Heat transfer analysis is a very important part in determining the fire resistance of a structure.
In LIRA-SAPR 2019 there is a new option to simulate the steady and transient heat transfer process.
In heat transfer analysis, temperature in analytical model nodes is unknown (similar to displacement in structural analysis). Consequently, the equilibrium equation may be written as
LIRA-SAPR program makes selection and check of the reinforcement according to reduced parameters of concrete and reinforcement during the specified time period when the fire load is applied.
Let us consider an example of analysis of heat transfer of a brick house external wall.
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