A Multi-AI-agent Framework Enabling End-to-end Finite Element Analysis for Solid Mechanics Problems

• URL: http://arxiv.org/abs/2606.00138v1
• Date: Thu, 28 May 2026 23:18:33 GMT
• Title: A Multi-AI-agent Framework Enabling End-to-end Finite Element Analysis for Solid Mechanics Problems
• Abstract summary: We present AbaqusAgent, a multi-agent framework grounded in large language models (LLMs) for solid mechanics analyses.<n>AbaqusAgent is developed to facilitate analysis case generation and execution using Abaqus, one of the most widely used FEA packages.<n>A wide variety of 50 solid mechanics problems have been successfully validated, achieving an overall success rate of 86%.
• Score: 4.129202963753879
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Finite element analysis (FEA) is the most important numerical approach for solid mechanics. Challenges of FEA include a steep learning curve for entry-level users and potential false simulations due to incorrect definitions of key simulation components, such as boundary conditions, load cases, and solution variables. Years of engineering experience are usually necessary for real-world problem-solving. To address these issues, we present AbaqusAgent, a multi-agent framework grounded in large language models (LLMs) for solid mechanics analyses. AbaqusAgent is developed to facilitate analysis case generation and execution using Abaqus, one of the most widely used FEA packages, by turning users' natural-language instructions into executed FEA analyses and result visualization. AbaqusAgent is composed of six agents, including interpreter, architect, input writer, runner, reviewer, and visualizer agents, encompassing all the essential pre-processing and post-processing steps of standard FEA analyses. A wide variety of 50 solid mechanics problems have been successfully validated, achieving an overall success rate of 86%. Beyond improving the efficiency of FEA for solid mechanics problems and lowering the barrier to computational mechanics education, AbaqusAgent advances the human-simulation interaction paradigm and enables integration with AI-empowered optimization and material characterization workflows. The code is available at https://github.com/LIRAM-LIN/AbaqusAgent

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