Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › Wall contact in particle simulation (dkt2d example) › Reply To: Wall contact in particle simulation (dkt2d example) April 22, 2024 at 7:44 pm #8501 avrachan1Participant I am using Vector<T,3> periodicity(true,true,false); ParticleManager<T,DESCRIPTOR,PARTICLETYPE>particleManager(particleSystem,superGeometry,phaseField,converterPF,externalAcceleration,periodicity);