lecture slides: lecture introduction to modelling
DESCRIPTION
The lecture slides of lecture Introduction to Modelling of the Modelling Course of Industrial Design of the TU DelftTRANSCRIPT
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1Challenge the future
G-I-1
IntroductionModelling is the way of thinking
Dr. Y. Song (Wolf) Faculty of Industrial Design Engineering
Delft University of Technology
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2Challenge the future
Contents
• Modelling & Product Design
• Insights
• Content Brief
• Reflections
• Upcoming in Thursday
IO2081 Modelling
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3Challenge the future
The design process is fraught with questions
Who will use it?
Which wall thickness?
How will it be used?
Hot or cold water?
Whichmaterial?
…
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4Challenge the future
We think
Alberto Alessi
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5Challenge the future
We use abstract models to ‘touch’ our thought
like this sketched man?no, the man is not an
abstract model
thisis da Vinci’s abstracted
model (language: Eucledian calculus)
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6Challenge the future
We experiment to verifyboth our thoughts and models
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7Challenge the future
What are their relations ?
ThoughtDesign
ExperimentModel
Relations?
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8Challenge the future
Insights
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9Challenge the future
One thing to keep in mind...
Your mind thinks without you
...which is a very fortunate thing, as we shall see!
(still, it’s up to you to check if it’s on track)
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10Challenge the future
A look under the hood: Modelling in design
Case brief
Compare
Acceptable?
Experience
System
Thought simulation
Experiment
Build abstract model
Solve / simulate
choices
choiceschoices
choices
do you need more insights/ data?
‘touch’ your thoughts
what are you studying?
what exactly...?
what do you foresee?
what does your model foresee?
did you both agree?everything you did/ saw/ felt/
remember to be true...
Finish!
Revisit choices
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11Challenge the future
Cause & effect – The key to modelling
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12Challenge the future
Cause & effect – The key to modelling
Cup falls off a table, hits the floorCause
What is special about falling off a table? Long distance, high speed, high acceleration at impact? etc
Identifycause-effect relationship
‘It is not the fall that kills you, but the sudden stop at the end’... Acceleration causes large forces...
Understandcause-effect relationship
Accelerations during impactQuantifycause-effect relationship
The cup is damagedEffect
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13Challenge the future
Cause & effect – The key to modelling
Cause
Effect
You fill a cup with hot coffee
You burn your fingers
What is special about filling a cup with coffee?
High temperature, spilling, heat transfer? etc
Surface temperature rise with time
Heat migrates across temperature gradients (temperature difference), until steady state
Identifycause-effect relationship
Understan
cause-effect relationship
Understand
cause-effect relationship
Quantifycause-effect relationship
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14Challenge the future
Modelling-simulation-design
We do need a handle!
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15Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
Courtesy of http://crapo.senate.gov/services/ConstituentCoffee.cfm
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16Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
Cause
Effect
Identify, choose
Courtesy of http://crapo.senate.gov/services/ConstituentCoffee.cfm
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17Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
Cause
Effects
Model
Courtesy of http://crapo.senate.gov/services/ConstituentCoffee.cfm
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18Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
Cause
Effects
/ SimulateSolve
/ SimulateCourtesy of http://crapo.senate.gov/services/ConstituentCoffee.cfm
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19Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
Cause
EffectsEvaluate
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20Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
LearnLearn
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21Challenge the future
Modelling: The basic loop
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
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22Challenge the future
Content brief
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23Challenge the future
Case studies: Accessible knowledge with a vision
Statics
Dynamics
Thermo
Fluid
Anthropometry
0% 20% 40% 60% 80% 100%
2012 ~ 2013 Advanced Embodiment Design (Many projects cover several disciplines)
27%
41%
27%
41%
77%
Biomechanics 55%
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24Challenge the future
The scope of Modelling
Case studies:Product
modelling
Case studies:Human
body modelling
Mechanics
Thermo-dynamics
Fluid mechanics Anatomy
Anthro-pometric model
Bio-mechanics
Mathematics
……
Social-technical-economic-environmental context
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25Challenge the future
Case studies: Accessible knowledge with a vision
Truth 98% accurate
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26Challenge the future
Reflections
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27Challenge the future
We say that
knowledge is power
experience can be harnessed
curiosity is fun
hard work is the way to
success
science is easy
computers are tools
modelling is the way to wisdom
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28Challenge the future
Upcoming on Thursday
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29Challenge the future
On April 25, 2013, we will design:
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30Challenge the future
Questions!
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31Challenge the future
What did you learn today?
knowledge is power
knowledge is for geeks
hard work is the way to
success
hard work is for the
uninspired
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32Challenge the future
What did you learn today?
we need handles on coffee cups, the first reason is...
they look nice
they keep us from burning our fingers
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33Challenge the future
What did you learn today?
Identify, choose
Model
Solve/Simulate
Evaluate
Learn
to design a successful product
we need to...
model cause- effect relationships
try a lot of experiments
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34Challenge the future
G-I-1
SuccesModelling is the way of thinking
Prof. Dr. Christos Spitas Dr. Y. Song (Wolf)
Faculty of Industrial Design EngineeringDelft University of Technology