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Hydro Logic Solutions Innovation Through Water

23/10/2026

Part 1: Intro & New Project

Turn rainfall into river flow, for free! 🌧️➡️🌊 Part 1 of our 9-part HEC-HMS beginner series: what HEC-HMS does, the basin / met / control building blocks, and how to create your first project in metric units. 👉 Follow so you don't miss Part 2!

22/10/2026

Part 6: Results
The fun part: see the flood! 🌊 In the final part we check water surface profiles, watch cross sections over time, map flood depth in RAS Mapper, and fix the most common errors.
🎉 You’ve built a complete HEC-RAS model. Follow for more water engineering tutorials!

21/10/2026

Part 5: Run the Model
Everything’s ready, so hit Compute! ▶️ Part 5 explains the Unsteady Flow Analysis settings, the simulation time window, and how to pick a stable time step using the Courant number.

20/10/2026

Part 4: Flow Data
A model needs water! 💧 In Part 4 we add a flood hydrograph upstream, a Normal Depth boundary downstream, and the initial conditions.

19/10/2026

Part 3: Geometry
Time to draw the river! ✏️ Part 3 covers the centerline, bank lines, flow paths, cross sections, and Manning’s n roughness values.
💡 Facing downstream, the left bank is on your left.

18/10/2026

Part 2: Terrain
No terrain, no flood map! 🗺️ In Part 2 we open RAS Mapper, set the projection, and load a DEM to build the terrain your model needs.
💡 Tip: use the best elevation data you can find.

17/10/2026

Part 1: Intro & New Project
Want to model river floods for free? 🌊 This is Part 1 of our 6-part HEC-RAS beginner series. Learn what HEC-RAS is, 1D vs 2D modelling, and how to set up your first project with SI units.
👉 Follow so you don’t miss Part 2!

Q. A manhole on a storm drain is mainly used for what?A. Water storageB. Access for inspection and cleaningC. Water trea...
15/10/2026

Q. A manhole on a storm drain is mainly used for what?

A. Water storage
B. Access for inspection and cleaning
C. Water treatment
D. Increasing flow speed

15/10/2026

💧 **Can a River Be Full of Water, Yet a City Still Face Water Shortages?** 🌍

The answer is YES! But why? 🤔

Water scarcity isn't always about having too little water. Sometimes, it's about how water is distributed and managed.

Meet **WEAP (Water Evaluation And Planning System)** — a powerful modeling tool that helps engineers plan and manage water resources.

🔹 **Water Availability** – Simulates river flows, groundwater, and reservoir storage.

🔹 **Water Demand** – Estimates water requirements for agriculture, industries, and cities.

🔹 **Water Allocation** – Evaluates how limited water resources are shared among competing users.

🔹 **Future Scenarios** – Investigates the impacts of climate change, population growth, and increasing water demand.

🌦️ What happens when rainfall decreases, reservoirs run low, and millions of people still need water?

WEAP helps engineers explore these challenges before they become real crises.

💡 **The future of water security isn't just about finding more water. It's about managing the water we already have.**

Q. What does a river gauge station measure?A. Water temperature onlyB. Fish populationC. Water level (stage)D. Soil mois...
14/10/2026

Q. What does a river gauge station measure?

A. Water temperature only
B. Fish population
C. Water level (stage)
D. Soil moisture

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