Accession Number : AD0771946

Title :   Thermal and Mechanical Analysis of Welded Structures.

Descriptive Note : Technical rept.,

Corporate Author : BROWN UNIV PROVIDENCE R I DEPT OF ENGINEERING

Personal Author(s) : Nickell,Robert E. ; Hibbitt,H. David

Report Date : AUG 1973

Pagination or Media Count : 37

Abstract : The prediction of the residual state of stress and deformation in a welded structure is one of the most interesting and complex problems in structural mechanics. Stress analysis is considered to be a straightforward application for general-purpose, nonlinear finite element structural programs. A few special features of such analyses, are discussed: (1) the legitimacy of time-dependent plasticity theories for treating the residual stress problem; (2) criteria for choosing plane stress, plane strain, generalized plane strain, or fully three-dimensional models; (3) methods for coping with possible floating solid regions during cooling; and (4) the use of linear constraints to treat weld metal deposition and intermittent contact.

Descriptors :   *Weldments, *Structures, Thermal properties, Structural properties, Structures, Stresses, Numerical analysis, Welds, Plastic properties, Heat transfer, Welding

Subject Categories : Structural Engineering and Building Technology
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE