ENB215 Fundamentals of Mechanical Design Week 3.docx

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Queensland University of Technology
Negareh Ghasemi

ENB215 Lecture Fundamentals of Mechanical Design Problem Solving Methods Trial and error Organisational-Technological Brainstorming Contradiction between the conventional way of Morphological Box innovation Ideal Final results method Scientific-Technical Smart little people modelling Contradiction between fragmentation of our knowledge Substance field analysis and complex nature of engineering problems. Contradiction matrix Synetics Stereotyping Saturation Stereotyping is automatically placing value on Saturation Is when the mind subconsciously ignores something, seeing what you expect to see. sensory inputs because they are familiar sights Failure to utilise sensory inputs People that have normal vision rely heavily on their vision and often ignore their other senses. Bugs Taboos Bugs are mental walls created by learned, cultural or Daydreaming environmental standards Intuition and feeling are “bad” Traditions oppose change Assigned cultural and social values Environmental blocks The Brainstorming Method To generate lots of new ideas and solutions, not for analysis or decision making. Should be on a specific/well defined problem/topic rather than a general problem. Problem definition should not suggest the solution and you should check whether you really need a brainstorming session on the given issue. Do not plan a brainstorming session if you already have some possible solutions. The Ideal Final Result Method a) The object (or its element) b) Performs c) Certain function d) By itself, without our direct involved e) When f) In what circumstances? (Or under what restrictions?) The method of “Dwarfish People” modelling (smart little people modelling) Pretend like there are little people doing the jobs required and see element can be put in their place to make the design work. The morphological box method 1) Formulation of the problem to be solved. General description of the object to be investigated. 2) Revealing of important characteristics and properties of the object 3) Investigation of possible variants of obtaining of each characteristic (property, function) 4) Matching variants in morphological ma
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