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We propose a density-dependent function for the attractive interaction in theoriginal van der Waals model to correctly describe the flow constraint at thehigh-density regime of the symmetric nuclear matter. After a generalization toasymmetric nuclear matter, it was also possible to study the stellar matterregime from this new model. The mass-radius relation for neutron stars under$\beta$-equilibrium is found to agree with recent X-ray observations. Theneutron star masses supported against gravity, obtained from someparametrizations of the model, are in the range of $(1.97-2.07)M_{\odot}$,compatible with observational data from the PSR J0348+0432 pulsar. Furthermore,we verify the reliability of the model in predicting tidal deformabilities ofthe binary system related to the GW170817 neutron star merger event and find afull agreement with the new bounds obtained by the LIGO/Virgo collaboration.

Density-dependent van der Waals model under the GW170817 constraint