2D truss analysis using the matrix stiffness method — nodal displacements, member forces & reactions
| Node | Δx (m) | Δy (m) |
|---|---|---|
| N1 | 0.000e+0 | 0.000e+0 |
| N2 | 9.375e-6 | -1.992e-5 |
| N3 | 6.250e-6 | -2.383e-5 |
| N4 | 3.125e-6 | -1.992e-5 |
| N5 | 1.250e-5 | 0.000e+0 |
| Member | Length (m) | Axial Force N (N) | Stress σ (Pa) |
|---|---|---|---|
| M1 | 3.202 | -1600.78 | -3.202e+5 |
| M2 | 3.202 | +0.00 | 2.117e-10 |
| M3 | 3.202 | -0.00 | -5.291e-11 |
| M4 | 3.202 | -1600.78 | -3.202e+5 |
| M5 | 5.000 | +1250.00 | 2.500e+5 |
| M6 | 5.000 | +1250.00 | 2.500e+5 |
| M7 | 5.000 | -1250.00 | -2.500e+5 |
| Support | Node | Rₓ (N) | Rᵧ (N) |
|---|---|---|---|
| s1 | N1 | +0.00 | +1000.00 |
| s2 | N5 | +0.00 | +1000.00 |