Chapter 1 Injection molding of polymeric micro/nanostructure Molecular dynamics study on polymer filling into nano-cavity by injection molding Formation mechanism of residual stresses in micro-injection molding of PMMA: a molecular dynamics simulation Molecular dynamics simulation on the influences of nanostructure shape, interfacial adhesion energy, and mold insert material on the demolding process of micro-injection molding Chapter 2 Thermoforming of polymeric composites The effect of self-resistance electric heating on the interfacial behavior of injection molded carbon fiber/polypropylene composites through molecular dynamics analysis Molecular dynamics simulation on the effect of self-resistance electric heating on carbon fiber surface chemical properties and fiber/pp interfacial behavior The effect of temperature and strain rate on the interfacial behavior of glass fiber reinforced polypropylene composites: a molecular dynamics study Chapter 3 Injection overmolding of hybrid polymer/substrate structure Molecular dynamics simulation on the interfacial behavior of over-molded hybrid fiber reinforced thermoplastic composites Atomistic investigation on the wetting behavior and interfacial joining of polymer-metal interface Interfacial interaction and joining property of direct injection-molded polymer-metal hybrid structures: a molecular dynamics simulation study Chapter 4 Fabrication of polymeric microfluidic chip Influence of diamond-like carbon coating on the channel deformation of injection-molded microfluidic chip during the demolding process Microscale investigation on the wettability and bonding mechanism of oxygen plasma-treated PDMS microfluidic chip Molecular dynamics simulation on the effect of bonding pressure on thermal bonding of polymer microfluidic chip References