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Three Dimensional Simulation of Upset Forging by Using Variational Upper Bound Method
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作者 Jiang QIN(School of Mechanical Engineering, University of Bath, Claverton Down, Bath BA27AY, UK) 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 1994年第1期15-22,共8页
The variation principle is discussed and Rayleigh-Ritz method is proposed for construction of veloci ty field. A kinematically admissible velocity field based on polynomials was appIied to the determina tion of forgin... The variation principle is discussed and Rayleigh-Ritz method is proposed for construction of veloci ty field. A kinematically admissible velocity field based on polynomials was appIied to the determina tion of forging load and deformed buIge profile during upset forging of blocks. Simulation of upsetforging of rectangular blocks under various friction condjtions was performed. Comparison of the computed results with experiments and FEM shows good agreement. It is shown that this techniquecan be used for 3D simulation of metal forming process. 展开更多
关键词 SIMULATION Three Dimensional Simulation of Upset forging by Using Variational Upper Bound method ASME
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