Structural Analysis of Mono and Multi Layer Pressure Vessels

Structural Analysis of Mono and Multi Layer Pressure Vessels
Authors : R. Narendra Kumar , R. B. Choudary
Publication Date: 03-09-2015


Author(s):  R. Narendra Kumar , R. B. Choudary

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 4 - Issue. 09 , September - 2015

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS090080


Stress and strain estimation is very important in predicting and preventing failure in engineering structures. The main objective of this project is to design a multilayer high pressure vessel and study its advantages over mono block pressure vessel. In order to perform the structural analysis of the multilayer pressure vessel using finite element analysis (FEA), a solid pressure vessel is modeled using Solid Works 2012, followed by the exporting it to a meshing software HYPERMESH 10. Finally the meshed model is exported to analysis platform ANSYS for carrying out the required analysis for both mono and multilayer pressure vessels. The mono block pressure vessel is altered into multilayered pressure vessel using layers feature in ansys. Static analysis is performed to determine deflection and stresses experienced by the both mono block and multilayered pressure vessels. With the given uniform pressure in the vessel, static stresses and the deflection of the pressure vessels are determined. Both material and geometrical linearity are considered in the analysis. Linear stress analysis is performed assuming the deformations to be very small. The distortion energy theory (Von-Mises) is considered as an yield criteria. From the results obtained in analysis, a comparison is made between multilayered pressure vessel and the conventional mono layer pressure vessel.


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