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Title

Development of an Educational Code of Deriving Equations of ‎Motion and Analyzing Dynamic Characteristics of Multibody ‎Closed Chain Systems using GNU Octave for a Beginner

Development of an Educational Code of Deriving Equations of ‎Motion and Analyzing Dynamic Characteristics of Multibody ‎Closed Chain Systems using GNU Octave for a Beginner
Year: 1401
COI: JR_JACM-8-0_018
Language: EnglishView: 38
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Authors

Y.H. Park - Department of Mechanical Engineering, Yuhan University, ۵۹۰, Gyeongin-ro, Bucheon-si, Gyeonggi-do, Republic of Korea

Abstract:

In this study, an automatic GNU Octave code, a free high-level language, for the educational purposes was developed to derive equations of motion and constrain equations of a multibody closed chain system and to calculate the response of the system. The code for calculating the dynamic response was developed by formulating several equations in symbolic expression and extracting differential-algebraic equations in matrix form. The code has a similar structure to the previous code for the open chained system, but it deals with the constraint equation and different numerical integration. The examples of closed chain systems provide an additional procedure to derive the constraint equations by using Lagrangian multiplication theory and to solve the differential-algebraic equations using the Runge-Kutta method. The code was made to understand the theory of analysis and the structure of calculation easily. In addition, the code has an automatic process of the derivation of the Lagrange equation and the constraint equations in matrix form after inputting the number of symbolic information such as position and velocity coordinates and design variables of the system that the user wants to review. The code was validated by comparing the dynamic response of the four-bar linkage with the same design variables and initial conditions of the previous work. By using the code, the reader's ability to exchange information such as symbols and matrices will be expected to be improved.

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Paper COI Code

This Paper COI Code is JR_JACM-8-0_018. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1324060/

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Park, Y.H.,1401,Development of an Educational Code of Deriving Equations of ‎Motion and Analyzing Dynamic Characteristics of Multibody ‎Closed Chain Systems using GNU Octave for a Beginner,https://civilica.com/doc/1324060

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