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-   -   XY plot, temperature and time (https://www.cfd-online.com/Forums/star-ccm/118136-xy-plot-temperature-time.html)

tstensrud May 21, 2013 13:14

XY plot, temperature and time
 
I'm trying to make a new plot that has time on the x-axis and temperature on the y-axis.

It is a transient simulation. Somehow when I add this plot, the graph looks like this: http://i.imgur.com/bt5uUm1.png

Now the simulation has been running for almost 500 minutes, the part I use in this plot has an initial T=300K and by the end it's at T=369K.

How come my plot looks like this?

abdullahkarimi May 21, 2013 21:47

Look into the edit plot menu and see if you selected the correct part. Also look into X-type and Y-type and units. If the part is a line, you should make sure that you are using the correct 'direction' in the position option of plot edit for y-type.

tstensrud May 22, 2013 06:56

Both X and Y-axis are scalar values and thus there shouldn't be a direction to worry about, should it? The part I'm using is a solid cylinder and I'd like to see a plot on how it's average temperature changed during the simulation.

abdullahkarimi May 22, 2013 08:49

Quote:

Originally Posted by tstensrud (Post 429167)
Both X and Y-axis are scalar values and thus there shouldn't be a direction to worry about, should it? The part I'm using is a solid cylinder and I'd like to see a plot on how it's average temperature changed during the simulation.

Did you start the report in the beginning? otherwise it would not have history.

ryancoe May 22, 2013 13:35

I don't think you want whatSTAR-CCM+ calls an "XY plot." If you:

1. make a report that get's the temperature you're interested (may use a point probe for this)
2. make a monitor that runs that report every time-step
3. make a plot that includes that monitor
4. run your simulation from the beginning

That should give you the result you're looking for.

sanjeetlimbu April 18, 2015 16:17

hi I am tryinfg to get the maximum temperature for the mesh zone
how to get it


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