ADAMS as an aid for teaching undergraduate dynamics

Mukherjee, Satanik; Neogy, Sarmistha; Nandi, Arun K.

doi:10.1002/cae.21881

Cited by 4 publications

(7 citation statements)

References 4 publications

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“…On average, the values of the support reaction are N 36. 21 for the unbalanced hollow cylinder and N 136. 08 for the wheel plus flying mass both with the LD model.…”

Section: Resultsmentioning

confidence: 99%

Combining experiments, theory, and computer simulation: Application of dynamics analysis of unbalanced wheels rolling without sliding on horizontal paths

de Oliveira Cafiero,

Baldit,

Landier

et al. 2023

Comp Applic In Engineering

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Rigid solid body dynamics is a key element of the undergraduate mechanical engineering curriculum. In a context of reverse engineering and/or sustainable development, being able to analyze the mechanical and material properties of a system without damaging it is a required skill. In this work, two systems based on wheels rolling over horizontal paths without sliding are studied: an unbalanced hollow cylinder and a wheel with displaced mass assembly. Four generations of last year's bachelor's students in mechanical engineering, representing a hundred people a year, followed a total of 12 h of practical sessions working on such systems. Without focusing on the programming part, this paper aims at showing how computer tools can help and improve a rigid solid body dynamics course. The objectives were to develop, apply, and analyze this teaching sequence, allowing students to (i) perform and characterize experimental measurements, (ii) establish systems motion equations, and (iii) think about dynamics results through cross‐talks between different techniques such as geometrical and analytical methods as well as computer‐assisted design tools. Different analysis methods of these systems could be discussed in the context of the classes, successfully bringing pertinent reflections to the students. The possibility of transferring such discussions to other contexts proved to be wide, thanks to computer science, dynamics software, other analysis methods and applications.

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“…On average, the values of the support reaction are N 36. 21 for the unbalanced hollow cylinder and N 136. 08 for the wheel plus flying mass both with the LD model.…”

Section: Resultsmentioning

confidence: 99%

Combining experiments, theory, and computer simulation: Application of dynamics analysis of unbalanced wheels rolling without sliding on horizontal paths

de Oliveira Cafiero,

Baldit,

Landier

et al. 2023

Comp Applic In Engineering

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“…To check the correctness of the results, the relation of the position coordinates of the points with the angular coordinates obtained using SymPy was compared with the relations for the same shown in Mukherjee et al [8]. The relations were found to be the same with the positions of θ and Ф exchanged, as their definitions have been used in reverse here.…”

Section: Example Problemsmentioning

confidence: 98%

Undergraduate dynamics using the logic of multibody dynamics — Indigenous code and an open‐source software

Ghosh

Nandi

Neogy

2021

Comput Appl Eng Educ

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Dynamics is a core course in all engineering disciplines. Problem‐solving using computers may be done using programs specific for a problem or class of problems, or by using versatile and professional multibody dynamics packages such as ADAMS. Although such packages are good motivators, they can hardly enhance the student's knowledge of Dynamics. They are also uneconomical in terms of investment and computer infrastructure, unless used for more advanced purposes. So, the objective of the present paper is to propose an alternative by using an open‐source, lower level, multibody dynamics package like PyDy. This is not only economical but also demands knowledge of dynamics and an introductory knowledge of multibody dynamics. Multibody Dynamics being programmable makes the teaching and learning of dynamics more systematic. The approach followed in the present paper is to introduce some basic principles of multibody dynamics to an undergraduate student of conventional dynamics with the objective of exhibiting its systematic approach. With elementary knowledge of multibody dynamics, the students can write small programs for problem‐solving, with say Python, in their early years of engineering education, even before using such packages. Furthermore, this freeware PyDy allows generation of symbolic equations, which further benefits the students. Subsequently, numerical solution along with animation also fulfils the purpose of motivating students. The response of students toward queries connected with willingness to use the package and their perspective about its effectiveness as a supportive tool in learning dynamics has been found to be quite encouraging.

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“…The functionf internally checks if the ladder is still contact with the wall by applying the kinetic conditions > F 0 ( ). Then, it applies the corresponding form of the right-hand side specified in equations (21) and (22). This allows to continuously integrate the system without a termination of the integration if contact is lost.…”

Section: Numerical Solution Of the Problemmentioning

confidence: 99%

“…Many papers have presented examples for integrating computer applications in education. Examples are a spreadsheet model for soccer ball flight [18], a virtual application for illustrating wave motion [19], a joint experimental and numerical study of pipe flow [20], simulations of the dynamics of multi-body systems [21,22], and an application for studying circular motions [23]. The more challenging projects presented in [20,21] rely on commercial software packages such as ANSYS Fluent and MSC ADAMS and students learn how to utilise these tools.…”

mentioning

confidence: 99%

Combining dynamics and numerics using the falling ladder problem

Glane¹

2019

Eur. J. Phys.

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The falling ladder problem including friction with the wall and the ground is solved numerically. The problem is used as an example to teach both numerical methods as well as programming techniques jointly with theoretical mechanics. The solution is computed for an arbitrary period of time, which requires to handle loss of contact with the wall and collisions with the ground. The differential equations describing the motion are solved using the python programming language and the related programme is provided as a supplementary material. Results for the falling ladder with and without friction are presented and discussed.

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ADAMS as an aid for teaching undergraduate dynamics

Cited by 4 publications

References 4 publications

Combining experiments, theory, and computer simulation: Application of dynamics analysis of unbalanced wheels rolling without sliding on horizontal paths

Combining experiments, theory, and computer simulation: Application of dynamics analysis of unbalanced wheels rolling without sliding on horizontal paths

Undergraduate dynamics using the logic of multibody dynamics — Indigenous code and an open‐source software

Combining dynamics and numerics using the falling ladder problem

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