physics.md

Physics

Structure Mechanics Model

• Detailed Explanation

Thermal Expansion and Laminate Structures

Poisson Ratio

Compression Zero Poisson:

Compression Positive Poisson:

Compression Negative Poisson (Interesting failure mode):

Algorithm

for each node:
    calculate node strain:
        check for each direction (x,y,z)
            check attached bonds
            sum edge strain in each direction 
            check tension by two opposite links
        if there is no tension in one direction (corner node or side node)
            adjust node strain in that direction to be:
                 (((1+sum of strain in opposite directions) ^ (-poisson ratio) )- 1.0)
for each edge:
    if poisson ratio isn't 0
        incorporate node strain values in edge strain

Non-Linear Deformation (using Bilinear model)

Elastic vs Plastic Deformation:

Non-Linear Deformation (using data)