def d_a(self, k: float = 0.5, pretty=False):
if not self.properties.geometry.solved:
self.solvegeometry()
d_a = 3.4 * math.pow(
self.M_b() /
((1 - math.pow(k, 4)) * self.properties.material.sigma_bWN),
1 / 3) * ureg.meter
if pretty:
formArray = [
[self.M_b(pretty=True)[1].data[1:-1]],
[
r"d_{a} = \approx 3.4 " + Latex.sqrt(
Latex.frac(r"M_{b}",
r"\left(1 - k^4 \right) \sigma_{bWN}"), 3) +
r" \rightarrow 3.4 [m] " + Latex.sqrt(
Latex.frac(
self.M_b(),
r"\left(1 - " + str(k) + r"^{4} " + r"\right)" +
Latex.toStr(self.properties.material.sigma_bWN)),
3) + r" \approx " + Latex.toStr(d_a)
]
]
pr = Latex.display(Latex.array(formArray))
return [d_a, pr]
else:
return d_a
def test_toStr(self):
testStr = r"\sigma"
testFloat = 0.666
testInt = 666
self.assertEqual(Latex.toStr(testStr), "\\sigma")
self.assertEqual(Latex.toStr(testFloat), '6.66 \\cdot 10^{-1}')
self.assertEqual(Latex.toStr(testInt), '6.66 \\cdot 10^{2}')
def M_max(self, pretty=False):
M_max = np.max(self.M) * ureg.N * ureg.m**-2
if pretty:
pr = Latex.display(
Latex.toStr(r"M_{max} = \max(M_{nom}) \rightarrow " +
Latex.toStr(M_max)))
return [M_max, pr]
else:
return M_max
def flowrate(v, A, pretty=False):
Q = v * A
Q = Q.to_base_units()
if pretty:
pr = Latex.display(Latex.toStr(
r"Q_{f} = v_{f} \times A \rightarrow " + Latex.toStr(v) + r" \times " + Latex.toStr(
A) + r" = " + Latex.toStr(Q)))
return [Q, pr]
return Q
def M_b(self, pretty=False):
M_b = self.M_max() * self.properties.appliancefactor.K_a
if pretty:
pr = Latex.display(
Latex.toStr(r"M_{b} = K_A \max(M_{nom}) \times \rightarrow " +
Latex.toStr(self.properties.appliancefactor.K_a) +
r" \times " + Latex.toStr(self.M_max()) + r" = " +
Latex.toStr(self.M_b())))
return [M_b, pr]
else:
return M_b
def test_unit(self):
test_unit_n = 0.666 * ureg.N
test_unit_a = 3.333 * ureg.mm**2
test_unit = test_unit_n / test_unit_a
self.assertEqual(
Latex.toStr(test_unit),
'2.00 \\cdot 10^{-1} \\left[\\frac{N}{mm^{2}}\\right]')
def test_combined(self):
test_unit_n = 0.666 * ureg.N**2
test_unit_a = 3.333 * ureg.mm**200
test_unit_p = test_unit_n / test_unit_a
test_result = math.sqrt(test_unit_p.magnitude) * ureg.Pa * ureg.m**-98
self.assertEqual(
r'$\sqrt{\frac{6.66 \cdot 10^{-1} \left[N^{2}\right]}{3.33 \left[mm^{200}\right]}} = 4.47 \cdot 10^{-1} \left[\frac{Pa}{m^{98}}\right]$',
Latex.formulaprint(
Latex.sqrt(Latex.frac(test_unit_n, test_unit_a)) + r" = " +
Latex.toStr(test_result)))
def d_prime(self, pretty=False):
if not self.properties.geometry.solved:
self.solvegeometry()
d_prime = 3.4 * math.pow(
self.M_b() / self.properties.material.sigma_bWN,
1 / 3) * ureg.meter
if pretty:
formArray = [
[self.M_b(pretty=True)[1].data[1:-1]],
[
r"d^{'} = \approx 3.4 " +
Latex.sqrt(Latex.frac(r"M_{b}", r"\sigma_{bWN}"), 3) +
r" \rightarrow 3.4 [m] " + Latex.sqrt(
Latex.frac(self.M_b(),
self.properties.material.sigma_bWN), 3) +
r" \approx " + Latex.toStr(d_prime)
]
]
pr = Latex.display(Latex.array(formArray))
return [d_prime, pr]
else:
return d_prime
def Reynolds(v, D, rho=None, mu=None, nu=None, fluid=None, pretty=False):
if mu is not None and rho is not None:
Re = (v * D * rho) / mu
Re = Re.to_base_units()
if pretty:
pr = Latex.display(
Latex.toStr(r"Re = \frac{v{f} \times D_i \times \rho_{f}}{\mu_{f}} \rightarrow \frac{" + Latex.toStr(
v) + r" \times " + Latex.toStr(D) + r" \times " + Latex.toStr(rho) + r"}{" + Latex.toStr(
mu) + r"} = " + Latex.toStr(Re)))
return [Re, pr]
else:
return Re
elif nu is not None:
Re = (v * D) / nu
Re = Re.to_base_units()
if pretty:
pr = Latex.display(
Latex.toStr(r"Re = \frac{v{f} \times D_{i}}{\nu_{f}} \rightarrow \frac{" + Latex.toStr(
v) + r" \times " + Latex.toStr(D) + r" \times " + Latex.toStr(rho) + r"}{" + Latex.toStr(
mu) + r"} = " + Latex.toStr(Re)))
return [Re, pr]
else:
return Re
elif fluid is not None:
Re = (v * D.to('m') * fluid.rho) / fluid.mu
Re = Re.to_base_units()
if pretty:
pr = Latex.display(Latex.toStr(
r"Re = \frac{v{f} \times D_i \times \rho_{f}}{\mu_{f}} \rightarrow \frac{" + Latex.toStr(
v) + r" \times " + Latex.toStr(D) + r" \times " + Latex.toStr(fluid.rho) + r"}{" + Latex.toStr(
fluid.mu) + r"} = " + Latex.toStr(Re)))
return [Re, pr]
else:
return Re
else:
print('Error! Either fill in mu, nu or a fluid')
return None
return Re