1. Reference problem#

_images/Shape1.gif

1.1. Geometry#

1.2. Material properties#

_images/10000000000002440000019526D7B7915A0B8357.png _images/10000000000002400000017F41B4F2ECB4E3738B.png

Thermal properties (conductivity and entalpy) vary with temperature and are shown in the figures below.

1.3. Boundary conditions and loads#

1.3.1. Step 1: time interval \(0.\mathrm{\le }t\mathrm{\le }\mathrm{3.2s}\)#

  • Temperature imposed on the surface \(\mathit{S1}\)

Time (s)

Temperature (°C)

0.0

1.0

3,2

1700

  • Nonlinear flow imposed on sides \(\mathit{AB},\mathit{CD},\mathit{DF}\)

_images/1000000000000243000001981BEF0C0E9831BA75.png

  • Flow imposed on sides \(\mathit{FG},\mathit{GH},\mathit{HI}\).

_images/100000000000024300000182E004B0B26AF3D50C.png

1.3.2. Step 2 time interval: \(\mathrm{3.2s}<t\mathrm{\le }\mathrm{600.s}\)#

  • Nonlinear flow imposed on sides \(\mathit{AB},\mathit{CD},\mathit{DF},\mathit{FG},\mathit{GH},\mathit{HI}\)

_images/1000000000000243000001981BEF0C0E9831BA75.png

1.4. Initial conditions#

Initial temperature = 20°C