Viscous fingering phenomena in the early stage of polymer membrane formation. Journal of Fluid Mechanics, (864):97-140, Cambridge University Press, 2019. [PUMA: journal nieken hopp icvt] URL
Up-scaling transport in porous polymer membranes using asymptotic homogenization. International Journal of Numerical Methods for Heat & Fluid Flow, (30):266--289, 2019. [PUMA: matthies journal nieken hopp icvt] URL
Three-dimensional lattice Boltzmann simulations of high density ratio two-phase flows in porous media. Computers & Mathematics with Applications, (75)7:2445--2465, Elsevier BV, April 2018. [PUMA: journal nieken hopp icvt] URL
Study of implicit time-integration in truly incompressible SPH. Proceedings of the 12th International SPHERIC Workshop, 13.06.-15.06.2017, Ourense, Spain, 2017. [PUMA: nieken hopp icvt proceedings]
Study of implicit time-integration in truly incompressible SPH. 12th International SPHERIC Workshop, 13.06.-15.06.2017, Ourense, Spain, 2017. [PUMA: hopp icvt vortrag]