A parametric finite element study for determining burst strength of thin and thick-walled pressure vessels

Johnson, William R.; Zhu, Xian-Kui; Sindelar, Robert; Wiersma, Bruce

doi:10.1016/j.ijpvp.2023.104968

A parametric finite element study for determining burst strength of thin and thick-walled pressure vessels

Journal Article · Fri May 05 00:00:00 EDT 2023 · International Journal of Pressure Vessels and Piping

DOI:https://doi.org/10.1016/j.ijpvp.2023.104968· OSTI ID:1997252

^[1]; Zhu, Xian-Kui ^[1]; Sindelar, Robert ^[1]; Wiersma, Bruce ^[1]

Savannah River National Laboratory (SRNL), Aiken, SC (United States)

To accurately predict the burst strength of both thin and thick-walled pressure vessels (PVs), a parametric study of PV burst strength was performed for a wide range of vessel geometries and materials using elastic-plastic finite element analysis (FEA). A valid FEA model was established through a detailed study of 2D versus 3D FEA models, the critical stress failure criterion versus the limit load criteria, and the thick-wall effect on the FEA simulations. Here, the results show that the stresses and strains at the mean diameter, rather than outside diameter, determines a more accurate burst strength for both thin and thick-walled PVs. On this basis, a parametrized FEA script using the ABAQUS Python application programming interface (API) was used to create a large database of PV burst strengths for a variety of vessel geometries and materials, demonstrating that Python scripting is a powerful technique for performing parametric studies or generating large databases. From the FEA results, using the regression method, a new burst pressure model was developed as a function of the vessel geometry (D/t ratio) and material properties (UTS and n). As validated by a large number of full-scale burst test data, the proposed burst model can very accurately predict the burst strength for both thin and thick-walled PVs.

View Accepted Manuscript (DOE)

Research Organization:: Savannah River Site (SRS), Aiken, SC (United States); Savannah River National Laboratory (SRNL), Aiken, SC (United States)

Sponsoring Organization:: USDOE Office of Environmental Management (EM)

Grant/Contract Number:: 89303321CEM000080

OSTI ID:: 1997252

Alternate ID(s):: OSTI ID: 1999951

Report Number(s):: SRNL-STI-2022-00426

Journal Information:: International Journal of Pressure Vessels and Piping, Journal Name: International Journal of Pressure Vessels and Piping Vol. 204; ISSN 0308-0161

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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A parametric finite element study for determining burst strength of thin and thick-walled pressure vessels

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