Abstract
This paper describes and shows application of the finite element computer code “AXICRP” developed for the purpose of solving creep problems for plane stress, plane strain, and axisymmetric bodies of revolution. The code represents an extension of an elastic finite element code to include the nonlinear effects arising from creep by the use of an incremental procedure. This procedure permits the utilization of any creep law expressible in the general functional form Δϵ e c = F(σ e, ϵ e c, T, t) . Principal application has been to obtain the creep solution for a Fast Flux Test Facility (FFTF) hexagonal flow duct. Other applications to a thick-walled cylinder and a rectangular beam demonstrate the variety of structural geometries which can be analyzed by the program.
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