Abstract
Free Mesh Method (FMM) is a kind of meshless method modified from the finite element method. In FMM, the elements are created around each node only in a local manner after the set of nodes is provided, thereby the processes from the creation of the local elements to the construction of the local equations being conducted on a node-by-node basis. In this work, we applied FMM to elasto-plastic dynamic analysis using explicit time integration. Some techniques to apply FMM to this problem are described, and the present FMM is compared with the conventional finite element method to show its feature. As an illustrative example, a simple two-dimensional dynamic problem is analyzed.
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