Can I compute the following in WB Mechanical with expressions?:

I need to calculate the 'u' variable along a line specified as a path geometry (placed along the centroid axis of a rectangular body). Computing u requires integrating TG over time. I would like a plot of the variable across this line. Then I would like to plot that line at multiple times on the same graph. In the example below (not shown in this KB Solution) u vs. distance is plotted every 30min during my transient cool down simulation. I do something similar in COMSOL multiphysics but I'd like to see if I can also implement this into Ansys workbench.


This can be done with a Solution Commands Object as shown below.

! ****** Begin Command Snippet ******
! Commands inserted into this file will be executed immediately after the Ansys /POST1 command.
! Active UNIT system in Workbench when this object was created: Metric (m, kg, N, s, V, A)

/post26

cmsel,s,n1
esln
esel,r,enam,,70,90,20
ndmin=ndnext(0)
elmin=elnext(0)

ansol,2,ndmin,TG,Z,TGZ1

nsol,3,ndmin,TEMP,,T1

a = 3
b = 2
c = -50

PROD,4,2, , , aTGZ, , , a, ,

PROD,5,3, , , bT, , , b, ,

FILLDATA,6,,,,-c,0

ADD,7,5,6,,bTc

EXP,8,7 !!! exp(bT-c)

PROD,9,4,8 !!! (du/dt)

INT1,10,9,1 !!! Integrate (du/dt) w.r.t time (variable 1)

/show,png
/gfile,650

/axlab,x,du/dt
plvar,9

/axlab,x,u
plvar,10





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