In [1], the thermo-elastic approach developed in [2] has been applied to model the calorimetric behaviour of thin polymer films which are deposited on metal substrates. The expression to calculate the specific heat of the constrained film was derived. In the current paper, this approach will be validated by the numerical simulation of the related boundary value problem. With the finite element solution of the fully coupled thermo-elasticity problem using the software COMSOL, the specific heat of the constrained film is simulated for different types of thermal expansion behaviour. It is shown that the specific heat of the film depends on the thermal strains which are induced in the substrate. The lateral stresses in the film can be negative or positive according to the difference in the thermal expansion coefficients between the film and the substrate. It is shown that due to the transformation of energy from thermal into mechanical forms or vice versa the heat supplied to the pan of the DSC-device can be different and consequently influence the specific heat. The heat flux which is going into the film for different coefficients of thermal expansion is numerically simulated. The validity of the expression derived in Ellis also confirmed. (C) 2014 Elsevier B.V. All rights reserved.