Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
Normal modes refer to fundamental patterns of motion of a system which oscillate at fixed, well defined frequencies. They may be used as building blocks for more complicated motions.
2
votes
Normal modes of the 3-mass-spring system
There are no restoring forces in the springs: this is easy to see,
......
I do not think that this statement is correct.
The rotational mode has stretched springs but the masses do not vibrate …
1
vote
Accepted
Transversal string with free ends question
You know that $$y(x,t)=\sum\limits_{n=1}^{\infty} y_n(x,t)=\sum\limits_{n=1}^{\infty} A_n\cos(k_nx)\cos(\omega_nt+\phi_n)$$
and
$$\dot y(x,t)=\sum\limits_{n=1}^{\infty} \dot y_n(x,t)=\sum\limits …
3
votes
How can I interpret the normal modes of this mechanical system?
In this example all the linkage does is convert a displacement of $u_3$ at the top to a displacement of $-\frac ba u_3$ at the bottom instantaneously so you should not expect there to be any associate …