Progress of Plastic Zones in Elasto-Plastic Material of a Circular Plate with the Opening
Hemant B. Vasaikar
Student, Department of Civil Engineering and Applied Mechanics, SGSITS-Indore, RGPV Bhopal (MP) , IN
Vijay R. Rode
Student, Department of Civil Engineering and Applied Mechanics, SGSITS-Indore, RGPV Bhopal (MP) , IN
Shailendra Singh
Student, Department of Civil Engineering and Applied Mechanics, SGSITS-Indore, RGPV Bhopal (MP) , IN
Keywords: Elasto-Plastic; Bending Analysis; Circular Plate; Opening; Plastic Zone
Abstract
The literature on the load bearing capacities of circular plates with opening is very scant. There is a concentration and complex distribution of stresses around the openings upon loading even though the material is elastic. These stresses get redistributed as the material starts being plastic and plasticity progresses with increasing loads. In this study, an elasto-plastic analysis is carried out to determine maximum non-dimensional deformations and corresponding collapse loads for clamped circular plates with the opening. Von Mises yield criterion has been considered. The progress of plastic zones under uniformly distributed load (UDL) or point load (PL) is plotted and studied for the elasto-plastic material used.
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