def setUp(self):
naca = random.randint(1, 9999)
numpoints = random.randint(10, 200)
self.prof = openglider.Profile2D.compute_naca(naca, numpoints)
self.rib = Rib(
self.prof,
startpoint=[random.random(),
random.random(),
random.random()],
size=random.random(),
arcang=random.random(),
aoa=random.random(),
glide=random.random() * 10)
def setUp(self, numpoints=100):
self.prof1 = Profile2D.compute_naca(1223)
self.prof2 = Profile2D.compute_naca(1223)
for prof in [self.prof1, self.prof2]:
naca = random.randint(1, 1399)
#prof.compute_naca(naca=1223, numpoints=numpoints)
prof.close()
prof.normalize()
self.ballooning = BallooningBezier()
self.rib2 = Rib(self.prof1, self.ballooning, [0., 0.12, 0], 1.,
20 * math.pi / 180, 2 * math.pi / 180, 0, 7.)
self.rib3 = Rib(self.prof2, self.ballooning, [0.2, 0.3, -0.1], 0.8,
30 * math.pi / 180, 5 * math.pi / 180, 0, 7.)
self.rib1 = self.rib2.copy()
self.rib1.mirror()
self.cell1 = Cell(self.rib1, self.rib2)
self.cell2 = Cell(self.rib2, self.rib3)
def setUp(self):
naca = random.randint(1, 9999)
numpoints = random.randint(10,200)
self.prof = openglider.Profile2D.compute_naca(naca, numpoints)
self.rib = Rib(self.prof,
startpoint=[random.random(), random.random(), random.random()],
size=random.random(),
arcang=random.random(),
aoa=random.random(),
glide=random.random()*10)
def setup_pivy(self):
super(AoaTool, self).setup_pivy()
arc_angles = self.parametric_glider.get_arc_angles()
self.aoa_diff = [
Rib._aoa_diff(arc_angle, self.parametric_glider.glide)
for arc_angle in arc_angles
]
self.aoa_absolute_curve = pp.Line([], color='blue', width=2)
self.task_separator.addChild(self.aoa_absolute_curve.object)
def setUp(self, numpoints=100):
self.prof1 = Profile2D.compute_naca(1223)
self.prof2 = Profile2D.compute_naca(1223)
for prof in [self.prof1, self.prof2]:
naca = random.randint(1, 1399)
# prof.compute_naca(naca=1223, numpoints=numpoints)
prof.close()
prof.normalize()
self.ballooning = BallooningBezier()
self.rib2 = Rib(self.prof1, self.ballooning, [0.0, 0.12, 0], 1.0, 20 * math.pi / 180, 2 * math.pi / 180, 0, 7.0)
self.rib3 = Rib(
self.prof2, self.ballooning, [0.2, 0.3, -0.1], 0.8, 30 * math.pi / 180, 5 * math.pi / 180, 0, 7.0
)
self.rib1 = self.rib2.copy()
self.rib1.mirror()
self.cell1 = Cell(self.rib1, self.rib2)
self.cell2 = Cell(self.rib2, self.rib3)
class TestCell(unittest.TestCase):
def setUp(self, numpoints=100):
self.prof1 = Profile2D.compute_naca(1223)
self.prof2 = Profile2D.compute_naca(1223)
for prof in [self.prof1, self.prof2]:
naca = random.randint(1, 1399)
#prof.compute_naca(naca=1223, numpoints=numpoints)
prof.close()
prof.normalize()
self.ballooning = BallooningBezier()
self.rib2 = Rib(self.prof1, self.ballooning, [0., 0.12, 0], 1.,
20 * math.pi / 180, 2 * math.pi / 180, 0, 7.)
self.rib3 = Rib(self.prof2, self.ballooning, [0.2, 0.3, -0.1], 0.8,
30 * math.pi / 180, 5 * math.pi / 180, 0, 7.)
