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Based on the principle of piecewise linearization, the incremental forms of microstructure evolution models were integrated into the thermo-mechanical coupled finite element (FE) model to simulate non-linear microstructure evolution during multi-pass hot deformation. This is an unsteady-state deformation where dynamic recrystallization (DRX), meta-dynamic recrystallization (MDRX), static recrystallization...
Insufficient effective prestress in prestressed concrete bridges causes structures premature invalidation. Based on Hertz Contact Theory and Finite Element Method, this paper points out the irrationality of the effective prestress formula in Curving Hole at present, and then explores the distribution law of contact stress in Curving Hole. Several contact stress distributions in Curving Hole are hypothesized...
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