# Beaver Dam

Beaver Dam is an app for diversion dam analysis.

Diversion weirs or diversion dams are vital in irrigation and drainage engineering in controlling level of water on streams and rivers.

The main feature of this app is to calculate the afflux elevation of a flow in a given diversion dam.

# Units

The unit for Beaver Dam is metric.

These are meter or m for lengths and elevations, meter/second or m/s for velocity, cms for discharge or in short for cubic meter per second.

# How to Use

The usage of the Beaver Dam app is pretty straight forward.

# 1. iPhone

After the screen loads from the launchscreen which shows the Beaver Dam logo, the user will be presented with a menu screen. A list of existing or previous calculations.
At the top of the menu is a toolbar consisting of the title, the add document button and the about button.
To add a new document, tap the add document button, this will create a new item on the list placed at the last row. The item or filename will be "New Weir" followed by a bunch of numbers, these numbers are the timestamp that the file is created.
To access the input screen, just tap an item from the list.
On the input screen, this is where the user inputs necessary data for calculation. This is also where the user can change the name of the file.
To perform the calculation, just tap the calculate button at the top right of the input screen and the result view will pop up.

# 2. iPad

For iPad users, the operation are just the same with the iPhone except that on the landscape, both the menu and the input screen are displayed together side by side.