self.rib1 = self.rib2.copy()
self.rib1.mirror()
self.cell1 = Cell(self.rib1, self.rib2)
self.cell2 = Cell(self.rib2, self.rib3)
def test_show_cell(self, num=10):
#print(self.rib1.profile_2d.x_values)
ribs = [self.cell1.midrib(x * 1. / num) for x in range(num)]
ribs += [self.cell2.midrib(x * 1. / num) for x in range(num)]
Graph.Graphics([Graph.Line(x.data) for x in ribs] +
[Graph.Line(self.rib1.profile_3d.data)])
def test_mirror(self):
cell1 = self.cell2
cell2 = self.cell2.copy()
cell2.mirror()
print(cell1._basic_cell.normvectors)
print([[p, normvector] for p, normvector in zip(
cell1.prof2.data, cell1._basic_cell.normvectors)])
Graph.Graphics([
Graph.Line(cell1.rib1.profile_3d.data),
Graph.Line(cell2.rib1.profile_3d.data), Graph.Red,
Graph.Line(cell1.prof2.data),
Graph.Line(cell2.prof2.data), Graph.Green
] + [
Graph.Line([p, p + normvector]) for p, normvector in zip(
cell2.prof2.data, cell2.basic_cell.normvectors)
])
class TestCell(unittest.TestCase):
def setUp(self, numpoints=100):
self.prof1 = Profile2D.compute_naca(1223)
self.prof2 = Profile2D.compute_naca(1223)
for prof in [self.prof1, self.prof2]:
naca = random.randint(1, 1399)
# prof.compute_naca(naca=1223, numpoints=numpoints)
prof.close()
prof.normalize()
self.ballooning = BallooningBezier()
self.rib2 = Rib(self.prof1, self.ballooning, [0.0, 0.12, 0], 1.0, 20 * math.pi / 180, 2 * math.pi / 180, 0, 7.0)
self.rib3 = Rib(
self.prof2, self.ballooning, [0.2, 0.3, -0.1], 0.8, 30 * math.pi / 180, 5 * math.pi / 180, 0, 7.0
)
self.rib1 = self.rib2.copy()
self.rib1.mirror()
self.cell1 = Cell(self.rib1, self.rib2)
self.cell2 = Cell(self.rib2, self.rib3)
def test_show_cell(self, num=10):
# print(self.rib1.profile_2d.x_values)
ribs = [self.cell1.midrib(x * 1.0 / num) for x in range(num)]
ribs += [self.cell2.midrib(x * 1.0 / num) for x in range(num)]
Graph.Graphics([Graph.Line(x.data) for x in ribs] + [Graph.Line(self.rib1.profile_3d.data)])
def test_mirror(self):
cell1 = self.cell2
cell2 = self.cell2.copy()
cell2.mirror()
print(cell1._basic_cell.normvectors)
print([[p, normvector] for p, normvector in zip(cell1.prof2.data, cell1._basic_cell.normvectors)])
Graph.Graphics(
[
Graph.Line(cell1.rib1.profile_3d.data),
Graph.Line(cell2.rib1.profile_3d.data),
Graph.Red,
Graph.Line(cell1.prof2.data),
Graph.Line(cell2.prof2.data),
Graph.Green,
]
+ [Graph.Line([p, p + normvector]) for p, normvector in zip(cell2.prof2.data, cell2.basic_cell.normvectors)]
)
class TestRib(unittest.TestCase):
def setUp(self):
naca = random.randint(1, 9999)
numpoints = random.randint(10,200)
self.prof = openglider.Profile2D.compute_naca(naca, numpoints)
self.rib = Rib(self.prof,
startpoint=[random.random(), random.random(), random.random()],
size=random.random(),
arcang=random.random(),
aoa=random.random(),
glide=random.random()*10)
def test_normvectors(self):
normvectors = self.rib.normvectors
def test_align(self):
first = self.rib.pos
second = self.rib.align([0, 0, 0])
for i in range(3):
self.assertAlmostEqual(first[i], second[i])
class TestRib(unittest.TestCase):
def setUp(self):
naca = random.randint(1, 9999)
numpoints = random.randint(10, 200)
self.prof = openglider.Profile2D.compute_naca(naca, numpoints)
self.rib = Rib(
self.prof,
startpoint=[random.random(),
random.random(),
random.random()],
size=random.random(),
arcang=random.random(),
aoa=random.random(),
glide=random.random() * 10)
