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In this study, an improved parametric level set method based on a self-organized acceleration scheme is proposed for the structural topology optimization of minimizing a global frequency response. The parametric level set method based on the compactly supported radial basis functions is used for building the relative mathematical model, in which a self-organized acceleration scheme based on topological...
In order to address the efficient issue of the topological shape optimization problem, this paper presents a parametric level set method for the problem of continuum structures by using the Radial Basis Functions (RBFs). The level set-based method is introduced to implicitly represent the free boundary of a structure. To evolve the level set front, the Wu's compactly supported radial basis function...
A dual-passband microwave photonic filter (MPF) implemented based on phase-modulation to intensity-modulation (PM-IM) conversion using a phase modulator and an equivalent phase-shifted fiber Bragg grating (EPS-FBG) is proposed and experimentally demonstrated. The key component in the system is the EPS-FBG, which is designed and fabricated based on the equivalent phase-shift technique. The unique feature...
This paper presents an improved method based on intelligent-view for calculating discrete no-fit polygon. Most of solutions to the two-dimensional irregular packing problem using discrete no-fit polygon, however, usually might cause void space or involve expensive calculating time. To solve these problems, an improved approach based on intelligent-view is proposed, which including: (1) the input parts...
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