HigherEd 2.0

This homework set is due on Friday 11/3 at 1 pm.
Prob. 7-3, 7-5 (look at Ex. Prob. 7-4, p. 344 for inspiration), 7-7, 7-13, 7-43, 7-50, 7-52
As usual, post comments and questions here…

[Read more →]

The key points from today’s discussion on V&M are:

Use the sign conventions stated in these notes and in the text.
Follow the rules on the last slide in this module.

In particular, following Rule #5 (check your solution) will save you many headaches in the future if you get into the habit now. I’m sure you […]

 Module 17, Oct. 25 2006: Download

[Read more →]

This is a good problem on a machine composed of several members, one pulley, and a curved link. Have a look and you might find it useful as you do this week’s homework.
As usual, it’s probably best to download and then view, instead of trying to view it in place.

 

 Video solution: Prob. 6-79 [14:41m]: Play Now | Play in Popup | Download

[Read more →]

This is a truss problem from our text, and it illustrates good problem solving approach for the method of sections. Posted below it is the Arcade simulation, which I have used to verify my result. Enjoy, and as always feel free to email or stop by with questions.
Note: the file ended up […]

 

 Video solution: Prob. 6-39 [14:06m]: Play Now | Play in Popup | Download

 

 Arcade solution: Prob. 6-39 [0:20m]: Play Now | Play in Popup | Download

[Read more →]

This assignment is due on Friday 10/27 at 1 pm.
Prob. 6-48, 6-93, 6-134
Keep in mind that your podcast storyboards are also due on Friday, and they can be submitted by email.
Post HW comments here…

[Read more →]

Due date for HW 7 is Friday 10/20 at 1 pm.
This week we have one problem from Ch. 5:
Prob. 5-84 (3-d rigid body equilibrium; hint: use a strictly vector formulation)
We also have some truss problems and machine/frame problems:
Probs. 6-13, 6-35, 6-47, 6-78, 6-87
For the Ch. 6 problems, use whichever method (method of joints […]

[Read more →]

You may have noticed that we are slightly off the schedule listed on the syllabus. We got a little behind by having some very nice discussion and problem sessions over the past few days. So this is a small update on where we are going in the next few classes.
For tomorrow, we will […]

[Read more →]

The podcast contest is rolling right along, with groups informing me of their topic choices by email. The list below reflects what I know right now. In the event that two (or more) groups wish to pursue the same topic, we will work out an equitable solution. I feel strongly that each […]

[Read more →]

We had an extended and very healthy discussion of elastic stability issues in class on Friday. We discussed column buckling and the role of zero-force members in promoting elastic stability in trusses. Elastic stability problems often involve eigenvalue calculations, specifically, when does the real part of an eigenvalue become positive? We mentioned […]

[Read more →]

As discussed in class yesterday, your first due date for podcast assignment materials is Friday Oct. 13. Your group must identify the topic of your submission in an email to me. All I need at this point is a very brief email detailing your topic, one email from each group.
If you have trouble […]

[Read more →]