Iteration notes

# Iteration notes - Iteration(Repetition Many models of the...

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Iteration (Repetition) Many models of the design process show a linear flow from phase to phase but: Each phase has feedback loops to all prev. phases The Design Process is Iterative (Iterative = Repetitive) The Design Process is a Constant Stream of Revisions and Redefinitions Phase 1 – Defining the Problem In Defining the Problem we ask: What are the functional requirements? What solutions exist? What constraints exist? Defining the Problem Information gathering!!!!! We ask lots of questions We begin to get a clearer understanding of the project goals (attributes we want to achieve) We identify constraints “In problem solving, we often jump head first into solving the problem, before we adequately define what we are trying to solve.” - James McAlister Defining the Problem “the way the problem is defined determines the solution possibilities” Avoid the temptation to cave in to the comment

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“We know what the problem is so let’s get on with
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Unformatted text preview: it. We don’t have time for this.” (Excess Certainty – blocks creativity) Phase 1 – Defining the Problem In Defining the Problem, we need: • A clear “target” BUT We also need: • Enough “Open End” to allow unique solutions. Phase 2 – Formulating Solutions Centers on: • Systematically exploring and evaluating alternatives in relation to the design problem We typically: • Identify as many alternatives as possible • Assess “pros” and “cons” • Make “Tradeoffs” between design parameters • Select Potential Solutions In this phase we have gone from a defined question to a possible solution. Likely either goes: • Back to Start of this Phase, or • Back to Redefinition of the Problem We need skills and tools: • To evaluate our designs efficiently and systematically. • To determine what kind of data we need. • To determine what type of analyses we do to demonstrate our solution solves the problem....
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• Fall '13
• Geddert
• Ode, Extensional definition, Formulating Solutions

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