def test_constructor3(self):
fname = "Materials.txt"
mat = materials.materials(fname)
for k in range(0, len(mat)):
self.assertTrue(mat[k] != None)
def test_constructor4(self):
fname = "Materials.txt"
mat = materials.materials(fname)
for k in range(0, len(mat)):
name, dens = mat[k]
if k > 0:
self.assertTrue(dens >= 0.0)
else:
self.assertTrue(dens < 0.0)
def importMaterials(school_id, branch_id, team_element_id):
try:
objectList = materialsApi.materials({
"school_id": school_id,
"branch_id": branch_id,
"team_element_id": team_element_id
})
if objectList is None:
error.log(__file__, False, "Unknown Object")
return False
if not "status" in objectList:
error.log(__file__, False, "Unknown Object")
return False
if objectList["status"] == "ok":
unique = {
"school_id": str(school_id),
"branch_id": str(branch_id),
"team_element_id": str(team_element_id)
}
element = {
"school_id": str(school_id),
"branch_id": str(branch_id),
"team_element_id": str(team_element_id),
"materials": objectList["materials"]
}
status = sync.sync(db.team_elements, unique, element)
return True
else:
if "error" in objectList:
error.log(__file__, False, objectList["error"])
return False
else:
error.log(__file__, False, "Unknown error")
return False
except Exception, e:
error.log(__file__, False, str(e))
return False
def init_fuselage(self):
self._max_fuselage_iterations = None # Don't change without contacting Max
self._Wfus_aft = 50 # weight of the aft section of the fuselage
self.Wfus_aft_xbar = None # centroid of the aft section of the fuselage
self._Wfus_aft_ybar = None # centroid of the aft section of the fuselage
self.Wfus_aft_zbar = None # centroid of the aft section of the fuselage
self._cockpitbulkhead = 2.2 + self.proplength # m, back of the cockpit
self._framesamount = 8 # [-] amount of frames behind the cockpit bulkhead in the fuselage
self.framelocs = np.array([
self._cockpitbulkhead +
(self.fuselagelength - self.cockpitbulkhead) * n /
(self.framesamount + 1) for n in range(self.framesamount + 1)
])[::-1]
self.skin_t = 2.5 # 2.138574136 # 2.0 # [mm] thickness of the skin
self.skin_t_func = None # Only change if a custom skin thickness function is required. Two arguments: First is skin_t, second is y position where the thickness should be taken.
self.mats = materials()
self.stringermod = 1.0 # 1.5 # 2.23937285795561 # 1.0 # one-dimensional scaling parameter for stringers, geometry stays the same.
self.circstringermod = 1.0 # 1.5 # 2.62916210608877 # 1.0 # one-dimensional scaling parameter for stringers in circular area, geometry stays the same.
self.longeronmod = 4. # 3.36724386380556 # 4.0 # one-dimensional scaling parameter for longerons, geometry stays the same.
self.stringermat = self.mats['alu2024']
self.circstringermat = self.mats['alu2024']
self.longeronmat = self.mats['carbonfibre']
self._n_stiff = 6 # Amount of stiffeners per panel
self.n_stiff_circ = 12 # Amount of stringers total for circular section
self.n_longs = 4 # Can't change, only to 0 if longerons should be disabled
self.n_stringers = np.ones(8, dtype=int) * self.n_stiff
self.n_stringers[0] = self.n_stiff // 2
self.n_stringers[4] = self.n_stiff // 2
self.material_regular = self.mats['alu7075']
self.material_circular = self.mats['carbonfibre']
self.batteryinfuselage = True
self._batteryoffset = 0.1 # [m] battery distance behind the cockpit aft bulkhead
self._batterywidth = 0.2 # [m] distance of second attachment point of the battery from the first
self.yout = None
self._fuselage = None # Fuselage object, don't change without contacting Max
self.loads = None # Loads acting on the fuselage
if self.batteryinfuselage:
self.xcgbat = self._cockpitbulkhead + self._batteryoffset + self._batterywidth * 0.5
else:
self.xcgbat = 0.7
self.emergencyparachute = self.cockpitbulkhead + self.batteryoffset + self.batterywidth + 0.1
self.nosegearfraction = 0.08
def importMaterials ( school_id, branch_id, team_element_id ):
try:
objectList = materialsApi.materials({
"school_id" : school_id,
"branch_id" : branch_id,
"team_element_id" : team_element_id
})
if objectList is None:
error.log(__file__, False, "Unknown Object")
return False
if not "status" in objectList:
error.log(__file__, False, "Unknown Object")
return False
if objectList["status"] == "ok":
unique = {
"school_id" : str(school_id),
"branch_id" : str(branch_id),
"team_element_id" : str(team_element_id)
}
element = {
"school_id" : str(school_id),
"branch_id" : str(branch_id),
"team_element_id" : str(team_element_id),
"materials" : objectList["materials"]
}
status = sync.sync(db.team_elements, unique, element)
return True
else:
if "error" in objectList:
error.log(__file__, False, objectList["error"])
return False
else:
error.log(__file__, False, "Unknown error")
return False
except Exception, e:
error.log(__file__, False, str(e))
return False
def newRec(self, code=0, name='', priceForGramm=0):
self.appendList(materials(code, name, priceForGramm))
setattr(
vnew, parameter,
change_parameter(minmax,
baseval,
False,
amount=amountoptimize)[0])
else:
increase_results.append(None)
return save_fuselage(vnew)
if __name__ == "__main__":
from materials import materials
t = np.vectorize(partial(skinthickness, 1))
Wbat = 256 * 9.81
mats = materials()
stringerargs = constructstringerarg(1.0, mats['alu2024'])
circstringerargs = constructstringerarg(1.0, mats['alu2024'])
longargs = constructlongeronarg(4.0, mats['carbonfibre'])
n_stringers = np.ones(8) * 5
n_stiff_circ = 6
n_longs = 8
class V:
def __init__(self):
self.cockpitbulkhead = 2.2 + 0.3
v = V()
fus, framelocs = make_fuselage(
v,
t,
def test_constructor2(self):
fname = "Materials.txt"
mat = materials.materials(fname)
self.assertTrue(len(mat) == 5)
def test_constructor(self):
fname = "Materials.txt"
mat = materials.materials(fname)
self.assertTrue(mat.mats() != None)