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Study of shrinkage stresses for drying of brick as a conjugate problem. (English) Zbl 0977.74018
Summary: We study numerically the drying-induced shrinkage stress of a two-dimensional rectangular brick of aspect ratio 2. The drying of brick is analyzed as a conjugate problem. The conservation equations for the solid are obtained using continuum approach, and Navier-Stokes equations are solved for the flow field. An elastic model is used to calculate the shrinkage stresses. The present unified model predicts the stress concentration at the leading edge, where it is expected to be maximum due to large shrinkage.

MSC:
74F10 Fluid-solid interactions (including aero- and hydro-elasticity, porosity, etc.)
74S05 Finite element methods applied to problems in solid mechanics
74G70 Stress concentrations, singularities in solid mechanics
76S05 Flows in porous media; filtration; seepage
76D05 Navier-Stokes equations for incompressible viscous fluids
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