Computer-aided Design

Major: Computer-integrated technologies of art and jewelry casting
Code of subject: 6.136.03.O.020
Credits: 8.00
Department: Department of machine design and avtomotive engineering
Lecturer: Assistant Professor Topilnytskyy Volodymyr Grygorovych
Semester: 4 семестр
Mode of study: денна
Мета вивчення дисципліни: Studying the basic concepts of automated design, familiarizing students with modern systems of automated design in the field of mechanical engineering, mastering the skills of working with common graphic systems of automated design. As a result of studying the academic discipline, the student acquires the ability to demonstrate the results of learning: master the basic concepts of automated design; get acquainted with modern systems of automated design in the field of mechanical engineering; acquisition of two-dimensional and three-dimensional modeling skills in the environment of common graphic systems of automated design; to know the scientific and theoretical foundations and possibilities of using CAD in the design and construction of products and technological processes in mechanical engineering.
Завдання: General competences: ZK2. Ability to apply knowledge in practical situations. ZK6. The ability to conduct research at a certain level. ZK10. Skills in using information and communication technologies. Professional competences: FK1. Ability to apply typical analytical methods and computer software tools for solving engineering problems of industrial mechanical engineering, effective quantitative methods of mathematics, physics, engineering sciences, as well as appropriate computer software for solving engineering problems of industrial mechanical engineering. FC5. Ability to use computerized design systems and specialized application software to solve engineering tasks in the field of mechanical engineering.
Learning outcomes: • PH5. Analyze engineering objects, processes and methods. • PH8. Understand the relevant methods and have the skills to design typical assemblies and mechanisms in accordance with the task. • PH14. Develop machine parts and assemblies using automated design systems.
Required prior and related subjects: Нарисна геометрія та інженерна графіка Деталі машин Технологія машинобудування
Summary of the subject: The systems approach to design. The concept of engineering design. The principles of the system approach. Hierarchic design levels. Stages of products designing. Computer aided design systems in terms of other automated systems. The stages of the life cycle of industrial products. Systems of functional , design and technological design. The structure and types of CAD. Types of CAD software. The concept of CALS-technologies. The basic functions and design procedures implemented in CAD software. Parameterization and associativity. Examples of CAD / CAM / CAE software. Technical support of CAD systems. Virtual engineering. Geometric modeling in CAD. Two-dimensional modeling. Types of anchors and their implementation. Methods of selection of two-dimensional objects. Basic methods of editing two-dimensional objects. Sizes and technological designations and their implementation. Designing of the project and its implementation. Creating of drawings fragments, libraries of parameterized cells and parameterized models. Create specifications.
Опис: Interface of a typical CAD system. Description, capabilities and characteristics of the main modules of the system: creation of 2D model, 3D model, assembly, presentation. Principles of creating geometric elements in 2D sketches of the CAD system. A tree for building a 3D model of a CAD system. Basic planes and axes. Selection of planes. Basics of parameterization of sketches in the CAD system. Types of parametric dependencies. Principles of setting parametric dimensions. Editing of geometric elements in CAD system sketches Basic methods of creating three-dimensional models. Extrusion operation and its parameters. Editing the created body. Visual representations of the three-dimensional body in the CAD system. Concepts of edges, edges and vertices. Selection of elements of a three-dimensional body. Selection of the material of the part. Visual representations of the three-dimensional body in the CAD system. Provision of external features of the material of the three-dimensional body model. The operation of rotating a flat sketch around an axis and its parameters. Editing the created body. Kinematic operation of creating a three-dimensional body, its parameters and features. Creation of flat and three-dimensional trajectory of cross-section movement. Variants of movement of the cross-section of the body along the trajectory. Construction of auxiliary planes. The operation of creating a three-dimensional body by sections and its parameters. Additional three-dimensional operations. Intersection planes. Placing dimensions on a 3D model. Construction of three-dimensional assemblies. Constraints and dependencies that apply to body elements when assembling them. Editing the composition. Work with parametric libraries. Dispersion of components. Creation of animated presentations. Creating a 2D model from 3D in the CAD system. Projection types.Dimensions and technological designations, their implementation. Design elements of the project and their implementation. Creating sections. Creation of assembly specifications. Export and import of information in the CAD system. Application of the finite element method in engineering calculations. The concept of the method. The main advantages and disadvantages of the method. Types of finite elements. Forming a grid of elements. Numbering of elements grid nodes. Mathematical representation of MSE. One-dimensional simplex element. Two-dimensional simplex element. Three-dimensional simplex element.
Assessment methods and criteria: Diagnostics of the knowledge of students is carried out according to the following methods: 1. Defense of reports for laboratory work and practical work in oral form by surveying theoretical material on the topic of work and research methodology. 2. Conducting a written exam based on the results of studying the discipline, which consists of test tasks. 3. Conducting the oral component based on the results of the written exam, the questions of which are based on the content of practical tasks.
