Pendulum
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breed [kroge krog] breed [lodder lod] lodder-own [ vinkel ; vinkel på udsvinget i forhold til lodret (positive vinkler venstre for lodret og negative højre for lodret) vinkelv ; vinkelhastigheden vinkela ; vinkelacceleration hastighed ; tangentiel hastighed E_pot ; potentiel energi E_kin ; kinetisk energi E_mek ; mekanisk energi delta_t ; tidsskridt ] to setup clear-all create-kroge 1 [ setxy 0 200 set size 2 set color grey set shape "square" ] create-lodder 1 [ setxy -80 (200 - sqrt( ( snorlængde ^ 2) - (80 ^ 2) )) set size 8 set shape "circle" set vinkel (atan (xcor) (-200 + ycor)) - 180 set vinkelv 0 set vinkela ( - 9.82 / snorlængde ) * sin ( vinkel ) set hastighed (snorlængde * vinkelv * sqrt( pi / 180 )) set E_kin 0.5 * masse * (hastighed ^ 2) set delta_t 0.05 ; denne kan evt. være en af parametrene som der kan ændres på vha. skyder create-link-with one-of kroge ] reset-ticks end to go move-lodder wait 0.001 tick end to move-lodder ask lodder [ set vinkela ( - 9.82 / snorlængde ) * sin ( vinkel ) set vinkelv vinkelv + vinkela * delta_t set vinkel vinkel + vinkelv * delta_t set hastighed (snorlængde * vinkelv * sqrt (pi / 180) ) set xcor 0 - sin ( vinkel ) * snorlængde set ycor 200 - cos ( vinkel ) * snorlængde set E_kin 0.5 * masse * (hastighed ^ 2) ] end
There is only one version of this model, created about 1 month ago by Solveig Skadhauge.
Attached files
File | Type | Description | Last updated | |
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Pendulum.png | preview | Preview for 'Pendulum' | about 1 month ago, by Solveig Skadhauge | Download |
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