MATLAB Answers

## How can i solve this integration using newmark?

Asked by Leonardus Risky

### Leonardus Risky (view profile)

on 12 Aug 2018
Latest activity Commented on by Leonardus Risky

### Leonardus Risky (view profile)

on 13 Aug 2018
Accepted Answer by Stephan

### Stephan (view profile)

Hello everybody, I now create a code for solving the dynamic equation of motion in the time response using Newmark-Beta Method but it can't run because there's a problem using loop (for). you can use this reference for understanding the meaning of Newmark-beta Method. can anyone help me to solve this code? Thank You for your help.

#### 0 Comments

Sign in to comment.

## 1 Answer

### Stephan (view profile)

Answer by Stephan

### Stephan (view profile)

on 12 Aug 2018
Edited by Stephan

### Stephan (view profile)

on 12 Aug 2018
Accepted Answer

Hi,
in your for loop is an end missing. I guess that this missing end should be positioned before your plot commands.
Then the following line throws an error:
dis(i+1) = delF/Keff;
I think it should be:
dis(i+1) = delF(i)/Keff;
or:
dis(i+1) = delF(i+1)/Keff;
After fixing this there are some errors appearing due to different lenghts of x- and y-values whole plot is running, which is a result from your for loop and should be solved by you. Note that sbx has a length of 20001.
If you solved this then your plots will overwrite eachother, so a recommendation would be to use subplot to show all results in one figure.
I hope this helped, if not come back with more questions.
Best regards
Stephan

Leonardus Risky

### Leonardus Risky (view profile)

on 13 Aug 2018
thanks for your advise, i think i solved my problem with making new for loop. but anyway thank you
Best Regards
Leonardus

Sign in to comment.