Grain Dryer
Analysis of the Elastic Instability

This paper reports on an analysis of the performance and determination of the critical load required to reach elastic instability in continuous grain dryer modules.

Continuous flow grain dryers are the structures most commonly used for grain storage in Brazil. Dryers, which are structures with a high base/height ratio, are made of very thin steel plates. This paper reports on an analysis of the performance and determination of the critical load required to reach elastic instability in continuous grain dryer modules.
The elastic instability load was determined using SAP2000 finite element analysis. The theoretical results are compared with experimental laboratory data obtained from real scale dryer modules with two plate thicknesses (1.9 mm and 2.65 mm). Our findings indicate that the failure mode is local instability and the critical load is significantly influenced by the structure’s air insufflation holes. Learn more details with this whitepaper.

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