Abstract
As a matter of fact, most natural structures are complex topology structures with intricate holes or irregular surface morphology. These structures can be used as lightweight infill, porous scaffold, energy absorber or micro-reactor. With the rapid advancement of 3D printing, the complex topology structures can now be efficiently and accurately fabricated by stacking layered materials. The novel manufacturing technology and application background put forward new demands and challenges to the current design methodologies of complex topology structures. In this paper, a brief review on the development of recent complex topology structure design methods was provided; meanwhile, the limitations of existing methods and future work are also discussed in the end.
Highlights
Complex topology structures, including porous structures, lattice structures, cellular structures, etc. are very common in nature environment [1]
Due to the similarities with natural structures, the porous features of complex topology structures can be applied as human implants or scaffolds for tissue engineering
This paper is aimed to supply a brief review of the typical methods of the current design technologies for complex topology structures
Summary
Complex topology structures, including porous structures, lattice structures, cellular structures, etc. are very common in nature environment [1]. Are very common in nature environment [1]. Complex topology structures, including porous structures, lattice structures, cellular structures, etc. Most of these intricate structures belong to the nonzero genus geometries, which have numerous holes or voids. Due to the similarities with natural structures, the porous features of complex topology structures can be applied as human implants or scaffolds for tissue engineering. These porous structures can supply plenty of spaces for cells to attach and proliferate. The optimum designed structures can be applied for energy absorbing [2], sound attenuating [3], vibration isolating or heat dissipating [4,5,6,7]
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