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описал движение в 3 фазе #2

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описал движение в 3 фазе #2

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2eba31c
описал движение в 3 фазе
Hlopunoff Mar 22, 2022
ff3caea
сделал движение в обе стороны, но есть косяк со скоростью
Hlopunoff Mar 23, 2022
b3a9bbf
Удалена возможность задавать общее время движения
dmitryerr Mar 24, 2022
63341e0
финальная версия
Hlopunoff Mar 28, 2022
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2 changes: 0 additions & 2 deletions physical_block_system/index/forms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,6 @@ class PhysicalObjectiveForm(forms.Form):
m2 = forms.FloatField(label='m₂')
m = forms.FloatField(label='m, центр')

t = forms.FloatField(label='Время')

def clean(self):
errors = {}
for key, value in self.cleaned_data.items():
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5 changes: 1 addition & 4 deletions physical_block_system/index/templates/index/index.html
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Expand Up @@ -20,8 +20,6 @@
</div>
</div>

{{ form.t|as_crispy_field }}

<button type="submit" class="btn btn-success">Начать</button>
</form>

Expand Down Expand Up @@ -49,8 +47,7 @@

t1 = <span id="t1"> {{ t1 }} </span><br>
t2 = <span id="t2"> {{ t2 }} </span><br>
t3 = <span id="t3"> {{ t3 }} </span><br>
t = <span id="t"> {{ t }} </span><br><br>
t3 = <span id="t3"> {{ t3 }} </span><br><br>

a1 = <span id="a1"> {{ a1 }} </span><br>
a2 = <span id="a2"> {{ a2 }} </span><br>
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85 changes: 19 additions & 66 deletions physical_block_system/index/utils.py
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Expand Up @@ -31,10 +31,6 @@ def caclculate_blocks(cleaned_date: dict):
m = cleaned_date.get('m')
m1 = cleaned_date.get('m1')
m2 = cleaned_date.get('m2')
t = cleaned_date.get('t')
t1 = None
t2 = None
t3 = None

reversed_masses = False
if m2 < m1:
Expand All @@ -52,9 +48,6 @@ def caclculate_blocks(cleaned_date: dict):
y0_2 = -1 * (l2 - S_TABLE / 2 + l)

a1 = g * (m2 - m1 - k * m) / (m + m2 + m1)
a2 = None
a3 = None
a4 = None
if a1 < 0 or m2 == m1:
return {
'result_text': "В начальном положении",
Expand All @@ -71,63 +64,24 @@ def caclculate_blocks(cleaned_date: dict):
if True:
# легкое тело окажется в (0, 0) через
t1 = math.sqrt(2 * (l1 - S_TABLE / 2 + l) / a1)
# До истечения t1
if t <= t1:
# тело проедет не t1 секунд, а за остаток от заданого t
t1 = t
y1 = y0_1 + a1 * t1 ** 2 / 2
x1 = x0_1 = 0
y2 = y0_2 - a1 * t1 ** 2 / 2
x2 = x0_2 = S_TABLE
y = y0 = 0
x = x0 + a1 * t1 ** 2 / 2

result_text = 'Меньшее тело остановится до блока'
else:
# После истечения t1
# 3 страница решения
a2 = (m2 * g - k * g * (m1 + m)) / (m + m1 + m2)
t2 = _calculate_t2(S_TABLE=S_TABLE, l1=l1, l=l, a1=a1, a2=a2, t1=t1)
# До истечения t2
if t - t1 - t2 < 0:
# тело проедет не t2 секунд, а за остаток от заданого t
# 4 страница решения
t2 = t - t1
y1 = 0
x1 = a1 * t1 + a2 * t2 ** 2
y2 = -a1 * t1 + S_TABLE - 2 * l - l2 - l1 - (a2 * t2 ** 2) / 2
x2 = S_TABLE
y = 0
x = l1 + l + a1 * t1 + (a2 * t2 ** 2) / 2

result_text = 'Меньшее тело остановится после блока, но до следующего блока'
else:
# После истечения t2
# 5 страница решения
a3 = g * (m2 + m - k * m1) / (m1+m2+m)

t3 = _calculate_t3(l1=l1, l=l, a1=a1, a2=a2, a3=a3, t1=t1, t2=t2)
if t - t1 - t2 - t3 < 0:
# До истечения t1
t3 = t - t1 - t2
y1 = 0
x1 = (a1*t1 + a2*t2) * t3 + S_TABLE - l1 - l + a3*t3**2/2
y2 = (-l2 - l) - (a1*t1 + a2*t2) * t3 - a3*t3**2/2
x2 = S_TABLE
y = -(a1*t1 + a2*t2) * t3 - a3*t3**2/2
x = S_TABLE
result_text = 'Одно тело останется на столе, двое повиснут'
else:
# все тела летят вниз, a4 = g = 9,8
a4 = g * (m + m1 + m2) / (m + m1 + m2)

y1 = 0
x1 = S_TABLE
y2 = -l2 - l1 - S_TABLE
x2 = S_TABLE
y = l1 + l - 2 * S_TABLE
x = S_TABLE
result_text = 'Тяжелое тело унесёт два других'
# После истечения t1
# 3 страница решения
a2 = (m2 * g - k * g * (m1 + m)) / (m + m1 + m2)
t2 = _calculate_t2(S_TABLE=S_TABLE, l1=l1, l=l, a1=a1, a2=a2, t1=t1)

# 5 страница решения
a3 = g * (m2 + m - k * m1) / (m1+m2+m)
t3 = _calculate_t3(l1=l1, l=l, a1=a1, a2=a2, a3=a3, t1=t1, t2=t2)

# все тела летят вниз, a4 = g = 9,8
a4 = g * (m + m1 + m2) / (m + m1 + m2)

y1 = 0
x1 = S_TABLE
y2 = -l2 - l1 - S_TABLE
x2 = S_TABLE
y = l1 + l - 2 * S_TABLE
x = S_TABLE

if reversed_masses:
m1, m2 = m2, m1
Expand All @@ -137,7 +91,7 @@ def caclculate_blocks(cleaned_date: dict):
# "y" менять не нужно, т.к. все случаи зеркальны по y оси

return {
'result_text': result_text,
'result_text': "Тяжелое тяло перевесит",
'y1': y1,
'x1': x1,
'y2': y2,
Expand All @@ -151,7 +105,6 @@ def caclculate_blocks(cleaned_date: dict):
't1': t1,
't2': t2,
't3': t3,
't': t,
'm1': m1,
'm2': m2,
'm': m
Expand Down
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