Abstract
PLANE stress problems can be described by the Airy stress function χ, which satisfies the biharmonic equation the stress components being the second derivatives of this function. A resistance network method has been developed which solves the biharmonic equation.
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LIEBMANN, G. A Resistance-Network Analogue Method for solving Plane Stress Problems. Nature 172, 78 (1953). https://doi.org/10.1038/172078a0
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DOI: https://doi.org/10.1038/172078a0
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