def test_normvectors(self):
normvectors = self.rib.normvectors
def test_align(self):
first = self.rib.pos
second = self.rib.align([0, 0, 0])
for i in range(3):
self.assertAlmostEqual(first[i], second[i])
def import_ods(filename, glider):
ods = ezodf.opendoc(filename)
sheets = ods.sheets
# Profiles -> map xvalues
profiles = [Profile2D(profile) for profile in transpose_columns(sheets[3])]
xvalues = sorted(profiles, key=lambda prof: prof.numpoints)[0].x_values # Use airfoil with maximum profilepoints
for profile in profiles:
profile.x_values = xvalues
# Ballooning old : 1-8 > upper (prepend/append (0,0),(1,0)), 9-16 > lower (same + * (1,-1))
balloonings_temp = transpose_columns(sheets[4])
balloonings = []
for baloon in balloonings_temp:
upper = [[0, 0]] + baloon[:7] + [[1, 0]]
lower = [[0, 0]] + [[i[0], -1 * i[1]] for i in baloon[8:15]] + [[1, 0]]
balloonings.append(BallooningBezier(upper, lower))
# Data
data = {}
datasheet = sheets[-1]
assert isinstance(datasheet, ezodf.Sheet)
for i in range(datasheet.nrows()):
data[datasheet.get_cell([i, 0]).value] = datasheet.get_cell([i, 1]).value
#print(data["GLEITZAHL"])
glider.data = data
cells = []
main = sheets[0]
x = y = z = span_last = 0.
alpha2 = 0.
thisrib = None
for i in range(1, main.nrows()):
line = [main.get_cell([i, j]).value for j in range(main.ncols())]
if not line[0]:
break # skip empty line
chord = line[1] # Rib-Chord
span = line[2] # spanwise-length (flat)
alpha1 = alpha2 # angle before the rib
alpha2 += line[4] * np.pi / 180 # angle after the rib
alpha = (span > 0) * (alpha1 + alpha2) * 0.5 + line[6] * np.pi / 180 # rib's angle
x = line[3] # x-value -> front/back (ribwise)
y += np.cos(alpha1) * (span - span_last) # y-value -> spanwise
z -= np.sin(alpha1) * (span - span_last) # z-axis -> up/down
aoa = line[5] * np.pi / 180
zrot = line[7] * np.pi / 180
span_last = span
profile = merge(line[8], profiles)
ballooning = merge(line[9], balloonings)
lastrib = thisrib
thisrib = Rib(profile, np.array([x, y, z]), chord, alpha, aoa, zrot, data["GLIDE"],
name="Rib ({})".format(i))
if i == 1 and y != 0: # Middle-cell
#print("midrib!", y)
lastrib = thisrib.copy()
lastrib.mirror()
if lastrib:
cell = Cell(lastrib, thisrib, ballooning)
cell.name = "Cell_no"+str(i)
cells.append(cell)
glider.cells = cells
glider.close_rib()
######################################LINESET######################################################
attachment_points = [AttachmentPoint(glider.ribs[args[0]], args[1], args[2]) for args in read_elements(sheets[2], "AHP", len_data=2)]
attachment_points.sort(key=lambda element: element.name)
attachment_points_lower = get_lower_aufhaengepunkte(glider.data)
for p in attachment_points:
p.force = np.array([0, 0, 10])
p.get_position()
glider.lineset = tolist_lines(sheets[6], attachment_points_lower, attachment_points)
glider.lineset.recalc()
####################################PANELS##########################################################
cuts = [cut+[1, glider.data["Designzugabe"]] for cut in read_elements(sheets[1], "DESIGNO")]
cuts += [cut+[1, glider.data["Designzugabe"]] for cut in read_elements(sheets[1], "DESIGNM")]
cuts += [cut+[2, glider.data["EKzugabe"]] for cut in read_elements(sheets[1], "EKV")]
cuts += [cut+[2, glider.data["EKzugabe"]] for cut in read_elements(sheets[1], "EKH")]
for i, cell in enumerate(glider.cells): # cut = [cell_no, x_left, x_right, cut_type, amount_add]
