做材料本构建模的团队终于有了靠谱的AI助手——双智能体框架自动生成物理有效的模型，省去手动校验的繁琐，建议做固体力学或生物力学仿真的开发者点开看看。
传统本构模型开发需要多年连续介质力学和编程经验，LLM虽能自动生成模型，但单智能体管道缺乏物理一致性检查。研究者提出双智能体框架：Creator智能体根据数据生成模型，Inspector智能体审计模型是否违反9项物理约束，违规则退回修改。在脑组织、实验橡胶和合成橡胶数据集上，使用Claude Opus 4.7和Kimi K2.5测试，Inspector将Opus的物理约束满足率从91%提升至100%，Kimi从37%提升至56%，同时保持高精度和强泛化能力。该框架技术无关，可随LLM能力提升自动扩展，为自动化、物理感知的模型发现开辟新路径。
LLM-driven design of physics-constrained constitutive models: two agents are better than one
Developing constitutive models that capture how materials deform under load traditionally requires years of specialized expertise in continuum mechanics, machine learning, and scientific programming. Large language models (LLMs) have recently been shown to lower this barrier by generating constitutive models on demand, but existing single-agent pipelines lack systematic checks that the resulting models respect fundamental physical laws. To close this gap, we introduce the first multi-agent LLM-driven approach for constitutive model generation: a Creator agent proposes a model tailored to the data, while an Inspector agent critically audits each proposal against nine physical constraints and returns it for refinement whenever a violation is detected. We demonstrate this concept with constitutive artificial neural networks (CANNs) and benchmark it on brain tissue, experimental rubber, and synthetic rubber, using two different LLM backbones (Claude Opus 4.7 and Kimi K2.5). Adding the Inspector raises the share of exported models that truly satisfy all physical constraints from 91% to a perfect 100% for Opus and from 37% to 56% for Kimi, while preserving near-baseline accuracy and remarkable generalization to unseen loading paths. In combination, the generated models are physically valid, highly accurate, and extrapolate reliably beyond the training data - properties that together make them directly usable in practice. Separating generation from inspection thus turns LLM-driven constitutive modeling into a genuinely trustworthy process. The paradigm is deliberately technique-agnostic and scales automatically with advances in LLM capability, opening a promising path toward automated, physics-aware model discovery.