The invention discloses a rail vehicle windshield structure design method, which comprises the following steps: S1, sample sheet level material test: manufacturing a chemically strengthened glass surface stress and stress layer depth test sample, a glass bending strength test sample and an interlayer polymer tensile test sample, and testing the surface stress and stress layer depth test sample, the glass bending strength test sample and the interlayer polymer tensile test sample through a surface stress meter and a universal tester; respectively obtaining the stress distribution of the glass section, the bending failure characteristic of the glass and the tensile failure characteristic of the interlayer polymer; s2, establishing a chemically strengthened glass model: according to the stress distribution of the chemically strengthened glass in the thickness direction obtained in the step S1, establishing a change rule of the stress layer depth along with the thickness direction, developing a glass internal stress distribution algorithm by using a SUBROUTINE DLOAD subprogram interface in ABAQUS software, and performing simulation modeling on the internal initial strengthening stress of the chemically strengthened glass. The device can accurately simulate the gravel resistance, impact resistance, optical performance, sound insulation and other performance of the windshield, and is beneficial to rapid development of the windshield of the railway vehicle.
本发明公开了一种轨道车辆挡风玻璃结构设计方法,本控制方法包括以下步骤:S1、样片级材料试验:制作化学强化玻璃表面应力及应力层深度测试试样、玻璃弯曲强度试样、夹层聚合物拉伸试样,并通过表面应力仪、万能试验仪,分别获得玻璃断面的应力分布、玻璃的弯曲破坏特性和夹层聚合物的拉伸破坏特性;S2、建立化学强化玻璃模型:根据步骤S1测试获得的化学强化玻璃厚度方向的应力分布,建立应力层深度随厚度方向的变化规律,利用ABAQUS软件中SUBROUTINE DLOAD子程序接口开发玻璃内部应力分布算法,并对化学强化玻璃内部初始强化应力进行模拟建模。本发明能够准确地对挡风玻璃的抗砾石、抗冲击、光学、隔音等性能进行模拟,有利于轨道车辆的挡风玻璃的快速开发。
Railway vehicle windshield structure design method
一种轨道车辆挡风玻璃结构设计方法
2024-02-06
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen |
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