FORGING ANALYSIS USING AN UPPER BOUND ELEMENTAL TECHNIQUE

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ABRINIA K.; ZAMANI T.

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Journal: Year:2003 | Volume:37 | Issue:3 (81) Page(s): 345-353

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Title

FORGING ANALYSIS USING AN UPPER BOUND ELEMENTAL TECHNIQUE

Author(s)

ABRINIA K. | ZAMANI T. | Issue Writer Certificate

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Abstract

An analytical solution for forging processes using an elemental upper bound method was given in this paper. The analysis was carried out by dividing the cross section into some standard pre-defined elements. For each of these elements the velocity field was defined. When the cross section was divided into the elements, using the cinematically admissible velocity field of each element the boundary conditions the general cinematically admissible velocity field for the deforming region was completely defined. Using the general cinematically admissible velocity field upper bound solutions were arrived at for both plane strain and ax symmetric forging processes. For the case of plane strain forging processes rectangular and trapezoidal elements were employed. Ring type elements of triangular and square cross sections were used for the analysis of ax symmetric forging problems. In this work the velocity fields were improved by modifying the previous work equations. Based on the above theory a computer program was written with the use of which simulation of both plane strain and ax symmetric forgings were presented. The influence of different process parameters such as friction factor, flash and geometrical dimensions were considered. The results obtained from this work were compared with previous work and improvements were observed.

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APA: Copy

ABRINIA, K., & ZAMANI, T.. (2003). FORGING ANALYSIS USING AN UPPER BOUND ELEMENTAL TECHNIQUE. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 37(3 (81)), 345-353. SID. https://sid.ir/paper/14341/en

Vancouver: Copy

ABRINIA K., ZAMANI T.. FORGING ANALYSIS USING AN UPPER BOUND ELEMENTAL TECHNIQUE. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2003;37(3 (81)):345-353. Available from: https://sid.ir/paper/14341/en

IEEE: Copy

K. ABRINIA, and T. ZAMANI, “FORGING ANALYSIS USING AN UPPER BOUND ELEMENTAL TECHNIQUE,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 37, no. 3 (81), pp. 345–353, 2003, [Online]. Available: https://sid.ir/paper/14341/en

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