Критерії оцінювання результатів навчання: Defense of reports for laboratory and practical work and calculation and graphic work in oral form by surveying theoretical material on the topic of the work and research methodology (40 points) Examination control written component 40 points oral component 20 points
Порядок та критерії виставляння балів та оцінок: 100–88 points – (“excellent”) is awarded for a high level of knowledge (some inaccuracies are allowed) of the educational material of the component contained in the main and additional recommended literary sources, the ability to analyze the phenomena being studied in their interrelationship and development, clearly, succinctly, logically, consistently answer the questions, the ability to apply theoretical provisions when solving practical problems; 87–71 points – (“good”) is awarded for a generally correct understanding of the educational material of the component, including calculations, reasoned answers to the questions posed, which, however, contain certain (insignificant) shortcomings, for the ability to apply theoretical provisions when solving practical tasks; 70 – 50 points – (“satisfactory”) awarded for weak knowledge of the component’s educational material, inaccurate or poorly reasoned answers, with a violation of the sequence of presentation, for weak application of theoretical provisions when solving practical problems; 49-26 points - ("not certified" with the possibility of retaking the semester control) is awarded for ignorance of a significant part of the educational material of the component, significant errors in answering questions, inability to apply theoretical provisions when solving practical problems; 25-00 points - ("unsatisfactory" with mandatory re-study) is awarded for ignorance of a significant part of the educational material of the component, significant errors in answering questions, inability to navigate when solving practical problems, ignorance of the main fundamental provisions.
Recommended books: Educational and methodological support 1. Topilnytskyi V.G. "Automated design". Educational and methodical complex. Virtual educational environment of Lviv Polytechnic University. E41-172-190/2021 dated May 13, 2021. Certificate No. 04002. Address: http://vns.lpnu.ua/course/view.php?id=10684. 2. Topilnytskyi V. G. Fundamentals of automated design in AUTODESK INVENTOR PROFESSIONAL. Part 1: study guide / V. G. Topilnytskyi, D. P. Rebot. - Lviv: "Spolom", 2022. - 188 c. 3. Dmytriv V. Systems of automated design. AUTODESK INVENTOR: study guide / V. Dmytriv, I. Dmytriv, R. Horodniak, M. Karp, E. Klimov. - Lviv: "Spolom", 2022. - 284 c. 4. Topilnytskyi V.G. "Fundamentals of automated design". Educational and methodical complex. Virtual educational environment of Lviv Polytechnic University. E41-172-13/2014 dated 09.12.2014, certificate No. 00989 http://vns.lpnu.ua/course/view.php?id=3465. Recommended Books 1. Topilnytskyi V. G. Fundamentals of automated design in AUTODESK INVENTOR PROFESSIONAL. Part 1: study guide / V. G. Topilnytskyi, D. P. Rebot. - Lviv: "Spolom", 2022. - 188 c. 2. Dmytriv V. Systems of automated design. AUTODESK INVENTOR: study guide / V. Dmytriv, I. Dmytriv, R. Horodniak, M. Karp, E. Klimov. - Lviv: "Spolom", 2022. - 284 c. 3. Topilnytskyy V. Basic principles of the finite element method in mechanical engineering field: educational manual / V. Topilnytskyy, S. Liaskovska, D. Rebot, O. Velyka, M. Boiko. – Drohobych: POSVIT, 2021. – 154 c. 4. Topilnytskyi V. G.Theoretical and applied foundations of the finite element method in mechanical engineering: a study guide / V. G. Topilnytskyi, S. E. Lyaskovska, O. T. Velyka, M. V. Boyko. – Drohobych: Posvit, 2020. – 156 c. 5. Korendiy V. Systems of 3D modeling: tutorial / V. Korendiy, R. Zinko, D. Muzychka, V. Topilnytskyy. – Kamyanske: DSTU, 2019. – 151 p. 6. R.V. Zinko, V.G. Topilnytskyi "3D modeling systems". Lviv: Halytska Publishing Union, 2017. - 150 p. 7. Topilnytskyi V.G., Boyko M.V., Velyka O.T., Lampika R.V., Fundamentals of automated design. Synopsis of lectures. – Lviv, Lviv Polytechnic University, Department of Electronic Mechanical Engineering, 2005. – 208 p. Information resources 1. Topilnytskyi V.G. "Automated design". Educational and methodical complex. Virtual educational environment of Lviv Polytechnic University. E41-172-190/2021 dated May 13, 2021. Certificate No. 04002. Address: http://vns.lpnu.ua/course/view.php?id=10684. 2. Topilnytskyi V.G. "Fundamentals of automated design". Educational and methodical complex. Virtual educational environment of Lviv Polytechnic University. E41-172-13/2014 dated December 9, 2014, certificate No. 00989 http://vns.lpnu.ua/course/view.php?id=3465
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