  We present the results of the light curve model fitting technique applied to
optical and near-infrared photometric data for a sample of 18 Classical
Cepheids (11 fundamentals and 7 first overtones) in the Large Magellanic Cloud
(LMC). We use optical photometry from the OGLE III database and near--infrared
photometry obtained by the European Southern bservatory public survey "VISTA
near--infrared survey of the Magellanic Clouds system". Iso--periodic nonlinear
convective model sequences have been computed for each selected Cepheid in
order to reproduce the multi--filter light curve amplitudes and shape details.
The inferred individual distances provide an intrinsic weighted mean value for
the LMC distance modulus of $\mu_0=18.56$ mag with a standard deviation of 0.13
mag. We derive also the Period--Radius, the Period--Luminosity and the
Period--Wesenheit relations that are consistent with similar relations in the
literature. The intrinsic masses and luminosities of the best--fitting models
show that all the investigated pulsators are brighter than the redictions of
the canonical evolutionary mass--luminosity relation, suggesting a significant
efficiency of non--canonical phenomena, such as overshooting, mass loss and/or
rotation.
