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Quadrilaterals, BEAM6T2

Mesh: Four quadrilaterals--see appendix A.1.

Material properties: $\lambda=20$ W/mK, $\rho\!\cdot\! c=3\times 10^6$ J/m³K.

Boundary conditions:

$\alpha_1=\alpha(T_{w1})$ W/m²K, $T_1=-20^\circ$C
$\alpha_2=\alpha(T_{w2})$ W/m²K, $T_2=25^\circ$C

$$\alpha(T)= \left\{\begin{array}{ll} 30 & \mbox{for}~T \le 0... ...T\in (0,0.1)\\ 10 & \mbox{for}~T \ge 0.1 \end{array}\right.$$

Initial conditions: $T(x)\equiv 25^\circ$C at time t=0.

Execute from prompt:
>xrm2 beam6t2.I1
>xrpd beam6t2.IB
>xt2t beam6t2

• INPUT
• OUTPUT