Advanced design and analysis methods for fabricated structures; geometric discontinuity, and residual stresses; fracture mechanics based Engineering Critical Assessment (FFS) methodologies for life extension of aging structures through Fitness-for-Service (FFS) based, inspection, assessment, repair, and monitoring; Advanced computational computational procedures for integrated evaluation of material characteristics, manufacturing process effects, and structural performance; Novel analysis methods for characterizing residual stresses and distortions in welded structures and effective mitigation techniques