mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-30 16:31:08 +00:00
60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
from __future__ import annotations
|
|
|
|
"""
|
|
Shear stress is a component of stress that is coplanar to the material cross-section.
|
|
It arises due to a shear force, the component of the force vector parallel to the
|
|
material cross-section.
|
|
|
|
https://en.wikipedia.org/wiki/Shear_stress
|
|
"""
|
|
|
|
|
|
def shear_stress(
|
|
stress: float,
|
|
tangential_force: float,
|
|
area: float,
|
|
) -> tuple[str, float]:
|
|
"""
|
|
This function can calculate any one of the three -
|
|
1. Shear Stress
|
|
2. Tangential Force
|
|
3. Cross-sectional Area
|
|
This is calculated from the other two provided values
|
|
Examples -
|
|
>>> shear_stress(stress=25, tangential_force=100, area=0)
|
|
('area', 4.0)
|
|
>>> shear_stress(stress=0, tangential_force=1600, area=200)
|
|
('stress', 8.0)
|
|
>>> shear_stress(stress=1000, tangential_force=0, area=1200)
|
|
('tangential_force', 1200000)
|
|
"""
|
|
if (stress, tangential_force, area).count(0) != 1:
|
|
raise ValueError("You cannot supply more or less than 2 values")
|
|
elif stress < 0:
|
|
raise ValueError("Stress cannot be negative")
|
|
elif tangential_force < 0:
|
|
raise ValueError("Tangential Force cannot be negative")
|
|
elif area < 0:
|
|
raise ValueError("Area cannot be negative")
|
|
elif stress == 0:
|
|
return (
|
|
"stress",
|
|
tangential_force / area,
|
|
)
|
|
elif tangential_force == 0:
|
|
return (
|
|
"tangential_force",
|
|
stress * area,
|
|
)
|
|
else:
|
|
return (
|
|
"area",
|
|
tangential_force / stress,
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import doctest
|
|
|
|
doctest.testmod()
|