cuts_this = [cut for cut in cuts if cut[0] == i]
cuts_this.sort(key=lambda cut: cut[1])
cuts_this.sort(key=lambda cut: cut[2])
# Insert leading-/trailing-edge
cuts_this.insert(0, [i, -1, -1, 3, glider.data["HKzugabe"]])
cuts_this.append([i, 1, 1, 3, glider.data["HKzugabe"]])
cell.panels = []
for j in range(len(cuts_this)-1):
if cuts_this[j][3] != 2 or cuts_this[j+1][3] != 2: # skip entry
cell.panels.append(Panel(cuts_this[j][1:], cuts_this[j+1][1:]))
return glider
a = Profile2D()
a.importdat(os.path.dirname(os.path.abspath(__file__)) + "/testprofile.dat")
#a.Numpoints = 40
midribs = [
#MiniRib(0.2, 0.8, 1),
MiniRib(0.5, 0.7, 1),
#MiniRib(0.8, 0.8, 1),
]
b1 = BallooningBezier()
b2 = BallooningBezier()
b2.Amount *= 0.8
r2 = Rib(a, b1, [0, 0.12, 0], 1., 20 * math.pi / 180, 2 * math.pi / 180, 0, 7)
r1 = r2.copy()
r1.mirror()
r3 = Rib(a, b2, [0.2, 0.3, -0.1], 0.8, 30 * math.pi / 180, 5 * math.pi / 180, 0, 7)
cell1 = Cell(r1, r2, midribs)
cell1.recalc()
cell2 = Cell(r2, r3, [])
cell2.recalc()
num = 20
#ribs = [cell1.midrib(x*1./num) for x in range(num+1)]
#ribs += [cell2.midrib(x*1./num) for x in range(num+1)]
#G.Graphics3D([G.Line(r1.profile_3d.data),G.Line(r2.profile_3d.data),G.Line([[0.,0.,0.],[1.,0.,0.]]),G.Line([[0.,0.,0.],[0.,0.5,0.]])])
#Graph.Graphics3D([Graph.Line(x.data) for x in ribs])
def get_glider_3d(self, glider=None, num=50, num_profile=None):
"""returns a new glider from parametric values"""
glider = glider or Glider()
ribs = []
self.rescale_curves()
x_values = self.shape.rib_x_values
shape_ribs = self.shape.ribs
profile_merge_curve = self.profile_merge_curve.interpolation(num=num)
ballooning_merge_curve = self.ballooning_merge_curve.interpolation(
num=num)
aoa_int = self.aoa.interpolation(num=num)
zrot_int = self.zrot.interpolation(num=num)
arc_pos = list(self.arc.get_arc_positions(x_values))
rib_angles = self.arc.get_rib_angles(x_values)
if self.num_profile is not None:
num_profile = self.num_profile
if num_profile is not None:
profile_x_values = Distribution.from_cos_distribution(num_profile)
else:
profile_x_values = self.profiles[0].x_values
rib_holes = self.elements.get("holes", [])
rigids = self.elements.get("rigidfoils", [])
cell_centers = [(p1 + p2) / 2
for p1, p2 in zip(x_values[:-1], x_values[1:])]
offset_x = shape_ribs[0][0][1]
for rib_no, pos in enumerate(x_values):
front, back = shape_ribs[rib_no]
arc = arc_pos[rib_no]
startpoint = np.array([-front[1] + offset_x, arc[0], arc[1]])
chord = abs(front[1] - back[1])
factor = profile_merge_curve(abs(pos))
profile = self.get_merge_profile(factor)
profile.name = "Profile{}".format(rib_no)
profile.x_values = profile_x_values
this_rib_holes = [
RibHole(ribhole["pos"], ribhole["size"])
for ribhole in rib_holes if rib_no in ribhole["ribs"]
]
this_rigid_foils = [
RigidFoil(rigid["start"], rigid["end"], rigid["distance"])
for rigid in rigids if rib_no in rigid["ribs"]
]
ribs.append(
Rib(profile_2d=profile,
startpoint=startpoint,
chord=chord,
arcang=rib_angles[rib_no],
glide=self.glide,
aoa_absolute=aoa_int(pos),
zrot=zrot_int(pos),
holes=this_rib_holes,
rigidfoils=this_rigid_foils,
name="rib{}".format(rib_no)))
ribs[-1].aoa_relative = aoa_int(pos)
if self.shape.has_center_cell:
new_rib = ribs[0].copy()
new_rib.name = "rib0"
new_rib.mirror()
new_rib.mirrored_rib = ribs[0]
ribs.insert(0, new_rib)
cell_centers.insert(0, 0.)
