Abstract
A variety of engineering processed could be modelled by differential equation with partial derivatives. Typically, differential equations for complex domains are solved by numerical methods. The initial step of such methods often requires a discrete representation of the domain by a grid or a mesh. In many practical cases domains could be combinations of cylindrical or conic shells. Such domains could be meshed using structured or block-structured grids. The general strategy is an adaptation of the grid to the domain’s shape. Such adaptation should process properties of the problem, e.g. forces. In this case the grid should be non-uniform with the increased density of elements in some regions. The elliptical method is a general method for a mesh adaptation. This method uses elliptical differential equations with partial derivatives to handle density of elements over the domain. In this article, we developed the elliptical method for cylindrical and conic shells meshing. Controlling functions are used to manage density of elements in the mesh increasing it near specified coordinate lines.
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Khalanchuk, L., Choporov, S. (2022). Elliptical Methods for Surface Meshing. In: Shkarlet, S., et al. Mathematical Modeling and Simulation of Systems. MODS 2021. Lecture Notes in Networks and Systems, vol 344. Springer, Cham. https://doi.org/10.1007/978-3-030-89902-8_10
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DOI: https://doi.org/10.1007/978-3-030-89902-8_10
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