def __init__(self, config):
self.cfg = config
self.verbose = self.cfg.get("general.verbose")
self.time_period = self.cfg.get("time.time_period")
self.delta_t = self.cfg.get("time.dt")
self.timesteps = int((self.time_period * (1.0 + self.delta_t * 1e-6)) // self.delta_t)
self.times = np.linspace(0, self.time_period, self.timesteps + 1)
# set correct delta_t
self.delta_t = self.times[1] - self.times[0]
if self.verbose:
print "Timestep used in bednet model:", self.delta_t
self.initconc = self.cfg.get("initial.init_conc")
self.dx = self.cfg.get("domain.dx")
self.dy = self.cfg.get("domain.dy")
self.nvertyarns = self.cfg.get("domain.nr_vert_yarns")
self.nhoryarns = self.cfg.get("domain.nr_hor_yarns")
self.diff_coef = self.cfg.get("diffusion.diff_coef")
self.saturation_conc = self.cfg.get("active_component.saturation_conc")
self.treshold = self.cfg.get("active_component.treshold_effect")
x0 = self.cfg.get("observer.x0")
self.x0 = np.empty(len(x0) + 1, float)
self.x0[1:] = x0[:]
# we set a distance for the yarn bc
EXTFRAC = 1.0
self.cfg_yarn = []
for filename in self.cfg.get("sample.yarn_config"):
if not os.path.isabs(filename):
filename = os.path.normpath(os.path.join(os.path.dirname(self.cfg.filename), filename))
self.cfg_yarn.append(YarnConfigManager.get_instance(filename))
# set values from the yarn on this inifile
print "time", self.time_period
self.cfg_yarn[-1].set("time.time_period", self.time_period)
self.cfg_yarn[-1].set("boundary.dist_conc_out", float(self.x0[0]))
self.cfg_yarn[-1].set("boundary.D_out", self.diff_coef)
self.cfg_yarn[-1].set("boundary.conc_out", self.initconc)
self.cfg_yarn[-1].set("domain.useextension", True)
##TODO How much overlap region? Take one yarn radius for now
self.cfg_yarn[-1].set("domain.extensionfraction", EXTFRAC)
radyarn = self.cfg_yarn[-1].get("domain.yarnradius")
for conf in self.cfg_yarn:
assert radyarn == self.cfg_yarn[-1].get("domain.yarnradius")
# we need concentration at half of the extra zone
self.x0[0] = radyarn + EXTFRAC * radyarn / 2
self.overlapsize = EXTFRAC * radyarn
self.overlaparea = np.pi * (np.power(radyarn + self.overlapsize, 2) - np.power(radyarn, 2))
# create yarn models
self.yarn_models = []
for cfg in self.cfg_yarn:
self.yarn_models.append(Yarn1DModel(cfg))
self.nr_models = len(self.yarn_models)
# some memory
self.source_mass = np.empty((self.nr_models, self.timesteps + 1), float)
# plot the result every few seconds so outcome becomes visible during calculations
self.plotevery = self.cfg.get("plot.plotevery")
radius_pure_fiber = 0.05441
form = 'ellipse'
eccentricity = 0.7
nrlayers = 2
mean_deviation = 0.0
[fiberlayer_0]
thickness = 0.001
[fiberlayer_1]
thickness = 0.001
[plot]
plotevery = 10
"""
from stick.fiber.config import FiberConfigManager
from stick.yarn.config import YarnConfigManager
from stick.lib.utils.utils import set_outputdir
cfgf1 = FiberConfigManager.get_instance('tmpfiber1.ini', realdatastr=ini_fiber1)
cfgf2 = FiberConfigManager.get_instance('tmpfiber2.ini', realdatastr=ini_fiber2)
cfg = YarnConfigManager.get_instance('tmpyarn.ini', realdatastr=ini_yarn)
if not os.path.isdir('temp'):
os.mkdir('temp')
set_outputdir('temp')
#create a 2D grid for simulate DEET diffusion process
from stick.yarn2d.yarn2dmodel import Yarn2DModel
Yarn2DModel(cfg)
print 'calculate DEET diffusion'
raw_input('Press key to quit the calculation')
def __init__(self, config):
# indicate if only one side of bednet is free, or both are free
self.singleside = False
# other settings from config
self.cfg = config
self.verbose = self.cfg.get("general.verbose")
self.time_period = self.cfg.get("time.time_period")
self.delta_t = self.cfg.get("time.dt")
self.timesteps = int((self.time_period * (1.0 + self.delta_t * 1e-6)) // self.delta_t)
# set correct delta_t
self.delta_t = self.time_period / self.timesteps
if self.verbose:
print("Timestep used in bednet model:", self.delta_t)
self.initconc = eval(self.cfg.get("initial.init_conc"))
