HigherEd 2.0

Exam 2 is now ready for pickup in the folders outside my office. The overall average was 76%, with the grade breakdown much more uniform than on the last exam. As I mentioned in class on Wednesday, Problem 3 on machines and frames had the lowest average; a grade breakdown for this […]

 

 Exam 2, problem 1 solution: Play Now | Play in Popup | Download

 

 Exam 2, problem 2 solution: Play Now | Play in Popup | Download

 

 Exam 2, problem 3 solution: Play Now | Play in Popup | Download

 

 Exam 2, problem 4 solution: Play Now | Play in Popup | Download

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All 17 entries in our little contest are listed below. The rules are simple:

Each group will evaluate 5 other groups according to this scheme. Group i will evaluate groups (i+1) through (i+5). For instance, Group 1 will evaluate Groups 2, 3, 4, 5, and 6. Group 2 will evaluate Groups […]

 Group 1. Custom Pyramids: Download
 Group 2. Delta Works: Download
 Group 3. Machu Piccu: Download
 Group 4. Channel Tunnel: Download
 Group 5. Brooklyn Bridge: Download
 Group 6. World's Tallest Structures: Download
 Group 7. Golden Gate Bridge: Download
 Group 8. Bering Strait: Download
 Group 9. Prefab Bridges: Download
 Group 10. Ozone Layer: Download
 Group 11. Ski Dubai: Download
 Group 12. Empire State Building: Download
 Group 13. Panama Canal: Download
 Group 14. Langeled Pipeline: Download
 Group 15. Water Scarcity: Download
 Group 16. Roman Aqueducts: Download
 Group 17. Hong Kong Airport: Download

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Wow. It’s been two weeks since the last post, and everyone is done with their podcast project. At a quick glance, the results all look great. The evaluation period will start on Wednesday 11/28. We had a little discussion in class today, so I wanted to just quickly recap it here […]

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We will have a few brief GarageBand training sessions in the DML in the coming days. But I also recorded another video which starts the process from scratch and shows you the salient features of GarageBand. In the video I show you how to create a new podcast project, drop images into the […]

 

 GarageBand demo, from scratch: Play Now | Play in Popup | Download

 

 Test podcast created in the video above, about my car and my kid: Play Now | Play in Popup | Download

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The class has spoken. The exam will be on Tuesday 11/13 from 7-9 pm. The location is TBD. Guidelines:

The content of the exam is: Ch. 5 (all), Ch. 6 (all EXCEPT Sec. 6.5 Space Trusses), and Ch. 7 (shear and moment only).
You can bring one sheet of 8.5 x […]

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I’ve gotten a few questions about specific details, so here goes:

No video. However, you can use an image sequence if you like. For instance, the opening satellite image part of my podcast on The Palm is actually an image sequence of like 75 images each appearing for 1/10 of a second. […]

 

 GarageBand demo: Play Now | Play in Popup | Download

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This is a cold one, and even though the solution muddles about a little bit, it’s worth your time to stick with it. Especially through the part with the FBDs of each member of the structure. In particular, there are two important pieces of advice highlighted in this solution:

It’s useful to draw […]

 

 Video Solution: Prob. 6-89: Play Now | Play in Popup | Download

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This is another brief one to get you up to speed for the exam next week. This homework is due on Friday 11/9 at 4 pm.
First, two shear and moment problems: Prob. 7-77, 7-82
(Use the 5 steps…82 is the hardest one yet, so just take your time…)
Then, two cable problems: Prob. 7-94, […]

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This is the introduction to friction, and before the lecture today we did some small experiments. We introduced the notion of multi-valued STATIC friction, in which the sticking friction force assumes a value just large enough to ensure equilibrium–no more and no less. The video below illustrates this point using the classical inclined […]

 

 Lecture Module 29, November 5 2007: Play Now | Play in Popup | Download

 

 Demo: inclined plane friction experiment: Play Now | Play in Popup | Download

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This module only includes some clarifications on cable analysis from the confusion I generated in class last Wednesday. Actually, the bad mojo surrounding cables continued after this recording, and the result is that we will restrict all future cable problems to those involving “case 1″–cables with point loads and straight line segments.

 

 Lecture Module 28, November 2 2007: Play Now | Play in Popup | Download

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