glider.cells = []
for cell_no, (rib1, rib2) in enumerate(zip(ribs[:-1], ribs[1:])):
ballooning_factor = ballooning_merge_curve(cell_centers[cell_no])
ballooning = self.merge_ballooning(ballooning_factor)
cell = Cell(rib1, rib2, ballooning, name="c{}".format(cell_no + 1))
glider.cells.append(cell)
glider.close_rib()
# CELL-ELEMENTS
self.get_panels(glider)
self.apply_diagonals(glider)
for minirib in self.elements.get("miniribs", []):
data = minirib.copy()
cells = data.pop("cells")
for cell_no in cells:
glider.cells[cell_no].miniribs.append(MiniRib(**data))
# RIB-ELEMENTS
#self.apply_holes(glider)
glider.rename_parts()
glider.lineset = self.lineset.return_lineset(glider, self.v_inf)
glider.lineset.glider = glider
glider.lineset.calculate_sag = False
for _ in range(3):
glider.lineset.recalc()
glider.lineset.calculate_sag = True
glider.lineset.recalc()
return glider
a = Profile2D()
a.importdat(os.path.dirname(os.path.abspath(__file__)) + "/testprofile.dat")
# a.Numpoints = 40
midribs = [
# MiniRib(0.2, 0.8, 1),
MiniRib(0.5, 0.7, 1),
# MiniRib(0.8, 0.8, 1),
]
b1 = BallooningBezier()
b2 = BallooningBezier()
b2.Amount *= 0.8
r2 = Rib(a, b1, [0, 0.12, 0], 1.0, 20 * math.pi / 180, 2 * math.pi / 180, 0, 7)
r1 = r2.copy()
r1.mirror()
r3 = Rib(a, b2, [0.2, 0.3, -0.1], 0.8, 30 * math.pi / 180, 5 * math.pi / 180, 0, 7)
cell1 = Cell(r1, r2, midribs)
cell1.recalc()
cell2 = Cell(r2, r3, [])
cell2.recalc()
num = 20
# ribs = [cell1.midrib(x*1./num) for x in range(num+1)]
# ribs += [cell2.midrib(x*1./num) for x in range(num+1)]
# G.Graphics3D([G.Line(r1.profile_3d.data),G.Line(r2.profile_3d.data),G.Line([[0.,0.,0.],[1.,0.,0.]]),G.Line([[0.,0.,0.],[0.,0.5,0.]])])
# Graph.Graphics3D([Graph.Line(x.data) for x in ribs])
def excelimport(filename):
imp = open_workbook(filename)
ribsheet = sheettolist(
imp.sheet_by_index(0)
) ### cellnr/chord/xval/yval/arcangle/aoa/z-rot/arcrot-offset/merge/baloon
cellsheet = sheettolist(imp.sheet_by_index(1))
######import profiles
profiles = profileimp(imp.sheet_by_index(3))
xvalues = profiles[0].XValues
for profil in profiles:
profil.XValues = xvalues
######import ballooning
def merge(factor):
num = int(factor)
val = factor - num
if val > 0 and num < len(profiles):
prof = profiles[num] * (1 - val) + profiles[num + 1] * val
else:
prof = profiles[num]
return prof
rippen = []
arcang = 0.
