1. Reference problem

1.1. Geometry

Square plate

1.2. Material properties

\(E\mathrm{=}178600\mathit{MPa}\)

\(\nu \mathrm{=}0.3\)

Lemaître viscoelastic behavior relationship

1.3. Boundary conditions and loads

On \(A\): \({u}_{x}\mathrm{=}{u}_{y}\mathrm{=}0\)

On the \(\mathit{AB}\) side: \({u}_{x}\mathrm{=}0\)

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Routes \(\mathit{OA}\) and \(\mathit{AB}\), lasting 30 seconds,

Hold time in \(A\) and \(B\) of 3600 seconds