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Content available remote Optimisation of compound pressure cylinders
Majzoobi G. H., Ghomi A.
Journal of Achievements in Materials and Manufacturing Engineering
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2006
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Vol. 15, nr 1-2
135--145
EN
Purpose: The purpose of this paper is optimization of the weight of compound cylinder for a specific pressure. The variables are shrinkage radius and shrinkage tolerance. Design/methodology/approach: SEQ technique for optimization, the finite element code, ANSYS for numerical simulation are employed to predict the optimized conditions. The results are verified by testing a number of closed end cylinders with various geometries, materials and internal pressures. Findings: The weight of a compound cylinder could reduce by 60% with respect to a single steel cylinder. The reduction is more significant at higher working pressures. While the reduction of weight is negligible for k<2.5, it increases markedly for 2.5
2
Content available remote Optimisation of autofrettage in thick-walled cylinders
Majzoobi G. H., Ghomi A.
Journal of Achievements in Materials and Manufacturing Engineering
|
2006
|
Vol. 16, nr 1-2
124--131
EN
Purpose: The purpose of this paper is optimization of the weight of compound cylinder for a specific pressure. The variables are shrinkage radius and shrinkage tolerance. Design/methodology/approach: SEQ technique for optimization, the finite element code, ANSYS for numerical simulation are employed to predict the optimized conditions. The results are verified by testing a number of closed end cylinders with various geometries, materials and internal pressures. Findings: The weight of a compound cylinder could reduce by 60% with respect to a single steel cylinder. The reduction is more significant at higher working pressures. While the reduction of weight is negligible for k<2.5, it increases markedly for 2.5
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