front = [0., 0., 0.]
for i in range(1, len(ribsheet)):
# row: num, chord, x, y, angle, aoa, z-rot, angle-offset, merge, balloonmerge
# airfoil:
profil = merge(ribsheet[i, 8])
# Ballooning
# Rib
# Cell
#rippen.append(Rib(profil,front,arcang,ribsheet[i,5],zrot,glide,"Rib_"+str(i)))
# Mittelzelle -> rib.mirror, append mirrorrib, rib
print("jo hier kommt die Aufbauarbeit")
"""
old mathematica code:
aoaabs={};
alpha2=0;
z=0;
x=0;
{
Table[
spw=excel[[i,3]];
y=excel[[i,4]];
chord=excel[[i,2]];
alpha1=alpha2;
alpha2+=excel[[i,5]]*Pi/180;
If[x==0,alpha=0,alpha=(alpha1+alpha2)/2];
If[i>1,z=z-Sin[alpha1]*(spw-excel[[i-1,3]])];
x=x+Cos[alpha1]*(spw-If[i>1,excel[[i-1,3]],0]);
beta=ArcTan[Cos[alpha]/gleitzahl]-excel[[i,6]]*Pi/180;(*Anstellwinkel*)
AppendTo[aoaabs,{spw,-beta*180/Pi}];
gamma=ArcTan[Sin[alpha]/gleitzahl]*excel[[i,7]];(*faktor 0-1; winkel um profilz-achse*)
rot1=RotationMatrix[alpha+excel[[i,8]]/180.*Pi,{0,1,0}];(*um profilxachse, +offset*)
rot2=RotationMatrix[beta,rot1.{1,0,0}].rot1;
rot3=RotationMatrix[gamma,rot2.{0,0,1}].rot2;
rot=chord*rot3;
trans={x,y,z};
{trans,rot},{i,Length[excel]}]
"""
ab = Rib()
ab.profile_2d = merge(ribsheet[i, 8])
ab.AOA = [ribsheet[i, 6], False]
#ab.arcang=
ab.name = "rib" + str(i + 1)
#ab.glide
#ab.zrot
#ab.pos
#ab.ReCalc()
rippen.append(ab)
###bp=int(fak) fak=fak-int(fak)
###if fak>0 -> bneu=b[bp]*(1-fak)+bneu[bp+1]*fak else b[bp]
###
Graphics[[Line(i.profile3D) for i in rippen]]
return rippen
def excelimport(filename):
imp = open_workbook(filename)
ribsheet = sheettolist(
imp.sheet_by_index(0)) ### cellnr/chord/xval/yval/arcangle/aoa/z-rot/arcrot-offset/merge/baloon
cellsheet = sheettolist(imp.sheet_by_index(1))
######import profiles
profiles = profileimp(imp.sheet_by_index(3))
xvalues = profiles[0].XValues
for profil in profiles:
profil.XValues = xvalues
######import ballooning
def merge(factor):
num = int(factor)
val = factor - num
if val > 0 and num < len(profiles):
prof = profiles[num] * (1 - val) + profiles[num + 1] * val
else:
prof = profiles[num]
return prof
rippen = []
arcang = 0.
front = [0., 0., 0.]
