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README.md

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+---
+title: EPANET Simulation API
+emoji: 💧
+colorFrom: blue
+colorTo: indigo
+sdk: streamlit
+sdk_version: "1.32.2"
+app_file: app.py
+pinned: false
+---
+
+# 💧 EPANET Simulation API using WNTR
+
+This Hugging Face Space hosts a web-based EPANET simulation interface using the **Water Network Tool for Resilience (WNTR)** and **Streamlit**. It enables users to upload `.inp` files, configure simulation parameters, and generate hydraulic analysis results including pressure and flow data.
+
+...
+
+## 📬 Contact
+
+For bug reports, feature requests, or professional support, contact:
+
+**Raza Ali, P.Eng.**  
+Civil Engineer, Ontario  
+Email: *[your email]*  
+Hugging Face: [@razaali10](https://huggingface.co/razaali10)
+
+---

app.py

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+import streamlit as st
+import wntr
+import tempfile
+import os
+import pandas as pd
+import matplotlib.pyplot as plt
+
+st.set_page_config(page_title="EPANET Simulation API", layout="wide")
+st.title("💧 EPANET Simulation with WNTR")
+
+uploaded_file = st.file_uploader("Upload your EPANET .inp file", type=["inp"])
+if uploaded_file:
+    with tempfile.NamedTemporaryFile(delete=False, suffix=".inp") as temp:
+        temp.write(uploaded_file.read())
+        inp_path = temp.name
+
+    st.success("File uploaded. Starting simulation...")
+
+    wn = wntr.network.WaterNetworkModel(inp_path)
+    sim = wntr.sim.EpanetSimulator(wn)
+    results = sim.run_sim()
+
+    st.subheader("Simulation Complete")
+    pressure = results.node["pressure"]
+    st.line_chart(pressure)
+
+    st.download_button("Download Pressure Data (CSV)", data=pressure.to_csv().encode('utf-8'),
+                       file_name="pressure_results.csv", mime="text/csv")

requirements.txt

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+streamlit
+wntr
+matplotlib
+pandas