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tmany-grain-collision.sh - granular - granular dynamics simulation |
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git clone git://src.adamsgaard.dk/granular |
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Log |
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Files |
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Refs |
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README |
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LICENSE |
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tmany-grain-collision.sh (745B) |
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1 #!/bin/sh |
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2 |
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3 # stop the shell script if there's an error |
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4 set -e |
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5 |
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6 # set a common id string for files |
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7 id=many-grain-collision |
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8 |
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9 # remove any old files associated with this id |
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10 rm -f ${id}.grains.*.{tsv,png} ${id}.mp4 |
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11 |
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12 # create a single grain and a granular packing, and simulate the interac… |
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13 (granulargrain -R -u 1.0 -y 2.5; granularpacking -X 2.2) | granular -e 4… |
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14 |
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15 # plot grain positions over time, colored by their horizontal velocity |
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16 for f in ${id}.grains.*.tsv; do |
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17 granular2img -f '$5' -l 'x velocity [m/s]' -t png < "$f" > "${f%… |
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18 done |
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19 |
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20 # combine grain plots into animation |
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21 ffmpeg -y -framerate 5 -i ${id}.grains.%05d.png \ |
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22 -c:v libx264 -r 30 -pix_fmt yuv420p ${id}.mp4 |
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23 |
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24 # open animation |
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25 xdg-open ${id}.mp4 |
