Table C–7 Engineering feature symbol types and color.
| Engineering feature | Type | Symbol | Color |
|---|---|---|---|
| Crack | Crack front | Cross | Green |
| Fastener | Assembled (attachment points only) | Square | Light green |
| Point based (positioning point only) | Square | Green | |
| Discrete | Circle | Green | |
| Lines | |||
| Inertia | Point mass/inertia | Filled square | Green |
| Heat capacitance | Filled square | Green | |
| Nonstructural mass | Filled square | Green | |
| Springs/Dashpots | Connect two points | Spheres with connecting line | Magenta |
| Label (K, C, or K+C) | |||
| Orientation triad, if not the global coordinate system | |||
| Connect points to ground | Sphere | Magenta | |
| Label (K, C, or K+C) | |||
| Orientation triad, if not the global coordinate system | |||
| Topology and shape optimization | Design area | Diamond | Green |
| Geometric restriction | Circle | Magenta | |
| Stop condition | Square | Yellow |