Stochastic nonlinear behavior of a graphene origami auxetic metamaterial plate under uncertain excitation using different sampling strategies

Trinh Minh Tuan

doi:10.1016/j.ast.2026.113337

Stochastic nonlinear behavior of a graphene origami auxetic metamaterial plate under uncertain excitation using different sampling strategies

2026-07-29

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AI

T

Trinh Minh Tuan

N

Ngo Hai Minh

N

Nguyen Manh Dzung

T

Thanh Dong Nguyen

D

Do Van Truong

V

Vu Linh Nguyen

D

Duc Tien Nguyen *

D

Dinh Gia Ninh *

DOI：10.1016/j.ast.2026.113337

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• A controlled benchmark compares standard MC, randomized LHS, and scrambled Sobol’ QMC. • LHS and Sobol’ QMC markedly outperform standard MC under limited sampling budgets. • Sobol’ QMC offers balanced, extensible sampling with accuracy comparable to LHS. • A first nonlinear stochastic framework is developed for foundation-supported FG-GOEAM thin plates. • Coupled auxeticity-stiffness-uncertainty trade-offs are revealed for robust metamaterial design.

Stochastic nonlinear behavior of a graphene origami auxetic metamaterial plate under uncertain excitation using different sampling strategies

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