(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

http://img545.imageshack.us/img545/8149/13862239.png [Broken]

The displacement functions:

http://img256.imageshack.us/img256/2743/13939694.png [Broken]

Derive the displacement functions 2-10 up to 2-13.

2. Relevant equations

Third cubic polynomial and elementary beam theory

3. The attempt at a solution

I don't understand how the displacement functions can be derived can somebody give me a hint?

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# Homework Help: Shpae functions FEM

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