Consider the following stiffness matrix for a three mass, four spring system: K= -(k₂ +k₂) k₂ 0 4) k₂ -(k₂ +k₂) k3 0 k3 -(K3+k₁) Find the three natural frequencies of the system and give the ratios of amplitudes, respectively m₁ = 1 m₂ = 1 m₂ = 1 k₁ = 1 k₂ = 1 k₂ = 1 k₁ = 1
Consider the following stiffness matrix for a three mass, four spring system: K= -(k₂ +k₂) k₂ 0 4) k₂ -(k₂ +k₂) k3 0 k3 -(K3+k₁) Find the three natural frequencies of the system and give the ratios of amplitudes, respectively m₁ = 1 m₂ = 1 m₂ = 1 k₁ = 1 k₂ = 1 k₂ = 1 k₁ = 1
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![Consider the following stiffness matrix for a three mass, four spring system:
\[
K =
\begin{bmatrix}
-(k_1 + k_2) & k_2 & 0 \\
k_2 & -(k_2 + k_3) & k_3 \\
0 & k_3 & -(k_3 + k_4) \\
\end{bmatrix}
\]
Find the three natural frequencies of the system and give the ratios of amplitudes, respectively.
Given:
\[ m_1 = 1 \quad m_2 = 1 \quad m_3 = 1 \]
\[ k_1 = 1 \quad k_2 = 1 \quad k_3 = 1 \quad k_4 = 1 \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F52fb4760-8b56-41d1-811f-26cd2f9d5b41%2F144d3d34-5dea-4272-a1d0-453fcb3a4792%2Fsxmruj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the following stiffness matrix for a three mass, four spring system:
\[
K =
\begin{bmatrix}
-(k_1 + k_2) & k_2 & 0 \\
k_2 & -(k_2 + k_3) & k_3 \\
0 & k_3 & -(k_3 + k_4) \\
\end{bmatrix}
\]
Find the three natural frequencies of the system and give the ratios of amplitudes, respectively.
Given:
\[ m_1 = 1 \quad m_2 = 1 \quad m_3 = 1 \]
\[ k_1 = 1 \quad k_2 = 1 \quad k_3 = 1 \quad k_4 = 1 \]
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