Computer Aided Design

Code:

L.EMAT015

Acronym:

DAC

Keywords
Classification	Keyword
OFICIAL	Engineering Sciences

Instance: 2022/2023 - 1S

Active?	Yes
Responsible unit:	Department of Metallurgical and Materials Engineering
Course/CS Responsible:	Bachelor in Materials Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
L.EMAT	38	Syllabus	2	-	6	52	162

Teaching language

Portuguese

Objectives

1. Development of skills to read and design 2D technical drawings.


2. Introduction to moulds and tools for the manufacture of parts.


3. Learning how to use a hybrid 3D CAD application (surfaces and solids).


4. Application of acquired knowledge to develop a consumer product (outer plastic shell).


5. Planning and development of a project within a team. 

Learning outcomes and competences

1. Interpretation of geometric shapes in 3D and the respective 2D representation


2. Use of a hybrid 3D CAD tool (surfaces and solids) to draw geometries in 3D from 2D technical drawings


3. Ability to plan strategies for modelling complex 3D geometries


4. Time management and planning of projects using Gantt charts


5. Management of interpersonal relationships in projects


6. Using the terminology associated with computer aided design

Working method

Presencial

Pre-requirements (prior knowledge) and co-requirements (common knowledge)

1. Familiarity with Windows 10


2. Knowledge of Technical Drawings


3. English

Program

1. CAD in the Design & Manufacturing Process


2. Types of CAD Software


3. Types of CAD Object


4. Modelling methodologies


5. 3D Geometry in more detail


6. Creating CAD objects


7. Manufacturing a part


8. Design for manufacture


9. Manufacturing Documentation


10. Data exchange


11. Model Viewing and sharing


12. Advanced modelling techniques - 3D texture wrapping


13. Advanced modelling techniques - morphing


14. Rendering


15. Associated Software


16. Reverse Engineering/Inspection


17. Helpful Hardware – Haptic arms/Space Balls/Microscribes


18. Rapid prototyping


19. Introduction to Design project

Mandatory literature

Roy Plastock, Gordon Kaley; Computação Gráfica, MC Graw Hill, 1991. ISBN: 972.9241-18-X
José Manuel de Simões Morais; Desenho técnico básico. ISBN: 972-96525-2-X

Complementary Bibliography

Carlos Relvas; Controlo numérico computorizado. ISBN: 972-95794-6-6
Internacional Seminar ; ed. R. A. Adey; CAD modelling. ISBN: 0-905451-28-7
Mikell P. Groover, Emory W. Zimmerrs Jr.; CAD/CAM. ISBN: 0-13-110255-9
ed. W. A. Smith; A guide to CAD/CAM. ISBN: 0-8551-0026-5

Comments from the literature

The training courses of the CAD application "Fusion360" from Autodesk acs as bibliographic reference.

Teaching methods and learning activities

During the classes, it is common practice to ask students for active participation and intervention in order to issue opinion on some of the topics covered or to clarify all doubts that arise.

Generally, the first few minutes of each class serve to summarize the matters discussed in previous classes, in the attempt to give continuity to the matter being taught in class. It is also common to make a summary at the end of each lesson.

In the first six weeks the training course of the application "Fusion360" from Autodesk, a hybrid 3D CAD software is taught. In those six weeks a theoretical component, which addresses issues such as the mathematical principle of CAD applications, shading, design and manufacture of products, useful peripherals for CAD, is also taught.

After these six weeks, work on the project starts, in which groups of three students develop a consumer product.

The teacher's role is to assist each group and to teach more efficient modelling techniques. Whenever possible, concepts are presented through practical examples of industrial activity to enable a better understanding.

It is intended that the subject is taught for a direct application in industry. To achieve this, the classes seek to train the ability of self student learning.

In parallel, it is intended that students are required to plan and distribute work within each group. To do so, they are encouraged to create Gantt charts and set responsible persons for the different components of the project. The final evaluation of projects is done jointly between the teacher and students. The interpersonal relationship is encouraged through a selective distribution of the final score obtained by the group.

Software

Autodesk Fusion 360

keywords

Technological sciences > Engineering > Design engineering
Technological sciences > Technology > Graphic techniques > Computer graphics

Evaluation Type

Distributed evaluation without final exam

Assessment Components

Designation	Weight (%)
Defesa pública de dissertação, de relatório de projeto ou estágio, ou de tese	70,00
Teste	30,00
Total:	100,00

Amount of time allocated to each course unit

Designation	Time (hours)
Elaboração de projeto	120,00
Total:	120,00

Eligibility for exams

It is necessary to achieve 50% evaluation in both “practical classification" and “tests".

Calculation formula of final grade

Final classification = "practical CAD tests" * 0.30 + "individual project score " * 0.70

Examinations or Special Assignments

No

Internship work/project

Students form groups of 2 or 3 people and develop the CAD project of a given product, designated by the teacher.

Special assessment (TE, DA, ...)

Pratical test in Autodesk Fusion 360 (30% of the final score) and delivery of a project executed individually (70% of the final score). Students need to achieve a score of 50% in both components.

Classification improvement

Students can do a final exam, which convers the 3 practical tests.

It is not possible to improve the score obtained with the project through this evaluation.

Observations

Within the first 10 minutes of the class, the presence is verified. Students who miss more than 25% of the class without a valid justification will be considered failed. Arriving more than 10 minutes late will be considered a miss. Justifications are to be delivered to the departments office within the regular deadline.

The three tests are distributed through the semester and are practical CAD tests that are to be carried out on computers provided by FEUP.

The evaluation of the projects is done by the students and the teacher during the public presentation of the projects. A questionaire is handed out and the avarage scores given by the students have the same weight as the teacher's score, except in case of manipulation or fraud by the students. In such case, only the teacher's score will be considered.