Pseudo Mapping Method for Singular Integral of Curved Panels
Ik-Jae Lee, Sun-Hong Kwon
한국해양공학회지 · 2019
doi:10.26748/ksoe.2019.001 (opens in a new tab)
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Abstract
A numerical method is suggested for evaluating the singular integral of curved panels in the higher-order boundary element method. Two-step mapping procedures that are significantly related to the physical properties of singular behaviors were developed and illustrated. As a result, the singular behaviors were significantly alleviated, and the efficiency and robustness of the present method for tangentially and axially deformed elements were proven. However, inaccuracies and numerical instabilities of twisted elements were discovered as a result of nonlinearities.
Abstract licence: CC BY-NC
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