for i in range(1, len(ribsheet)):
# row: num, chord, x, y, angle, aoa, z-rot, angle-offset, merge, balloonmerge
# airfoil:
profil = merge(ribsheet[i, 8])
# Ballooning
# Rib
# Cell
#rippen.append(Rib(profil,front,arcang,ribsheet[i,5],zrot,glide,"Rib_"+str(i)))
# Mittelzelle -> rib.mirror, append mirrorrib, rib
print("jo hier kommt die Aufbauarbeit")
"""
old mathematica code:
aoaabs={};
alpha2=0;
z=0;
x=0;
{
Table[
spw=excel[[i,3]];
y=excel[[i,4]];
chord=excel[[i,2]];
alpha1=alpha2;
alpha2+=excel[[i,5]]*Pi/180;
If[x==0,alpha=0,alpha=(alpha1+alpha2)/2];
If[i>1,z=z-Sin[alpha1]*(spw-excel[[i-1,3]])];
x=x+Cos[alpha1]*(spw-If[i>1,excel[[i-1,3]],0]);
beta=ArcTan[Cos[alpha]/gleitzahl]-excel[[i,6]]*Pi/180;(*Anstellwinkel*)
AppendTo[aoaabs,{spw,-beta*180/Pi}];
gamma=ArcTan[Sin[alpha]/gleitzahl]*excel[[i,7]];(*faktor 0-1; winkel um profilz-achse*)
rot1=RotationMatrix[alpha+excel[[i,8]]/180.*Pi,{0,1,0}];(*um profilxachse, +offset*)
rot2=RotationMatrix[beta,rot1.{1,0,0}].rot1;
rot3=RotationMatrix[gamma,rot2.{0,0,1}].rot2;
rot=chord*rot3;
trans={x,y,z};
{trans,rot},{i,Length[excel]}]
"""
ab = Rib()
ab.profile_2d = merge(ribsheet[i, 8])
ab.AOA = [ribsheet[i, 6], False]
#ab.arcang=
ab.name = "rib" + str(i + 1)
#ab.glide
#ab.zrot
#ab.pos
#ab.ReCalc()
rippen.append(ab)
###bp=int(fak) fak=fak-int(fak)
###if fak>0 -> bneu=b[bp]*(1-fak)+bneu[bp+1]*fak else b[bp]
###
Graphics[[Line(i.profile3D) for i in rippen]]
return rippen
import openglider.airfoil
from openglider.glider.ballooning import BallooningBezier
from openglider.plots.projection import flatten_list
import openglider.plots
from openglider.glider.cell import Cell
from openglider.glider.rib import Rib
import numpy
__author__ = 'simon'
prof = openglider.airfoil.Profile2D()
prof.importdat(os.path.dirname(os.path.abspath(__file__)) + "/testprofile.dat")
ballooning = BallooningBezier()
balloon = [ballooning(i) for i in prof.x_values]
r1 = Rib(prof, ballooning, [0., 0.12, 0], 1., 20 * math.pi / 180,
2 * math.pi / 180, 0, 7.)
r2 = r1.copy()
r2.mirror()
left, right = flatten_list(r2.profile_3d.data, r1.profile_3d.data)
ding = [numpy.array([0, 0]), numpy.array([1., 0])]
#[numpy.array([0,0]),numpy.array([1,0])
cell = Cell(r1, r2)
left2, right2 = flattened_cell(cell)
left_out = left2.copy()
left_out.add_stuff(-0.02)
right_out = right2.copy()
right_out.add_stuff(0.02)
import tempfile from openglider.airfoil.parametric import BezierProfile2D from openglider.glider.cell import Cell from openglider.glider.rib import Rib from openglider.glider import Glider from openglider.glider.ballooning import BallooningBezier from openglider.graphics import Graphics3D, Polygon, Line from openglider.glider.in_out.export_3d import export_obj path = "/tmp/cell.obj" # a tool to optimize a parafoil for a given cell geometry ar = 0.1 bal = BallooningBezier() profile = BezierProfile2D.compute_naca(2412) rib0 = Rib(profile, [0, -ar / 2, 0], 1, 0., 0., 0., 999999.) rib1 = Rib(profile, [0, ar / 2, 0], 1, 0., 0., 0., 999999.) cell1 = Cell(rib0, rib1, bal) glider = Glider([cell1]) export_obj(glider, path, midribs=40, numpoints=50, floatnum=6, copy=False)
def import_ods(filename, glider=None):
ods = ezodf.opendoc(filename)
sheets = ods.sheets
# Profiles -> map xvalues
profiles = [Profile2D(profile) for profile in transpose_columns(sheets[3])]
xvalues = sorted(profiles, key=lambda prof: prof.numpoints)[0].x_values # Use airfoil with maximum profilepoints
for profile in profiles:
profile.x_values = xvalues
# Ballooning old : 1-8 > upper (prepend/append (0,0),(1,0)), 9-16 > lower (same + * (1,-1))
balloonings_temp = transpose_columns(sheets[4])
balloonings = []
for baloon in balloonings_temp:
upper = [[0, 0]] + baloon[:7] + [[1, 0]]
lower = [[0, 0]] + [[i[0], -1 * i[1]] for i in baloon[8:15]] + [[1, 0]]
balloonings.append(BallooningBezier([upper, lower]))
# Data
data = {}
datasheet = sheets[-1]
assert isinstance(datasheet, ezodf.Sheet)
for i in range(datasheet.nrows()):
data[datasheet.get_cell([i, 0]).value] = datasheet.get_cell([i, 1]).value
#print(data["GLEITZAHL"])
glider.data = data
cells = []
main = sheets[0]
x = y = z = span_last = 0.
