articleEngineering Analysis with Boundary ElementsJan 13, 2026HYBRID OA

Crack analysis of the foundation gallery within an asphalt concrete core dam based on 3D SBFEM-PFM

Dalian University of Technology · Dalian University · +1 more institution

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Abstract

• A novel 3D SBFEM-PFM coupling algorithm is proposed to interpolate phase-field within polyhedral element. • A unified and parallelized computational framework is established that couple 3D SBFEM-PFM with geomaterial elastoplasticity and nonlinear contact. • The proposed approach enables the first 3D phase-field simulation of a large-scale rockfill dam, capturing crack initiation, propagation, and optimization measures in the world’s highest asphalt concrete core dam on the overburden. Fracture analysis of anti-seepage systems in earth-rock dams involves pronounced material nonlinearity, frictional contact behavior, and convergence difficulties, which remain long-standing challenges in geotechnical…

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