 2) > ok > now click GRAPH DATA icon ( sine wave icon) > ok.