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)] )
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]) ribs = []
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]) ribs = []
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
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
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) openglider.graphics.Graphics2D([
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)