# Screen Constants ==================================
# Screen moment of inertia
J0 = 16297 # 84153.8 #slugs*ft^2
# ===================================================
sc = screen_old.screen(
weight=22100,
momentInertia=J0,
alpha=0.0,
feedSpringPos=(-8.0, 0.0),
dischargeSpringPos=(8.0, 0.0),
feedSpringStiff=(32763, 32763),
dischargeSpringStiff=(32736, 32736),
)
cw1 = screen_old.counterweight(
posX=0, posY=0, radius=0.5, weight=257.8, rpm=200, startAngle=270, counterclockwise=False
)
# cw2=screen.counterweight(posX=0,posY=0, radius=0.5, weight=160, rpm=200, startAngle=270-90, counterclockwise=False)
# cw3=screen.counterweight(posX=0,posY=0, radius=0.5, weight=160, rpm=200, startAngle=270, counterclockwise=True)
sc.addCounterWeight(cw1)
# sc.addCounterWeight(cw2)
# sc.addCounterWeight(cw3)
# Update Function ==============================
def screendynamics(state, t, sc):
return sc.update(state, t)
dt = 0.0001
end_t = 60
__author__ = "jrmccormick"
import screen_old
import numpy as np
from matplotlib import pyplot as plt
from matplotlib import gridspec
# cw1=screen.counterweight(posX=0,posY=0, radius=0.5, weight=160, rpm=200, startAngle=270, counterclockwise=True)
cw2 = screen_old.counterweight(
posX=0, posY=0, radius=0.5, weight=160, rpm=800, startAngle=270 - 90, counterclockwise=False
)
cw3 = screen_old.counterweight(posX=0, posY=0, radius=0.5, weight=320, rpm=800, startAngle=270, counterclockwise=True)
cwArr = [cw2, cw3]
dt = 0.01
end_t = 60
time = np.linspace(0, end_t, num=end_t / dt)
Xarr = []
Yarr = []
for t in time:
x = 0
y = 0
for cw in cwArr:
cw.calculateForces(t)
x += cw.fx
y += cw.fy
Xarr.append(x)
Yarr.append(y)
Xarr = np.array(Xarr)
Yarr = np.array(Yarr)
__author__ = 'jrmccormick'
import screen_old
import numpy as np
from matplotlib import pyplot as plt
from matplotlib import gridspec
cw1=screen_old.counterweight(posX=1.5,posY=-2, radius=0.5, weight=160, rpm=800, startAngle=270, counterclockwise=True)
cw2=screen_old.counterweight(posX=-2.95,posY=2.21, radius=0.5, weight=160, rpm=800, startAngle=270-90, counterclockwise=False)
cwArr=[cw1,cw2]
dt=.01
end_t=60
time = np.linspace(0, end_t, num=end_t/dt)
Xarr=[]
Yarr=[]
for t in time:
x=0
y=0
for cw in cwArr:
cw.calculateForces(t)
x+=cw.fx
y+=cw.fy
Xarr.append(x)
Yarr.append(y)
