Time Dependent Study

Hello everybody,

There's something about the time dependent studies in COMSOL that I'm not able to understand and I would like you to help me if possible.

I am solving a heat transfer problem and, to do this, I am using a time dependent study. I have done two different simulations:

1) I have solved the problem for 10 seconds, using a time step of 5 seconds ("range(0, 5, 10)")
, and then calculated the temperature in one point of the domain at t = 5s.

2) I have solved the problem for 5 seconds, using a time step of 5 seconds ("range(0, 5, 5)"), and then calculated the temperature in the same point as in the first simulation, also at t =5s.

I was expecting to obtain the same result in the two simulations since the problem is exactly the same, but the results were different. I have noticed that if I change the time for the simulation to stop, the results, even in a same moment, differ. Could you explain me why this happens?

Thanks in advance.