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Positive impact of 3D CAD models employment in DG education

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2017
1541.pdf (400.2Kb)
Authors
Dragović, Magdalena
Čičević, Svetlana
Čučaković, Aleksandar
Trifunović, Aleksandar
Gramić, Filip
Conference object (Published version)
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Abstract
Classical Descriptive Geometry (DG), an engineering students' important course, uses 2D drawings for 3D spatial elements representation. The efficient engineering practice for solving geometry tasks used to be on sheet drawings prior to computer era. Computer graphic introduced simulation of a 3D geometric environment (such as 3D modeling software, augmented and virtual reality) in contemporary DG teaching. Such trends influence spatial perception skills improvement, knowledge achievements, as well as learning motivation enhancement. The aim of the research is the impact of CAD models utilization in correlation to students evaluation scores, learning style, and motivation level. The research was performed on the freshmen students sample attending DG course at Civil Engineering Faculty of Belgrade University. DG lecturing combines blackboard drawings, PowerPoint presentations, and 3D AutoCAD models. The practices are organized as classical geometric tasks to be manually performed in for...m of sheet drawings; using geometry accessories with the teacher's guidance/assistance. Handouts - conceived tasks, and AutoCAD solutions (Figure 1) are available at the official Faculty's website. The approximate of 130 students sample size taken from three generations of civil engineers (2014-2016) were monitored and inquired succeeding the final exam success. Paper based questionnaire (constructed by the authors for the purpose of this study) was employed. Data entries from Microsoft Excel spreadsheet were imported into IBM SPSS Statistics base. Frequency histograms and the Kolmogorov-Smirnov Test were used to determine whether the mean scores obtained during testing had a normal distribution. Since the distribution of all interval variables significantly deviated from the normal distribution, the nonparametric Mann-Whitneys rank sum test was imployed. The results have shown significant contribution after 3D models assistance introduction in DG teaching/learning process, regarding students' motivation level and success evaluation.

