Fabric membrane tear strength model construction method, system and model application method
By constructing a tear strength model of fabric film material that considers the impact of coating, the problem of the existing model ignoring the impact of coating is solved, and higher prediction accuracy and accuracy are achieved.
CN114707219BActive Publication Date: 2025-03-28CHINA UNIV OF MINING & TECH
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Patent Information
- Application Number
- CN202210380458.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-04-12
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2042-04-12
AI Technical Summary
Technical Problem
The existing fabric film tearing model ignores the effect of coating on tear strength, resulting in low accuracy in tear strength prediction.
Method used
By constructing a tear strength model of fabric film material that considers the influence of coating, including material performance parameters, coating size and tear model of warp and weft yarn layers, combined with fracture mechanics theory and least squares method, the warp and weft tear strength models of fabric film material are determined.
Benefits of technology
Improves the accuracy of the prediction of tear strength of building membrane materials and enhances the prediction accuracy of the model, especially when taking into account the impact of the coating.
✦ Generated by Eureka AI based on patent content.
Abstract
The present invention relates to a method, system and model application method for constructing a tear strength model of a fabric membrane material. The construction method comprises: collecting material performance parameters of a warp yarn layer, material performance parameters of a weft yarn layer and coating size respectively through material performance testing; constructing a warp yarn tearing model and a weft yarn tearing model respectively according to the material performance parameters of the warp yarn layer and the material performance parameters of the weft yarn layer; determining a warp yarn coating tearing model and a weft yarn coating tearing model respectively according to the material performance parameters of the warp yarn layer, the material performance parameters of the weft yarn layer and coating size; determining a warp tear strength model of the fabric membrane material according to the material performance parameters of the warp yarn layer, the warp yarn tearing model and the warp yarn coating tearing model; determining a weft tear strength model of the fabric membrane material according to the material performance parameters of the weft yarn layer, the weft yarn tearing model and the weft yarn coating tearing model.
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