We present a new algorithm for the design of the connection region between different lattice materials. We solve a Stokes-type topology optimization problem on a narrow morphing region to smoothly connect two different unit cells. The proposed procedure turns out to be effective and provides a local re-design of the materials, leading to a very mild modification of the mechanical behaviour characterizing the original lattices. The robustness of the algorithm is assessed in terms of sensitivity of the final layout to different parameters. Both the cases of Cartesian and non-Cartesian morphing regions are successfully investigated.
翻译:我们为设计不同衬垫材料之间的连接区域提供了一种新的算法。 我们在一个狭小的变形区域解决了斯托克斯型的地形优化问题,以便顺利连接两个不同的单元细胞。 拟议的程序证明是有效的,提供了材料的局部重新设计,导致对原层特征的机械行为进行非常温和的修改。 算法的坚固性从最终布局对不同参数的敏感性的角度来评估。 卡尔提斯和非卡提斯变形区域的情况都得到了成功调查。