alpha2 = 0.
thisrib = None
# TODO: Glide -> DATAIMPORT
for i in range(1, main.nrows()):
line = [main.get_cell([i, j]).value for j in range(main.ncols())]
if not line[0]:
#print("leere zeile:", i, main.nrows())
break
chord = line[1] # Rib-Chord
span = line[2] # spanwise-length (flat)
alpha1 = alpha2 # angle before the rib
alpha2 += line[4] * numpy.pi / 180 # angle after the rib
alpha = (span > 0) * (alpha1 + alpha2) * 0.5 + line[6] * numpy.pi / 180 # rib's angle
x = line[3] # x-value -> front/back (ribwise)
y += numpy.cos(alpha1) * (span - span_last) # y-value -> spanwise
z -= numpy.sin(alpha1) * (span - span_last) # z-axis -> up/down
aoa = line[5] * numpy.pi / 180
zrot = line[7] * numpy.pi / 180
span_last = span
profile = merge(line[8], profiles)
ballooning = merge(line[9], balloonings)
lastrib = thisrib
thisrib = Rib(profile, ballooning, numpy.array([x, y, z]), chord, alpha, aoa, zrot, data["GLEITZAHL"])
if i == 1 and y != 0: # Middle-cell
#print("midrib!", y)
lastrib = thisrib.copy()
lastrib.mirror()
if lastrib:
cell = Cell(lastrib, thisrib, [])
cell.name = "Cell_no"+str(i)
cells.append(cell)
if glider:
glider.cells = cells
glider.close_rib()
glider.attachment_points = read_elements(sheets[2], "AHP", AttachmentPoint)
glider.attachment_points_lower = get_lower_aufhaengepunkte(glider.data)
for p in glider.attachment_points:
p.force = numpy.array([0, 0, 1])
p.get_position(glider)
glider.lines = tolist_lines(sheets[6], glider.attachment_points_lower, glider.attachment_points)
glider.lines.calc_geo()
glider.lines.calc_sag()
return
return cells
from openglider.glider.ballooning import BallooningBezier from openglider.plots.projection import flatten_list import openglider.plots from openglider.glider.cell import Cell from openglider.glider.rib import Rib import numpy __author__ = 'simon' prof = openglider.airfoil.Profile2D() prof.importdat(os.path.dirname(os.path.abspath(__file__)) + "/testprofile.dat") ballooning = BallooningBezier() balloon = [ballooning(i) for i in prof.x_values] r1 = Rib(prof, ballooning, [0., 0.12, 0], 1., 20 * math.pi / 180, 2 * math.pi / 180, 0, 7.) r2 = r1.copy() r2.mirror() left, right = flatten_list(r2.profile_3d.data, r1.profile_3d.data) ding = [numpy.array([0, 0]), numpy.array([1., 0])] #[numpy.array([0,0]),numpy.array([1,0]) cell = Cell(r1, r2) left2, right2 = flattened_cell(cell) left_out = left2.copy() left_out.add_stuff(-0.02) right_out = right2.copy() right_out.add_stuff(0.02)
