The Working Group on Design-By-Analysis, WG-DBA (VIII), is responsible for maintaining and improving the rules and procedures for the design-by-analysis requirements for Section VIII components. These requirements relate to methodologies which use results from a detailed analysis to evaluate components for resistance to: • excessive elastic deformation including elastic instability, • excessive plastic deformation including incremental collapse and plastic instability, • local failure due to fracture and excessive local deformation, • stress rupture and creep damage, • high and low cycle fatigue damage. The WG reports to and takes direction from the BPV Committee on Pressure Vessels (VIII) Sub Group on Design and will collaborate with other Pressure Technology Codes and Standards Committees as well as other subject matter experts for expertise and knowledge while focusing efforts to add and improve methodology for Section VIII applications.
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