A localized collocation solver based on fundamental solutions for 3D time harmonic elastic wave propagation analysis
作者：
Highlights：
• A novel localized collocation method is applied to 3D elastic wave propagation analysis.
• An improved formulation is constructed to improve the computational efficiency and stability.
• It performs the equally accurate solutions with fewer node discretization than the FEM.
• The semi-analytical fundamental solutions are used to improve the efficiency and accuracy.
• It provides the similar sparse matrix with the FEM.
摘要
•A novel localized collocation method is applied to 3D elastic wave propagation analysis.•An improved formulation is constructed to improve the computational efficiency and stability.•It performs the equally accurate solutions with fewer node discretization than the FEM.•The semi-analytical fundamental solutions are used to improve the efficiency and accuracy.•It provides the similar sparse matrix with the FEM.
论文关键词：Localized collocation solver,Fundamental solutions,Meshless,Elastic wave,Time harmonic
论文评审过程：Received 23 January 2022, Revised 25 September 2022, Accepted 28 September 2022, Available online 21 October 2022, Version of Record 21 October 2022.
论文官网地址：https://doi.org/10.1016/j.amc.2022.127600
