Material Detail

A browser-based calculator for beams and 2D frames. Users draw a structure, add supports and loads, and obtain bending moment, shear and axial force diagrams, support reactions and deflection.

The solver uses the direct stiffness method and handles statically determinate and indeterminate beams and 2D frames, distributed and inclined loads, internal hinges and moment releases. Unstable configurations are detected and reported rather than returning incorrect values.

Intended for students in statics and mechanics of materials who want to check hand calculations, and for instructors demonstrating shear and moment diagrams. Runs in a web browser with no account or installation required. Results can be exported to PDF or shared as a link that reopens the model.

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