Structural Engineering
Beam Shear & Moment
Interact with a simply supported beam under a movable load. Animate the sweep, check static reactions, and inspect the Shear Force and Bending Moment diagrams.
Model
Simply supported
Concentrated point load
Mesh
81 nodes
Finite samples
Output
CSV
Data exporter ready
Parameters
Load Sweep
Structural Equations
Left Reaction
Ra = P * (L - a) / L
Right Reaction
Rb = P * a / L
Bending Moment at Load
M_max = P * a * (L - a) / L
The load is currently situated at x = 4.00 m.
Maximum Shear Force V is 300.0 N.
Maximum Bending Moment M is 1200.0 N·m occurring at the load point.
Interactive Free Body Diagram
Reaction A
300.0N
Reaction B
200.0N
Max Shear V
300.0N
Max Moment M
1200.0N·m
Shear Force (SFD) & Bending Moment (BMD)
Shear & Moment Samples
| Position (m) | Shear (N) | Moment (N*m) |
|---|---|---|
| 0.00 | 300.0 | 0.0 |
| 0.50 | 300.0 | 150.0 |
| 1.00 | 300.0 | 300.0 |
| 1.50 | 300.0 | 450.0 |
| 2.00 | 300.0 | 600.0 |
| 2.50 | 300.0 | 750.0 |
| 3.00 | 300.0 | 900.0 |
| 3.50 | 300.0 | 1050.0 |
| 4.00 | -200.0 | 1200.0 |
| 4.50 | -200.0 | 1100.0 |
| 5.00 | -200.0 | 1000.0 |
| 5.50 | -200.0 | 900.0 |
| 6.00 | -200.0 | 800.0 |
| 6.50 | -200.0 | 700.0 |
| 7.00 | -200.0 | 600.0 |
| 7.50 | -200.0 | 500.0 |
| 8.00 | -200.0 | 400.0 |
| 8.50 | -200.0 | 300.0 |
| 9.00 | -200.0 | 200.0 |
| 9.50 | -200.0 | 100.0 |
| 10.00 | -200.0 | 0.0 |