Stabileo guide

Stabileo is a structural analysis program that runs in the browser. There is nothing to install and no account to create: open stabileo.com and start modelling. The analysis runs on your own computer: the model is not sent to any server to be solved.

This guide explains what each part of the program does and, above all, the theory behind it. It is meant to be read straight through, like course notes, without knowing how to program or how GitHub works: every page ends with links to the previous and the next one.

Leé esta guía en español

Where to start

	Page	What you will find
1	Getting started	The screen, the two modes, your first model in five minutes, saving and sharing.
2	Basic mode in 2D	Nodes, members, hinges, supports, loads, materials, sections, combinations and results in the plane.
3	Basic mode in 3D	What changes in space: six degrees of freedom, local axes, torsion, and how to go back to 2D.
4	Advanced tools in Basic mode	Kinematic analysis, section analysis, second order, buckling, dynamics, plastic collapse, influence lines and the stiffness method step by step.
5	PRO mode	Finite elements: slabs and walls, constraints, load generation, drawing import and the advanced analyses.
6	Theory	Conventions, the stiffness method, the Euler-Bernoulli beam, stress theories, and plate and shell finite elements.

If you have never used the program, start with 1. If you came to understand why a result is what it is, 6 can be read on its own.

The modes, in one line each

• Basic: frame and truss structures in 2D and 3D. It is finished, and it is the one used in courses. Besides solving, it shows the working: the degree of indeterminacy, the stiffness matrix step by step, the stresses in a section with the formula that applies.
• PRO: finite elements and complex models: slabs and walls as plates and shells, constraints, load generation, import from AutoCAD or Excel, and dynamic and non-linear analysis. It is in development.
• Education: the teacher writes an exercise inside the app and hands it out as a link; the student solves it without seeing the result and hands the answers back to the teacher as a file or a short code. It is in development; switch it on in Settings → Enable Educational mode option, which adds an Exercises button at the end of the ribbon.

Further reading

• The blog has long pieces on specific questions, with numbers computed by the program and the editor embedded: for example, frame members or finite elements? or which torsion theory applies.
• A question or a suggestion? Use the contact button in the app, join the Discord, or open an issue on GitHub.

---

Next: Getting started →