Engineering Design<br />BMCD 2573<br />By<br />MohdNazim Abdul Rahman<br />Department of Design & Innovation<br />Faculty of Mechanical Engineering<br />
What is Design?<br />“to fashion after a plan” - Webster's dictionary<br />to design is to create something that has never been<br />although engineers are not the only people who design things<br />To design is to pull together / synthesissomething new or to arrange existing things in a new way to satisfy a recognized need of society<br />
Design<br />Good design requires both analysis and synthesis<br />Understand how the part will perform in service<br />Able to calculateexpected behavior before it exists in physical form by using the appropriate disciplines of science and engineering and the necessary computational tools – ANALYSIS<br />Identification of the design elements that will comprise the product into workable system -SYNTHESIS<br />
Engineering Design Process<br />Starts with recognition of the need for the product.<br />Both design and redesign require knowledge of the intended use of the product, plus information on the<br />Market<br />Technical data<br />Materials and production<br />For any product design you are part of a team!!!<br />
Engineering Design Process contn’<br />Determine the need<br />Starts with recognition of a need<br />Sketching of the solution (product) is very useful during this step.<br />Establish known information<br />Includes gathering information on aspects of the products such as possible materials, market analysis, ability to manufacture, cost to manufacture, etc.<br />
Engineering Design Process contn’<br />Stimulate Design Concepts<br />Consider the various aspects in the manufacture of the product such as material, shape, etc.<br />Investigate Design Concepts with Analytical Tools<br />Use modern methods and tools to analyze design alternatives.<br />
Engineering Design Process contn’<br />Gather all information and review<br />Gather together all information and design alternatives and review so that decisions can be made.<br />Test the design that appears best.<br />Accept, Modify, or Reject<br />Optimize the design by iteration<br />
Types of Design<br />Original design - innovative design, It employs an original, innovative concept to achieve a need<br />Adaptive design - adapts a known ' solution to satisfy a different need to produce a novel application<br />Redesign - improve an existing design<br />
Types of Design<br />Selection design - design task consists of selecting the components with the needed performance, quality, and cost from the catalogs of potential vendors<br />Industrial design - improving the appeal of a product to the human senses, especially its visual appeal, more artistic than engineering<br />
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