A digital twin modeling method and system for vibration and noise of large complexes

By deploying sensor arrays and constructing twins, a three-dimensional twin is built, vibration and noise sources are identified and discretized and aggregated, vibration equations are extracted, an explicit scene transfer framework is introduced, and a reduced-order gray box model based on the acoustic medium boundary is generated. This solves the problems of refinement and flexibility in vibration and noise modeling in large complexes, and achieves dynamic modeling with high accuracy and high adaptability.

CN120296981BActive Publication Date: 2025-10-28GUANGDONG UNIV OF TECH
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Patent Information

Application Number
CN202510413902.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2025-10-28
Estimated Expiration
2045-04-03

AI Technical Summary

Technical Problem

Existing technologies struggle to achieve refined and flexible modeling of vibration and noise in large complexes, resulting in insufficient accuracy and adaptability of dynamic modeling. In particular, it is difficult to effectively identify vibration and noise sources and quantify their impact in multi-source heterogeneous interference environments.

Method used

By employing sensor array deployment and twin reconstruction, a three-dimensional twin is constructed, vibration and noise sources are identified and discretized and aggregated, vibration equations are extracted, an explicit scene transfer framework is introduced, and a reduced-order gray box model based on the acoustic medium boundary is generated to realize the mapping between the vibration and noise model and the three-dimensional twin.

Benefits of technology

It achieves refined modeling and dynamic visualization of vibration and noise in complex building scenarios, with high accuracy and adaptability, and supports rapid adaptation and model building in multiple scenarios.

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Abstract

This invention discloses a digital twin modeling method and system for vibration and noise in large-scale complexes, relating to the field of computer data processing technology. For the target complex, a sensor array is deployed and a twin is reconstructed to build a three-dimensional twin. The vibration and noise sources of the target complex are identified. Vibration modes are discretized and aggregated, and vibration equations for each aggregate class are mined. An explicit scene transfer framework is introduced to determine the explicit modeling requirements of the vibration and noise scene. Assisting the vibration equations, vibration and noise distribution based on acoustic medium boundaries is performed on the three-dimensional twin to generate a vibration and noise model. This invention addresses the technical problem in existing technologies where the level of detail and flexibility in vibration and noise modeling for complex architectural scenes is insufficient, leading to inadequate accuracy and adaptability in dynamic modeling. It achieves detailed vibration and noise modeling and dynamic visualization for complex architectural scenes, possessing significant advantages of high accuracy and high adaptability.
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