Work

Loop-subdivision isogeometric BEM for free-surface wave scattering by shell-like structures

Year: 2026

Type: article

Abstract: This study develops a Loop-subdivision isogeometric boundary element method for wave scattering by shell structures in infinitely deep water. Within linear potential-flow theory, the time-harmonic wave field is described by a frequency-domain velocity potential. An infinite-depth free-surface Green function is used to reduce the exterior boundary-value problem to a boundary integral equation on the wetted surface, with the total potential decomposed into a prescribed regular-wave potential and a structure-induced scattered potential. Loop subdivision basis functions are adopted for both surface geometry and boundary-field approximation on unstructured triangular meshes, giving a geometry-consistent isogeometric discretization for shell configurations. Numerical examples involving a spherical shell, a hemisphere-capped cylinder, and a submarine model are used to assess the accuracy and applicability of the proposed method.

Source: Ocean Engineering

DOI: 10.1016/j.oceaneng.2026.128649

Authors: Qingxiang Pei, Haifeng Gao, Huijie Dong, Zhenghe Liu, Leilei Chen, Haojie Lian

Institutions: Taiyuan University of Technology, Huanghuai University

Language: English

Topic: Advanced Numerical Analysis Techniques

Subfield: Computational Mechanics

Field: Engineering

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $4,150

Funder: National Natural Science Foundation of China