mirror of
https://gitlab.com/MisterBiggs/aero-astro-calc.git
synced 2025-06-15 22:56:47 +00:00
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
from math import sqrt
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from bokeh.models import Arrow
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from bokeh.plotting import figure, show
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from aero_astro_calc.dependencies.LatexLabel import LatexLabel
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class PlaneStress:
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def __init__(self, sigma_x, sigma_y, tau_xy):
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self.sigma_x = sigma_x
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self.sigma_y = sigma_y
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self.tau_xy = tau_xy
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self.tau_max = sqrt(((self.sigma_x - self.sigma_y) / 2) ** 2 + self.tau_xy ** 2)
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self.sigma_1 = ((self.sigma_x + self.sigma_y) / 2) + self.tau_max
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self.sigma_2 = ((self.sigma_x + self.sigma_y) / 2) - self.tau_max
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def plane(self):
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# Settings to make the plot look correct.
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plot = figure(x_range=(-5, 5), y_range=(-5, 5))
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plot.axis.major_label_text_font_size = "0pt"
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plot.axis.major_tick_line_color = None
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plot.axis[0].ticker.num_minor_ticks = 0
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plot.axis[1].ticker.num_minor_ticks = 0
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plot.grid.visible = False
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plot.axis.visible = False
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# Draw the rectangle
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plot.rect(0, 0, 4, 4, fill_alpha=0, line_color="black", line_width=3)
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# sigma_x
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plot.add_layout(Arrow(x_start=2, y_start=0, x_end=4.5, y_end=0))
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plot.add_layout(Arrow(x_start=-2, y_start=0, x_end=-4.5, y_end=0))
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plot.add_layout(
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LatexLabel(
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x=3.0, y=0.7, text=f"\\sigma_{{x}} = {self.sigma_x}", render_mode="css"
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)
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)
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# sigma_y
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plot.add_layout(Arrow(x_start=0, y_start=2, x_end=0, y_end=4.5))
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plot.add_layout(Arrow(x_start=0, y_start=-2, x_end=0, y_end=-4.5))
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plot.add_layout(
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LatexLabel(
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x=0.25, y=4, text=f"\\sigma_{{y}} = {self.sigma_y}", render_mode="css"
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)
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)
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# tau_xy
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plot.add_layout(Arrow(x_start=2.5, y_start=-2, x_end=2.5, y_end=2.2))
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plot.add_layout(Arrow(y_start=2.5, x_start=-2, y_end=2.5, x_end=2.2))
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plot.add_layout(Arrow(x_start=-2.5, y_start=2, x_end=-2.5, y_end=-2.2))
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plot.add_layout(Arrow(y_start=-2.5, x_start=2, y_end=-2.5, x_end=-2.2))
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plot.add_layout(
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LatexLabel(
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x=2.5, y=2.6, text=f"\\tau_{{xy}} = {self.tau_xy}", render_mode="css"
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)
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)
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# Other calculations
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plot.add_layout(
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LatexLabel(
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x=-1.8,
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y=1.8,
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text=f"\sigma_1 = {round(self.sigma_1,4)}",
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render_mode="css",
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)
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)
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plot.add_layout(
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LatexLabel(
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x=-1.8,
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y=1.4,
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text=f"\sigma_2 = {round(self.sigma_2,4)}",
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render_mode="css",
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)
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)
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plot.add_layout(
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LatexLabel(
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x=-1.8,
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y=1,
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text=f"\\tau_{{max}} = {round(self.tau_max,4)}",
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render_mode="css",
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)
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)
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show(plot)
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