['The', 'property', 'of', 'Galilean', 'invariance', '(', 'i.e.', ',', 'the', 'dependence', 'on', 'the', 'relative', 'velocity', ')', 'makes', 'DPD', 'a', 'profile', '-', 'unbiased', 'thermostat', '(', 'PUT', ')', '[', '6,7', ']', 'by', 'construction', 'and', 'thus', 'it', 'is', 'an', 'ideal', 'thermostat', 'for', 'nonequilibrium', 'molecular', 'dynamics', '(', 'NEMD', ')', '[', '8', ']', '.']