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Johns Hopkins EN 530 414 - SYLLABUS FOR Computer Aided Design

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Computer Aided Design (CAD), ME 530.414, JHU Professor Dan Stoianovici, [email protected] COURSE DESCRIPTION: The course outlines modern solid modeling design, analysis, simulation, and manufacturing of mechanical systems. Theoretical focus is given to fundamental Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) concepts. These are sustained by numerous practical examples to provide the student with intensive hands-on experience with CAD/CAM. Implementations use the Creo (former Pro/Engineer) design package (PTC Inc.). The course has an intensive schedule covering aspects of solid modeling design, assemblies, mechanism design, dynamics, structural analysis, simulation, and manufacturing spanning an entire range of product development, from creative concept through detailed product definition to prototype development and serviceability. Knowledge acquired will likely reflect in the way that students express and implement engineering ideas. The course will enable students to use powerful design tools in their future classes and work. COURSE MEETING TIMES: Lectures: One 3 hour session / week (attendance mandatory) TA Sessions: One 3 hour session / week (voluntary participation) PREREQUISITE: Not required TEXTBOOK & SOFTWARE: Not required. Online PDF materials are available on the class website. Instructor suggests and assigns reading materials weekly. Students use the University software with open (or VPN) access to a site license management server. CAD Software is installed in the HITS Lab (Krieger 160), and instructions are given to students to install on PCs free of charge. CLASS PARTICIPATION: Class attendance is mandatory due to the interactive nature of the class. Student participation in class discussions is imperative. Lessons learned and past experiences provide the entire class with a broader perspective of the topics being discussed. All students are required to participate throughout the semester. As shown below, class participation counts toward the final grade. Health Related Problems: The Student Health and Wellness Center advises students who have flu symptoms not to attend class and isolate themselves to the extent possible until they have been fever-free for 24 hours, in the interest of minimizing contagion. In this situation students should inform the instructor by email. Students who heed the advice of health professionals will not be penalized academically. Religious Holidays: Religious holidays are valid reasons to be excused from class. Students who must miss a class because of a religious holiday must inform the instructor as early in the semester as possible in order to be excused from class or to make up any work that is missed. HOMEWORK: Weekly homework is assigned and submitted over the class website. Homeworks are due before the next lecture. Making the homework in time is essential for being able to follow the next class. Each student is expected to complete all homework assignments. Homework assignments are evaluated and graded on a scale of 0 to 100. Homework not submitted will receive a grade of 0. Late homework assignments will be reduced by a 10 point penalty per week late, unless otherwise specified. Working together is permitted and encouraged for homework assignments. However, copying is not permitted and will not prepare the student for the exam.EXAMINATION: A 3-hour final exam will be given. The examination will take place in the classroom. A design problem that requires iterations throughout all design stages presented in the class will be assigned. The exam is individual, but OPEN book, notes, software, www, etc. This will be graded on a scale of 0 to 100. The exam is individual. GRADING: Final grade is calculated based on the averaged class participation, homework, and final exam grades of each student. The tentative basis for the final grade is: 20% Class Participation (including discussion postings and team presentation) 30% Homework (approx. 12 assignments) 50% Final Exam Letter grades are normalized over the grades of the entire class using an interval distribution. ACADEMIC INTEGRITY: The strength of the University depends on academic and personal integrity. The student must be honest and truthful. Ethical violations include cheating on exams, plagiarism, reuse of assignments, improper use of the Internet and electronic devices, unauthorized collaboration, alteration of graded assignments, forgery and falsification, lying, facilitating academic dishonesty, and unfair competition. SYLLABUS: 1. Computer Aided Design Overview 1.1. Introduction 1.2. Design Process Overview 1.2.1. Concept and Motivation of CAD 1.2.2. CAD Terminology 1.2.3. Part Modeling Concept 1.2.4. Assembly Modeling Concept 1.3. Kinematic and Dynamic Analysis Process 1.4. Structural Analysis Process Overview 1.5. Manufacturing Process Concepts 1.6. CAD Environment 1.7. CAD Packages and Architectures 2. Engineering Graphics 2.1. Introduction 2.2. Design Information and Visualization 2.3. Spatial Visualization 2.4. Research and Development Engineering Graphics 2.5. Product Development Engineering Graphics 2.6. Engineering Representations 2.6.1. Projection Views 2.6.2. Orthographic Representations 2.6.3. Model Sectioning 2.6.4. Design Standards 2.7. Descriptive Geometry 2.7.1. Projection of Points, Lines, Planes 2.7.2. Visibility 2.7.3. Multilayer Geometry Concepts 2.7.4. Graphic Entity Standards2.8. Geometric Determination 2.8.1. Systems of Units: SI, English 2.8.2. Size, Shape, and Position 2.8.3. Dimensioning 2.8.4. Geometric Constraints 2.8.5. Geometric References 2.8.6. Standards and Guidelines 3. Basic Part Modeling 3.1. Introduction and Definitions 3.1.1. Feature Based Design 3.1.2. Solid Modeling Concepts 3.1.3. Parametric Modeling 3.1.4. Associative Design Concepts 3.2. Design Environment 3.2.1. Graphics Environment 3.2.2. Model Architecture 3.2.3. Geometric Visualization 3.2.4. Default Features 3.3. Geometric Features 3.3.1. Datums, Placed, Sketched 3.4. Three-Dimensional Operations 3.5. Sketch Based 3-D Genesis 3.5.1. Geometric Entities 3.5.2. Referencing 3.5.3. Dimensioning and Constraints 3.5.4. Dimensional Relations 3.6. Iterative Design Methods 3.7. Sketched Features 3.7.1. Extrude Operations 3.7.2. Revolve Operations 3.8. Placed Features 3.8.1. Holes, Rounds, Chamfers, Shells, Drafts 3.9. Symbolic Representations 3.9.1. Standards 3.9.2. Surface Modeling 4. Static Assembly Modeling 4.1. Introduction 4.2.


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