Human-guided physics-constrained AI agents construct an auditable model of soil-plug evolution

📅 2026-09-20
📈 Citations: 0
Influential: 0
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🤖 AI Summary
研究通过人机协作、物理约束的多智能体工作流,解决了土壤塞演变建模中的理论到代码转化问题,提高了预测精度和可审计性。
📝 Abstract
Engineering predictions require physical mechanisms to be translated consistently into equations, discretization, code, and validation, yet errors can propagate despite local checks. Artificial-intelligence (AI) agents automate scientific tasks, but coordinating and independently auditing the theory-to-solver process under physical constraints and human oversight remains unresolved. We introduce a human-in-the-loop, physics-constrained multi-agent workflow where human experts define admissible physics and modeling boundaries, while agents retrieve evidence, derive equations, implement solvers, and audit the theory-to-code chain. Applied to soil-plug evolution during suction-caisson installation, the workflow generated and audited 6 formulations in 2.9 h of agent execution once physical knowledge and inputs were prepared. Among these formulations, adding seepage-driven soil void-ratio evolution to the geometric baseline reduced mean absolute final-heave error from 58.4% to 9.0% across 14 profiles; the selected model further incorporated near-wall dilation and achieved mean absolute percentage errors of 12.4% across 9 final-state cases and 4.2% at the endpoints of 5 process histories. Beyond predictive performance, blinded replay recovered all 9 target problems, while an independent audit uncovered 5 implementation problems after 36 predefined checks had passed. Overall, this work extends multi-agent AI beyond task automation toward human-governed engineering solvers.
Problem

Research questions and friction points this paper is trying to address.

human-in-the-loop
physics-constrained
multi-agent workflow
soil-plug evolution
Innovation

Methods, ideas, or system contributions that make the work stand out.

human-in-the-loop
physics-constrained
multi-agent workflow
soil-plug evolution
predictive performance
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J
Jie Shi
Institute of Ocean Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
Y
Yimin Lu
Department of Civil, Environmental, and Construction Engineering, Texas Tech University, USA
Z
Zhongkun Ouyang
Institute of Ocean Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China