一种基于联合神经网络的地震超材料预测设计方法

By employing a combined neural network-based earthquake metamaterial prediction and design method, utilizing the finite element method and deep learning models, the nonlinearity problem in earthquake metamaterial design was solved, generating low-frequency wide-bandgap materials, and achieving precise control of seismic waves and improved time efficiency.

CN118692608BActive Publication Date: 2026-07-17BEIJING UNIV OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING UNIV OF TECH
Filing Date
2024-07-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies struggle to effectively control low-frequency seismic waves, and the highly nonlinear design of seismic metamaterials makes precise control of seismic waves difficult.

Method used

A seismic metamaterial prediction and design method based on joint neural networks is adopted. By using the finite element method and deep learning model, low-frequency wide-bandgap seismic metamaterials are generated, including the cascade training of UAE and DFN models. Combined with material parameter assignment and dispersion curve analysis, the reverse design of seismic metamaterials is realized.

Benefits of technology

It significantly shortens the design time, generates low-frequency, wide-bandgap seismic metamaterials that can effectively attenuate seismic waves, and has high design accuracy. The interdisciplinary approach has great potential in the design of seismic metamaterials.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN118692608B_ABST
    Figure CN118692608B_ABST
Patent Text Reader

Abstract

本发明提供了一种基于联合神经网络的地震超材料预测设计方法,属于地震超材料设计技术领域,包括以下步骤:地震超材料构型与频散曲线分别由图像和文本数据描述,通过UAE降维并提取特征,并通过DFN建立构型和频散曲线之间的映射关系。然后,利用预训练的神经网络实现地震超材料的一对多设计。最后,通过有限元法构建半无限空间数值模型,进行频域和时域分析,对生成构型的有效性进行验证。本发明采用上述的一种基于联合神经网络的地震超材料预测设计方法,联合神经网络可以有效的生成低频宽带隙的地震超材料,设计精度和耗时表明,基于深度学习的跨学科方法在地震超材料反向设计领域具有巨大的潜力和应用前景。
Need to check novelty before this filing date? Find Prior Art