Create app.py

app.py

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+import streamlit as st
+import math
+import matplotlib.pyplot as plt
+import numpy as np
+
+# Set the page configuration with an icon and title
+st.set_page_config(page_title="Pipe Sizing Helper", page_icon="💧")
+
+# Title and description
+st.title("💧 Pipe Sizing Helper")
+st.write("Calculate the recommended pipe diameter for a given flow rate and permissible velocity.")
+
+# Input fields
+st.sidebar.header("Input Parameters")
+flow_rate = st.sidebar.number_input("Enter the Flow Rate (m³/s):", min_value=0.0, format="%.6f")
+velocity = st.sidebar.number_input("Enter the Permissible Velocity (m/s):", min_value=0.1, format="%.3f")
+
+# Add a button to generate the result
+if st.sidebar.button("Generate Diameter"):
+    if flow_rate > 0 and velocity > 0:
+        diameter = math.sqrt((4 * flow_rate) / (math.pi * velocity))
+        st.success(f"Recommended Pipe Diameter: **{diameter:.3f} meters**")
+        
+        # Visualization of Pipe Diameter vs Flow Rate and Velocity
+        fig, ax = plt.subplots(1, 2, figsize=(14, 6))
+
+        # Pipe Diameter vs Flow Rate
+        flow_rate_values = np.linspace(0.1, 10, 100)  # Generate a range of flow rates
+        diameters_flow_rate = np.sqrt((4 * flow_rate_values) / (math.pi * velocity))  # Calculate diameters for each flow rate
+
+        ax[0].plot(flow_rate_values, diameters_flow_rate, color='b', label="Diameter vs Flow Rate")
+        ax[0].set_title("Pipe Diameter vs Flow Rate")
+        ax[0].set_xlabel("Flow Rate (m³/s)")
+        ax[0].set_ylabel("Pipe Diameter (meters)")
+        ax[0].grid(True)
+        ax[0].legend()
+
+        # Pipe Diameter vs Velocity
+        velocity_values = np.linspace(0.1, 10, 100)  # Generate a range of velocities
+        diameters_velocity = np.sqrt((4 * flow_rate) / (math.pi * velocity_values))  # Calculate diameters for each velocity
+
+        ax[1].plot(velocity_values, diameters_velocity, color='r', label="Diameter vs Velocity")
+        ax[1].set_title("Pipe Diameter vs Velocity")
+        ax[1].set_xlabel("Velocity (m/s)")
+        ax[1].set_ylabel("Pipe Diameter (meters)")
+        ax[1].grid(True)
+        ax[1].legend()
+
+        # Show the plot
+        st.pyplot(fig)
+        
+    else:
+        st.error("Please enter positive values for flow rate and velocity.")
+else:
+    st.info("Click the 'Generate Diameter' button to calculate.")