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Table 1 Boundary conditions for Edges 1, 2, 3 and 4.

From: A Computational Model for Prestressed Concrete Hollow-Core Slab Under Natural Fire


Edge 1

Edge 2

Edge 3

Edge 4


\(q_{T}=q_{T}\left( \text {Test 1, Test 2} \right)\)

\(\frac{\partial T}{\partial n} = 0\)

\(q_{T}=q_{T}\left( T_{\infty }=20^\circ \text{C} \right)\)

\(q_{T}=q_{T}\left( T_{op} \right) ^{\text{a}}\)


\(P_{G}=0.1\) MPa

\(\frac{\partial P_{G}}{\partial n} = 0\)



\({\tilde{\rho }}_{V}\):

\(q_{v}=q_{v}\left( {\tilde{\rho }}_{V,\infty }\right)\)

\(\frac{\partial {\tilde{\rho }}_{V}}{\partial n} = 0\)

\(q_{v}=q_{v}\left( {\tilde{\rho }}_{V,\infty }\right)\)

\(q_{v}=q_{v}\left( {\tilde{\rho }}_{V,\infty }\right) ^{\text{a}}\)

  1. aBoundary conditions for case S1.