Conjugate Gradient 1 Controllability of linear and nonlinear PDE’s 1 Finite Element Method 1 Nash equilibria 1 Navier–Stokes equations 1 RBC 1 Two-phase combustion 1 bi-objective optimal control problems 1 capsule 1 cellular instabilities 1 control of free-boundary problems 1 discontinuous electric potential 1 domain decomposition 1 droplet-flame interaction 1 encapsulation 1 fictitious domain 1 finite element methods 1 flame morphology 1 interfaces 1 interfacial rheology 1 interior penalty techniques 1 laminar flames 1 liquid metal batteries 1 local extinction 1 magnetohydrodynamics 1 non-Newtonian fluid 1 numerical methods 1 polymers 1 vesicle 1