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Silo Support Buckling Analysis — 300-Ton Steel Grain Structure
At ESoliDesign (ESD), we deliver precision silo support structure buckling analysis using advanced finite element techniques.
This internal demonstration project analysed a 300-ton steel grain silo to validate its structural stability under static load and assess buckling behaviour through a linear buckling study.
The goal was to verify whether the design provided adequate stiffness and resistance to local and global instability modes in accordance with AS/NZS 1170.1 (Structural Design Actions) and good engineering practice for storage structures.
3D structural model of the 300-ton steel silo support body prepared for FEA
FEA Methodology & Buckling Evaluation
The steel support structure was analysed using SolidWorks Simulation Linear Buckling Analysis to determine critical buckling modes and safety factors.
Boundary conditions replicated fixed base supports and the applied static grain load.
The first buckling mode shape represented the expected deformation pattern at the onset of instability.
The computed Buckling Factor of Safety (BFS) values for the first two modes were approximately –0.0488 and –0.0483, confirming no buckling risk under the actual load direction.
In this range (–1 to 0), buckling would only occur if load direction reversed — not applicable to this design case.
FEA displacement results under static loading — deformation well within elastic limits
Buckling Factor of Safety results confirming design stability
Engineering Outcome
- Verified the buckling resistance of a 300-ton steel silo support structure
- Linear buckling FEA conducted under static load and fixed base conditions
- BFS ≈ –0.0488 / –0.0483 → no risk of compressive buckling
- Demonstrated compliance with AS/NZS 1170.1 load criteria
- Established FEA validation workflow for future industrial projects
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Melbourne, Australia