Archive for September 2013
Shellcalc© version 5.23
A new version of Shellcalc© is available (5.23)
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The following changes have been made
- Taken out the backgrounds on the scaled plots to make copy/paste easier into Powerpoint (It comes in transparent now if you just select the Excel graph)
- Updated the copy/paste instructions
- Added a scaled plan plot
- Added a screengrab of superimposing Shellcalc© onto Google earth images
- Changed the algorithm for calculating long duration debris – this has increased the distances a bit, but is probably more accurate
- Changed the display of long burn fallout so it comes directly off the shell burst diameter at 4 points
- Updated the terrain category function
- Changed some of the term on the main screen to make it clearer
We have just run a course on getting the most from Shellcalc© – more details of upcoming courses at http://www.pyroworkshops.com
A few questions resulted from the Workshop:-
- The plots on the main screen of shell bursts may be elliptical because Excel automatically scales the x/y axes on the plots on that screen.
- Shellcalc© IS NOT a simulation tool – it is a tool for predicting shell trajectories and debris distances
- There are now 2 new graph screens where you can change the axes to maximise the information on the plot (as a normal Excel operation – right click and try) – specifically there to facilitate copy/paste and superposition on to images such as from Google Earth
- The “long burn” fallout and “normal debris” fallout plots are not meant to show exactly how the debris falls, but the distance to ground level is accurate
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