Structural shape and topology optimization using a meshless Galerkin level set method

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A survey of structural and multidisciplinary continuum topology optimization: post 2000 (2014, methodology): “Recently, Luo et al. (2012) proposed a meshless Galerkin level set method using the CSRBFs.”
Topology optimization for functionally graded cellular composites with metamaterials by level sets (2018, background): “With a given set of compactly supported radial basis functions (CSRBFs) [64], the PLSM converts the complicated PDEdriven shape and topology optimization problem into a much easier “size” optimization problem, so as to keep the desired features while avoiding the numerical issues of the standard LSM”
Topology optimization of structures using meshless density variable approximants (2013, background): “It is obvious that the topology contours corresponding to the computational points are more capable of capturing the details of the structure [32], in particular for local regions with complex shapes and topologies.”