COMPARISON OF ANALYTICAL AND EXPERIMENT DESIGN-BASED OPTIMIZATION METHODS TO DETERMINE THE OPTIMUM PART BUILD ORIENTATION IN RAPID PROTOTYPING PROCESSES

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GOLMOHAMMADI AMIR HOSSEIN; KHODAYGAN SAEED

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:3 Page(s): 115-125

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Title

COMPARISON OF ANALYTICAL AND EXPERIMENT DESIGN-BASED OPTIMIZATION METHODS TO DETERMINE THE OPTIMUM PART BUILD ORIENTATION IN RAPID PROTOTYPING PROCESSES

Author(s)

GOLMOHAMMADI AMIR HOSSEIN | KHODAYGAN SAEED | Issue Writer Certificate

Keywords

RAPID PROTOTYPINGQ2

STANDARD TRIANGLE LANGUAGE (STL)Q1

OPTIMUM PART BUILD ORIENTATIONQ1

NSGA-II METHODQ1

NEW AND DEVELOPED TAGUCHI METHODQ1

Abstract

In the RAPID PROTOTYPING process, the orientation pattern of the part is one of the most important factors that significantly affect the product properties such as the build time, the surface roughness, the mechanical strength, and the amount of support material. The build time and the surface roughness are the more imperative criteria than others that can be considered to find the optimum orientation of parts. In this paper, two algorithms based on analytical and empirical optimization methods are presented to determine OPTIMUM PART BUILD ORIENTATION in order to minimize build time and surface roughness. To implement this method, the user's part is received in standard triangle language (STL) format. Then, using the geometric characteristics and type of part orientation, the build time and the average of surface roughness is calculated. In order to determine the OPTIMUM PART BUILD ORIENTATION, two analytical (NSGA-II method) and experimental (new and developed Taguchi method) optimization methods have been used. After introducing the steps of these two methods, in order to determine OPTIMUM PART BUILD ORIENTATION, the steps of these two proposed algorithms are implemented on a part as a case study and obtained results are compared and discussed. The results for the proposed part show that optimal orientation from both optimization algorithms is acceptable. also the computational cost of the experimental optimization method is far less than the analytical method.

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APA: Copy

GOLMOHAMMADI, AMIR HOSSEIN, & KHODAYGAN, SAEED. (2018). COMPARISON OF ANALYTICAL AND EXPERIMENT DESIGN-BASED OPTIMIZATION METHODS TO DETERMINE THE OPTIMUM PART BUILD ORIENTATION IN RAPID PROTOTYPING PROCESSES. MODARES MECHANICAL ENGINEERING, 18(3 ), 115-125. SID. https://sid.ir/paper/178951/en

Vancouver: Copy

GOLMOHAMMADI AMIR HOSSEIN, KHODAYGAN SAEED. COMPARISON OF ANALYTICAL AND EXPERIMENT DESIGN-BASED OPTIMIZATION METHODS TO DETERMINE THE OPTIMUM PART BUILD ORIENTATION IN RAPID PROTOTYPING PROCESSES. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(3 ):115-125. Available from: https://sid.ir/paper/178951/en

IEEE: Copy

AMIR HOSSEIN GOLMOHAMMADI, and SAEED KHODAYGAN, “COMPARISON OF ANALYTICAL AND EXPERIMENT DESIGN-BASED OPTIMIZATION METHODS TO DETERMINE THE OPTIMUM PART BUILD ORIENTATION IN RAPID PROTOTYPING PROCESSES,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 3 , pp. 115–125, 2018, [Online]. Available: https://sid.ir/paper/178951/en

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