User:Mitchell~enwikiversity/ENES100/project 0

Week0 Preferences
Igloo project

Week1 Narrative
Began calculations and hypothesis for igloo dimensions. First created some size parameters, determining that a practical igloo would be large enough to hold two 6' tall sleeping men. The base of this igloo would have a radius of 3.605', a diameter of 7.210', and a circumference of 22.651'.

In addition, I hypothesized that the thickness of the walls should be 8". This is before using physics to account for force of gravity on the snow, strength of materials, etc. Determined that a circle of 17 blocks that are 16" long would be perfect for the specification.s These blocks would also be 8" tall, creating a 2:1:1 length/width/height ratio. Not enough research was done to confirm these dimensions, so the blocks could need to be larger for greater structural integrity.

Week2 Narrative
Focused on the size of the cubes. Found out using a CAD program that there is no one ideal cube that can be used for all of the layers of the igloo, or if there is, it is an impractically complex shape. Designed cubes for base of igloo. In order to form a proper circle, or more realistically, a heptadegon, cubes will need to be turned 21.17 degrees relative to each other. To create the dome shape, top of cube must be sloped upwards at an angle of 201.17 degrees.

Week3 Narrative
Finished drawing cubes in PTC CREO Parametric. Drawings and dimensions can be used by future teams to continue progress on igloo. After this layer is added, will need to cut a "ramp" in the first layer to allow for the structure to spiral upwards.