Engineering Design

Engineering Design CIVE 4312 Hanadi Rifai What is an Engineer? Engineers apply science and technology to develop solutions to practical problemsproblems that need to be solved for the benefit of humanity. ABET Definition Engineering is the profession in which a knowledge of the mathematical and natural sciences, gained by study, experience, and practice, is applied with judgment to

develop ways to utilize, economically, the materials and forces of nature for the benefit of mankind Working Definition Engineering as an activity: An innovative and methodical application of scientific knowledge and technology to produce a device, system or process, which is intended to satisfy human needs. Are Engineers Inventors? Inventors:

Seek to develop a new idea Do not necessarily apply scientific knowledge and follow methodical approach

Engineers: Seek to solve a specific technical problem Always applies scientific knowledge and follows methodical approach Many engineers are also inventors

Attributes of an Engineer Problem solving skills

Effective communication skills Highly ethical and professional behavior An open mind and positive attitude Proficiency in math and science Technical skills Motivation to continue learning Knowledge of business strategies and management practices Computer literacy Understanding of world affairs and cultures Engineering Design Process Implementation

Needs Assessment Iteration Analysis Abstraction And Synthesis Problem Formulation Needs Assessment

Identify the objective(s) Identify who will benefit from the solution Begin with the end in mind: know where you are going. Problem Formulation Define problem in terms of Design Goals:

Check your premises Structure search for solution: many different solutions Acquire necessary technical knowledge Identify design specs Identify resources (time, money, personnel)

Prioritize design goals Abstraction and Synthesis Develop conceptual solutions Generate detailed alternative solutions Be creative Analysis

Compare and evaluate alternative designs Establish objective evaluation criteria Eliminate poor alternatives Select best design Implementation

Develop final solution Obtain feedback for next-generation design Stakeholder Input Nth Generation Design There is no such thing as a perfect solution to an engineering problem

The search for a better Nth-generation design solution to a problem may continue endlessly Current Practices in Engineering Design Life-cycle design Design for manufacture and assembly

Design for quality Faster design cycles Engineering without walls Design for export

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