MODELING AND MULTIOBJECTIVE OPTIMIZATION OF TWIST EXTRUSION PROCESS

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KARIMI M.; BAKHTIARI H.; KESHAVARZ A.

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Journal Paper

Paper Information

Journal: Modares Mechanical Engineering Year:2013 | Volume:13 | Issue:6 Page(s): 60-73

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Information Journal Paper

Title

MODELING AND MULTIOBJECTIVE OPTIMIZATION OF TWIST EXTRUSION PROCESS

Author(s)

KARIMI M. | BAKHTIARI H. | KESHAVARZ A. | Issue Writer Certificate

Keywords

TWIST EXTRUSIONQ2

MULTIOBJECTIVE OPTIMIZATIONQ1

ARTIFICIAL NEURAL NETWORKQ2

FEM SIMULATIONQ2

GENETIC ALGORITHMQ2

Abstract

In this paper, the ARTIFICIAL NEURAL NETWORK based multi-objective optimization of TWIST EXTRUSION process is carried out. The target purpose functions are equivalent plastic strain, strain distribution and extrusion force. The design variables are twistangle, friction factor and loading rate. The FEM model of the process is first created and used to create training cases for the ANN, and the well-trained ANN is used as a quick and exact model of the process. Then the optimization of the design variables is conducted by an integrated GENETIC ALGORITHM and ANN modelto create a set of optimal solutions (Pareto front). Leveldiagrams are then used to select the best solution from the Pareto front. Finally the response surface methodology has been used to study the interaction between the design parameters. The obtained results show that the best range of twist angle is from 0.7 to 45 degree, friction factor from 0.65 to 0.7 and loading rate from 6.5 to 7 mm/s. Also variables with the largest effect on the process are twist angle and friction factor.

Cites

MULTI OBJECTIVE OPTIMIZATION OF SANDWICH PANELS USING PARTICLE SWARM ALGORITHM

References

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APA: Copy

KARIMI, M., BAKHTIARI, H., & KESHAVARZ, A.. (2013). MODELING AND MULTIOBJECTIVE OPTIMIZATION OF TWIST EXTRUSION PROCESS. MODARES MECHANICAL ENGINEERING, 13(6), 60-73. SID. https://sid.ir/paper/179276/en

Vancouver: Copy

KARIMI M., BAKHTIARI H., KESHAVARZ A.. MODELING AND MULTIOBJECTIVE OPTIMIZATION OF TWIST EXTRUSION PROCESS. MODARES MECHANICAL ENGINEERING[Internet]. 2013;13(6):60-73. Available from: https://sid.ir/paper/179276/en

IEEE: Copy

M. KARIMI, H. BAKHTIARI, and A. KESHAVARZ, “MODELING AND MULTIOBJECTIVE OPTIMIZATION OF TWIST EXTRUSION PROCESS,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 6, pp. 60–73, 2013, [Online]. Available: https://sid.ir/paper/179276/en

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