On the boundary this equation attains the value φ (p) ≡ g (p) where the point on the boundary has been distinguished by small p. Hence to solve Dirichlet's problem, one must find the value of σ (q) ...
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 ...
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