Abstract
The plane strain problem is analyzed in detail for a class of isotropic, compressible, linearly elastic materials with a strain energy density function that depends on both the strain tensor ε and its spatial gradient ∇ε. The appropriate Airy stress-functions and double-stress-functions are identified and the corresponding boundary value problem is formulated. The problem of an annulus loaded by an internal and an external pressure is solved.
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The paper is dedicated to the memory of Professor Donald Carlson.
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Aravas, N. Plane-Strain Problems for a Class of Gradient Elasticity Models—A Stress Function Approach. J Elast 104, 45–70 (2011). https://doi.org/10.1007/s10659-011-9308-7
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DOI: https://doi.org/10.1007/s10659-011-9308-7