self.dx = self.cfg.get("domain.dx")
self.dy = self.cfg.get("domain.dy")
# size room in mm
self.room_L = self.cfg.get("domain.room_L") * 1000
self.room_W = self.cfg.get("domain.room_W") * 1000
self.room_H = self.cfg.get("domain.room_H") * 1000
self.nvertyarns = self.room_W / self.dx
self.nhoryarns = self.room_H / self.dy
self.diff_coef = self.cfg.get("diffusion.diff_coef")
self.saturation_conc = self.cfg.get("active_component.saturation_conc")
self.treshold = self.cfg.get("active_component.treshold_effect")
self.x0 = self.cfg.get("observer.x0")
# define whether there is the ventilation existing
self.ventilation = self.cfg.get("domain.ventilation")
self.vel_ventilation = self.cfg.get("domain.vel_ventilation")
# we set a distance for the yarn bc
EXTFRAC = 1.0
self.cfg_yarn = []
self.radius_yarn = []
for filename in self.cfg.get("sample.yarn_config"):
if not os.path.isabs(filename):
filename = os.path.normpath(os.path.join(os.path.dirname(self.cfg.filename), filename))
self.cfg_yarn.append(YarnConfigManager.get_instance(filename))
# set values from the yarn on this inifile
print("time", self.time_period)
self.cfg_yarn[-1].set("time.time_period", self.time_period)
self.cfg_yarn[-1].set("boundary.dist_conc_out", float(self.x0[0]))
self.cfg_yarn[-1].set("boundary.D_out", self.diff_coef)
self.cfg_yarn[-1].set("boundary.conc_out", float(self.initconc(self.cfg_yarn[-1].get("domain.yarnradius"))))
self.cfg_yarn[-1].set("domain.useextension", True)
## How much overlap region? Take one yarn radius for now
self.cfg_yarn[-1].set("domain.extensionfraction", EXTFRAC)
self.radius_yarn.append(self.cfg_yarn[-1].get("domain.yarnradius"))
assert self.radius_yarn[-1] == self.radius_yarn[0], (
"ERROR, yarns"
" must have equal radius for now, as massperyarn is equally "
"distributed over the yarns"
)
# we want the overlap zone of the yarns to end at 2* maximum radius:
self.maxyarnrad = max(self.radius_yarn)
self.minyarnrad = min(self.radius_yarn)
voloverlapyarn = (
np.pi
* ((self.maxyarnrad * (1 + EXTFRAC)) ** 2 - (self.maxyarnrad ** 2))
* (self.nhoryarns * self.room_W + self.nvertyarns * self.room_H)
)
# self.endoverlap = self.maxyarnrad * (1 + EXTFRAC)
if self.singleside:
self.endoverlap = self.minyarnrad + voloverlapyarn / self.room_W / self.room_H
else:
self.endoverlap = self.minyarnrad + voloverlapyarn / self.room_W / self.room_H / 2
for config, rad in zip(self.cfg_yarn, self.radius_yarn):
config.set("domain.extensionfraction", EXTFRAC)
# create yarn models
self.yarn_models = []
for cfg in self.cfg_yarn:
self.yarn_models.append(Yarn1DModel(cfg))
self.nr_models = len(self.yarn_models)
# some memory
self.source_mass = np.empty(self.nr_models, float)
# self.mass_build = [0.,]
# plot the result every few seconds so outcome becomes visible during calculations
self.plotevery = self.cfg.get("plot.plotevery")
self.viewerwritecount = 0
self.writeevery = self.cfg.get("plot.writeevery")
# now some output on density
self.volbednet = 0.0
self.surfbednet = self.room_H * self.room_W
for rad in self.radius_yarn:
print("vert vol yarns", self.nvertyarns * pi * rad ** 2 * self.room_H, "mm3")
print("horz vol yarns", self.nhoryarns * pi * rad ** 2 * self.room_W, "mm3")
self.volbednet += self.nvertyarns * pi * rad ** 2 * self.room_H
self.volbednet += self.nhoryarns * pi * rad ** 2 * self.room_W
print("volume_bednet space =", (2 * self.maxyarnrad * self.room_H * self.room_W))
# The total volume of the bednet incl void space is the area of the
# net * the tickness of the net.
# This thickness is taken to be twice a yarndiameter.
self.totalvolume_net = self.room_H * self.room_W * 4 * self.maxyarnrad
self.voidvolume = self.totalvolume_net - self.volbednet
self.densitybednet = self.volbednet / (2 * self.maxyarnrad * self.room_H * self.room_W)
self.fabporosity = self.voidvolume / self.totalvolume_net
self.initialized = False
self.yarnconc_center = np.empty((self.timesteps, 2), float)
self.yarnconc_surface = np.empty((self.timesteps, 2), float)
