© 2010 university of california, irvine – andré van der hoek1june 13, 2015 – 11:41:27...
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© 2010 University of California, Irvine – André van der Hoek 1April 18, 2023 – 20:50:03
Informatics 121Software Design IInformatics 121
Software Design I
Lecture 2
André van der Hoek and Alex Baker
Duplication of course material for any commercial purpose without the explicit written permission of the professor is prohibited.
© 2010 University of California, Irvine – André van der Hoek 2April 18, 2023 – 20:50:03
Today’s LectureToday’s Lecture
One design exercise Reflection Second assignment
© 2010 University of California, Irvine – André van der Hoek 3April 18, 2023 – 20:50:03
Five TeamsFive Teams Team 1
1. Karen Quan 2. Lucas Kam3. Duncan Tsai4. Muhammad Zaman5. Jarrett Baugh6. Michael Cupino7. Thanh Le8. Edward Gim9. Kevin Huynh
Team 31. Georgio Moussan2. Martina Mickos3. Steven Nguyen4. Kevin Sar5. Tri Duc Pham6. Sarah Lee7. Simon Huynh8. Marianne Conner9. Evan White
Team 51. Mark Capil2. Kenneth Compass3. Jonathan Fuentes4. Ramakrishnan Murthy5. Jesse Joseph6. Ellen Eramya7. Sanjay Jauhar8. Ammar El-din9. Michael Tang10. Danielle Yu
Team 21. Julie Darwish2. Ferdinand Lucero3. Marcel Pufal4. Vatsal Shah5. Warren Trinh6. Jordan Speer7. Norik Davtian 8. Aaron Donk9. Ryan Cadavona
Team 41. Candace Chen2. Sabel Braganza3. Shawn Ridgeway4. Michael Distefano5. Danielle Song6. Masis Nguyen7. Roger Le8. Christopher Lang9. Melody Budiono
© 2010 University of California, Irvine – André van der Hoek 4April 18, 2023 – 20:50:03
Your Third Design ExerciseYour Third Design Exercise
Build a structure that spans two bases…
…such that the distance between the two bases is maximized…
…out of Play-Doh, wire, paper, and dowels…
…in 1 hour
(we will take some pictures)
© 2010 University of California, Irvine – André van der Hoek 5April 18, 2023 – 20:50:03
Your Third Design Exercise – Available MaterialsYour Third Design Exercise – Available Materials
8 dowels 3 feet of wire 10 sheets of paper 3 large cans of Play-Doh
© 2010 University of California, Irvine – André van der Hoek 6April 18, 2023 – 20:50:03
Your Third Design Exercise – ConstraintsYour Third Design Exercise – Constraints
The structure must be able to suspend one large can of Play-Doh for 15 seconds– in the middle of the structure– in one other place on the structure of your choosing
not overlapping with a base not overlapping with middle of the structure
The dowels must remain in one piece
The structure as built should reflect the design you specified
© 2010 University of California, Irvine – André van der Hoek 7April 18, 2023 – 20:50:03
Your Third Design Exercise – The ProcessYour Third Design Exercise – The Process
Design: 15 minutes– hand in three different designs
Build: 20 minutes Re-design: 15 minutes
– hand in your final design Build: 10 minutes
After the hour, the final structure has to stand
You are given access to sample materials
The structure with the largest span between the two bases, and that adheres to its final design, wins
ReflectionReflection
How useful was it to have three designs?
Did you attempt to build all three?
© 2010 University of California, Irvine – André van der Hoek 8April 18, 2023 – 20:50:03
© 2010 University of California, Irvine – André van der Hoek 9April 18, 2023 – 20:50:03
Reflection Reflection
What did you learn during the first build phase?
© 2010 University of California, Irvine – André van der Hoek 10April 18, 2023 – 20:50:03
Reflection Reflection
What did your second design phase focus on?
© 2010 University of California, Irvine – André van der Hoek 11April 18, 2023 – 20:50:03
Reflection Reflection
What is the key idea underlying your second design?
© 2010 University of California, Irvine – André van der Hoek 12April 18, 2023 – 20:50:03
Reflection Reflection
How much could you reuse from one version to the next?
© 2010 University of California, Irvine – André van der Hoek 13April 18, 2023 – 20:50:03
Reflection Reflection
How closely did you follow your final design?
© 2010 University of California, Irvine – André van der Hoek 14April 18, 2023 – 20:50:03
Reflection Reflection
What influence did the constraints have?– limited dowels?– supporting Play-Doh?– two spots for the can?– nature of the bases?– 2 x 10 minutes of build time?– …
ReflectionReflection
How did you negotiate amongst these competing constraints?
© 2010 University of California, Irvine – André van der Hoek 15April 18, 2023 – 20:50:03
© 2010 University of California, Irvine – André van der Hoek 16April 18, 2023 – 20:50:03
Reflection Reflection
How much could you draw upon your existing knowledge of bridges?
© 2010 University of California, Irvine – André van der Hoek 17April 18, 2023 – 20:50:03
ReflectionReflection
Would you have rather had one long, 1 hour, building (err, hacking) phase?
© 2010 University of California, Irvine – André van der Hoek 18April 18, 2023 – 20:50:03
ReflectionReflection
Was it useful to step back and think?
© 2010 University of California, Irvine – André van der Hoek 19April 18, 2023 – 20:50:03
Reflection Reflection
How did you know what would / would not work?
© 2010 University of California, Irvine – André van der Hoek 20April 18, 2023 – 20:50:03
Reflection Reflection
Which representation(s) did you use while designing?
© 2010 University of California, Irvine – André van der Hoek 21April 18, 2023 – 20:50:03
Reflection Reflection
What did those representations afford you in the design process?
© 2010 University of California, Irvine – André van der Hoek 22April 18, 2023 – 20:50:03
Three years ago…Three years ago…
Similar?
© 2010 University of California, Irvine – André van der Hoek 23April 18, 2023 – 20:50:03
Assignment 2Assignment 2
Read “The Evolution of Useful Things” by Henry Petroski– chapter 5 “Little Things Can Mean a Lot” – if you want to read more, of course you can read more– available on the class web site
Provide a 1 page summary with what you consider are the major lessons to learn from this text and how these lessons relate to the various design exercises we performed in class– due Tuesday
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