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Buckling Problem. 1 조 박준연 박문규 박현수. Contents. Preliminary Problem Shifted Inverse Power Method Shifted QR Method Conclusion Q&A. Preliminary. Where M : internal moment for the beam

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Presentation Transcript
Buckling problem

Buckling Problem

1조 박준연

박문규

박현수


Contents
Contents

Preliminary

Problem

Shifted Inverse Power Method

Shifted QR Method

Conclusion

Q&A


Preliminary
Preliminary

Where M : internal moment for the beam

EI : flexural rigidity of the beam



Finite Difference Method

Set =

Boundary condition : =

=

=

=

-2



Problem
Problem

We use 1. Shifted Inverse Power Method

2. Shifted QR Method


Code

Shifted inverse power method


Code

Shifted QR method


Computing
Computing

Eigenvalues



Shifted inverse power method
Shifted Inverse Power Method

(Find shift value by Gershgorin’stheorem)


Shifted QR

(eigenvalue)

(eigenvalue)

(eigenvalue)




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