Direct method of obtaining capacitance from finite-element matrices

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Direct method of obtaining capacitance from finite-element matrices

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© The Institution of Electrical Engineers
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The finite-element representation of the 2-dimensional Laplace equation is considered. From the matrices developed, a simple matrix method of obtaining the capacitance per unit length of uniform transmission lines is demonstrated.

Inspec keywords: matrix algebra; capacitance; transmission line theory

Other keywords: Laplace equation; transmission line theory; matrix algebra; transmission lines; capacitance

Subjects: Transmission line theory

References

    1. 1)
      • S. Ahmed , P. Daly . Waveguide solutions by the finite-element method. Radio & Electron. Eng.
    2. 2)
      • P. Silvester . High-order polynomial triangular finite elements for potential problems. Int. J. Eng. Sci. , 849 - 861
    3. 3)
      • R.E. Collin . (1960) , Field theory of guided waves.
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