1. Reference problem#
1.1. Geometry#
Square plate
1.2. Material properties#
These properties vary according to the time interval under consideration:
for \(0\le t\le 30s\) and \(3630\le t\le 3660s\)
\(E=178600\mathrm{MPa}\)
\(\nu =0.3\)
Plasticity with linear isotropic work hardening:
\[\]
: label: EQ-None
{sigma} _ {y} =120mathrm {MPa}
for \(30\le t\le 3630s\) and \(3660\le t\le 7260s\)
\(E=178600\mathrm{MPa}\)
\(\nu =0.3\)
Lemaître viscoelastic behavior relationship:
1.3. Boundary conditions and loads#
On \(A\): \({u}_{x}={u}_{y}=0\)
On the \(\mathrm{AB}\) side: \({u}_{x}=0\)
Loading below (\(t=0\) in \(0\))
Routes \(\mathrm{OA}\) and \(\mathrm{AB}\), lasting 30 seconds.
Hold time in \(A\) and \(B\) of 3600 seconds.
