For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:trenn:branches:graphics/openSUSE_Tumbleweed/home:trenn:branches:graphics.repo
zypper refresh
zypper install paraview
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:trenn:branches:graphics/openSUSE_Factory/home:trenn:branches:graphics.repo
zypper refresh
zypper install paraview
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:trenn:branches:graphics/15.6/home:trenn:branches:graphics.repo
zypper refresh
zypper install paraview