Lecture 1 Stiffness Method
![Card image cap](../assets/gifs/L1_1.gif)
Interactive 1.1
Displacement of a pin-jointed structure under load.
![Card image cap](../assets/gifs/L1_2.gif)
Interactive 1.2
Corresponding forces and displacements.
![Card image cap](../assets/images/L1_3.jpg)
Interactive 1.3
Unit displacement method for a triangular structure.
![Card image cap](../assets/images/L1_4.jpg)
Interactive 1.4
Calculation of bar forces when applying the unit displacement method.
![Card image cap](../assets/gifs/L1_5.gif)
Interactive 1.5
Force equilibrium using unit displacement method.