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Commit d368e46d authored by Amira Abdel-Rahman's avatar Amira Abdel-Rahman
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structural dynamics validation

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...@@ -68,13 +68,13 @@ det[[K]-\omega^2[M]]=0 \\ ...@@ -68,13 +68,13 @@ det[[K]-\omega^2[M]]=0 \\
(Red horizontal lines are the FEM frequencies calculated in the last sections, blue lines are the fft of the x displacement of the final node). (Red horizontal lines are the FEM frequencies calculated in the last sections, blue lines are the fft of the x displacement of the final node).
- 40 Elements:<br></br> - 40 Elements:<br></br>
<img src="./40.PNG" width=50%><br></br> <img src="./40.png" width=50%><br></br>
- 10 Elements:<br></br> - 10 Elements:<br></br>
<img src="./10.PNG" width=50%><br></br> <img src="./10.png" width=50%><br></br>
- 5 Elements:<br></br> - 5 Elements:<br></br>
<img src="./5.PNG" width=50%><br></br> <img src="./5.png" width=50%><br></br>
- 1 Element:<br></br> - 1 Element:<br></br>
<img src="./1.PNG" width=50%><br></br> <img src="./1.png" width=50%><br></br>
...@@ -84,9 +84,9 @@ Applying Critical damping (=1.0, local relative damping) does not seem to have a ...@@ -84,9 +84,9 @@ Applying Critical damping (=1.0, local relative damping) does not seem to have a
Global Damping has a major effect on the results: Global Damping has a major effect on the results:
- 40 Elements without global damping:<br></br> - 40 Elements without global damping:<br></br>
<img src="./40Dis.PNG" width=50%><br></br> <img src="./40Dis.png" width=50%><br></br>
- 40 Elements with 0.0001 global damping:<br></br> - 40 Elements with 0.0001 global damping:<br></br>
<img src="./40DisDamp.PNG" width=50%><br></br> <img src="./40DisDamp.png" width=50%><br></br>
- Natural Frequency:<br></br> - Natural Frequency:<br></br>
<img src="./40Damp.png" width=50%><br></br> <img src="./40Damp.png" width=50%><br></br>
......
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