What does this research mean for the field?

A unified explicit phase-field material point method framework accurately and robustly resolves fluid-structure interaction problems involving large deformations and dynamic fracture. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

Develop a unified explicit phase-field material point method framework capable of modeling fluid-structure interaction involving extreme deformation and dynamic structural fracture.

September 14, 2026Computers & StructuresOpen Access

A unified explicit phase-field material point method framework for fluid-structure interaction with large deformation and dynamic fracture

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Authors

MWMingxin WanDalian University of Technology YQYisong QiuDalian University of Technology SZShun ZhangDalian University of Technology

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Implication

Computational modeling demonstrates accurate capture of dynamic fracture and fluid-structure interaction in deformable media, indicating robust simulation of catastrophic failure scenarios.

Key Points

Develop a unified explicit phase-field material point method framework capable of modeling fluid-structure interaction involving extreme deformation and dynamic structural fracture.
Represented fluid and solid phases with independent sets of Lagrangian material points coupled via a momentum-conserving particle-particle contact algorithm.
Formulated the fluid using a weakly compressible approach with a kinematic deformation-gradient correction to eliminate volumetric locking and ensure hydrostatic consistency.
Coupled a rate-dependent phase-field fracture model with quadratic B-spline shape functions and a Taylor Particle-In-Cell transfer scheme to maintain continuity and minimize numerical dissipation.
Eliminated interface numerical stickiness while strictly preserving local momentum conservation across fluid-solid interfaces without requiring explicit boundary reconstruction.
Accurately predicted crack initiation, branching, and dynamic fragmentation during large structural deformations with reduced dissipation across diverse benchmark problems.

Cite This Study

Wan et al. (2026) studied this question.

synapsesocial.com/papers/6aa7b3bf0926e14a848b2f52 https://doi.org/10.1016/j.compstruc.2026.108448

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Implication

Computational modeling demonstrates accurate capture of dynamic fracture and fluid-structure interaction in deformable media, indicating robust simulation of catastrophic failure scenarios.

A unified explicit phase-field material point method framework for fluid-structure interaction with large deformation and dynamic fracture

Discussion

Member takes

Implication

Key Points

Cite This Study

A unified explicit phase-field material point method framework for fluid-structure interaction with large deformation and dynamic fracture

Discussion

Member takes

Implication

Key Points

Cite This Study

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