Source:
Proceedings of 24th Conference Geometry, Graphics, Computer, 2017, 22-23
Publisher:
  • Silesian University of Technology- Geometry and Engineering Graphic Centre, Gliwice
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_grafar_1543
URI
https://grafar.grf.bg.ac.rs/handle/123456789/1543
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за математику, физику и нацртну геометрију
  • Катедра за техничку механику и теорију конструкција
Institution/Community
GraFar
TY  - CONF
AU  - Dragović, Magdalena
AU  - Čičević, Svetlana
AU  - Čučaković, Aleksandar
AU  - Trifunović, Aleksandar
AU  - Gramić, Filip
PY  - 2017
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/1543
AB  - Classical Descriptive Geometry (DG), an engineering students' important course, uses 2D drawings for 3D spatial elements representation. The efficient engineering practice for solving geometry tasks used to be on sheet drawings prior to computer era. Computer graphic introduced simulation of a 3D geometric environment (such as 3D modeling software, augmented and virtual reality) in contemporary DG teaching. Such trends influence spatial perception skills improvement, knowledge achievements, as well as learning motivation enhancement. The aim of the research is the impact of CAD models utilization in correlation to students evaluation scores, learning style, and motivation level. The research was performed on the freshmen students sample attending DG course at Civil Engineering Faculty of Belgrade University. DG lecturing combines blackboard drawings, PowerPoint presentations, and 3D AutoCAD models. The practices are organized as classical geometric tasks to be manually performed in form of sheet drawings; using geometry accessories with the teacher's guidance/assistance. Handouts - conceived tasks, and AutoCAD solutions (Figure 1) are available at the official Faculty's website. The approximate of 130 students sample size taken from three generations of civil engineers (2014-2016) were monitored and inquired succeeding the final exam success. Paper based questionnaire (constructed by the authors for the purpose of this study) was employed. Data entries from Microsoft Excel spreadsheet were imported into IBM SPSS Statistics base. Frequency histograms and the Kolmogorov-Smirnov Test were used to determine whether the mean scores obtained during testing had a normal distribution. Since the distribution of all interval variables significantly deviated from the normal distribution, the nonparametric Mann-Whitneys rank sum test was imployed. The results have shown significant contribution after 3D models assistance introduction in DG teaching/learning process, regarding students' motivation level and success evaluation.
PB  - Silesian University of Technology- Geometry and Engineering Graphic Centre, Gliwice
C3  - Proceedings of 24th Conference Geometry, Graphics, Computer
T1  - Positive impact of 3D CAD models employment in DG education
EP  - 23
SP  - 22
UR  - https://hdl.handle.net/21.15107/rcub_grafar_1543
ER  - 
@conference{
author = "Dragović, Magdalena and Čičević, Svetlana and Čučaković, Aleksandar and Trifunović, Aleksandar and Gramić, Filip",
year = "2017",
abstract = "Classical Descriptive Geometry (DG), an engineering students' important course, uses 2D drawings for 3D spatial elements representation. The efficient engineering practice for solving geometry tasks used to be on sheet drawings prior to computer era. Computer graphic introduced simulation of a 3D geometric environment (such as 3D modeling software, augmented and virtual reality) in contemporary DG teaching. Such trends influence spatial perception skills improvement, knowledge achievements, as well as learning motivation enhancement. The aim of the research is the impact of CAD models utilization in correlation to students evaluation scores, learning style, and motivation level. The research was performed on the freshmen students sample attending DG course at Civil Engineering Faculty of Belgrade University. DG lecturing combines blackboard drawings, PowerPoint presentations, and 3D AutoCAD models. The practices are organized as classical geometric tasks to be manually performed in form of sheet drawings; using geometry accessories with the teacher's guidance/assistance. Handouts - conceived tasks, and AutoCAD solutions (Figure 1) are available at the official Faculty's website. The approximate of 130 students sample size taken from three generations of civil engineers (2014-2016) were monitored and inquired succeeding the final exam success. Paper based questionnaire (constructed by the authors for the purpose of this study) was employed. Data entries from Microsoft Excel spreadsheet were imported into IBM SPSS Statistics base. Frequency histograms and the Kolmogorov-Smirnov Test were used to determine whether the mean scores obtained during testing had a normal distribution. Since the distribution of all interval variables significantly deviated from the normal distribution, the nonparametric Mann-Whitneys rank sum test was imployed. The results have shown significant contribution after 3D models assistance introduction in DG teaching/learning process, regarding students' motivation level and success evaluation.",
publisher = "Silesian University of Technology- Geometry and Engineering Graphic Centre, Gliwice",
journal = "Proceedings of 24th Conference Geometry, Graphics, Computer",
title = "Positive impact of 3D CAD models employment in DG education",
pages = "23-22",
url = "https://hdl.handle.net/21.15107/rcub_grafar_1543"
}
Dragović, M., Čičević, S., Čučaković, A., Trifunović, A.,& Gramić, F.. (2017). Positive impact of 3D CAD models employment in DG education. in Proceedings of 24th Conference Geometry, Graphics, Computer
Silesian University of Technology- Geometry and Engineering Graphic Centre, Gliwice., 22-23.
https://hdl.handle.net/21.15107/rcub_grafar_1543
Dragović M, Čičević S, Čučaković A, Trifunović A, Gramić F. Positive impact of 3D CAD models employment in DG education. in Proceedings of 24th Conference Geometry, Graphics, Computer. 2017;:22-23.
https://hdl.handle.net/21.15107/rcub_grafar_1543 .
Dragović, Magdalena, Čičević, Svetlana, Čučaković, Aleksandar, Trifunović, Aleksandar, Gramić, Filip, "Positive impact of 3D CAD models employment in DG education" in Proceedings of 24th Conference Geometry, Graphics, Computer (2017):22-23,
https://hdl.handle.net/21.15107/rcub_grafar_1543 .

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