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一个新的双倾斜斜模型来模拟GFRP/Al基堆的钻探:一种热力学方法

Brahim Salem¹, Ali Mkaddem², Malek Habak³

¹Laboratoire de Mécanique, Modélisation et Productique (LA2MP), National School of Engineering of Sfax, University of Sfax, Sfax 3038, Tunisia.

|April 26, 2025

概括

钻探混合复合堆会产生热量. 从玻璃纤维增强聚合物 (GFRP) 侧攻击会导致更高的接口温度,导致热损伤. 这项研究指导了在工业钻井过程中最大限度地减少热效应.

科学领域:

材料科学材料科学材料科学
机械工程机械工程
制造过程制造过程制造过程

背景情况:

混合复合材料堆 (GFRP/Al) 越来越多地用于航空航天和汽车工业.
钻探这些材料会产生大量的热量,可能会在接口处造成热损伤.
了解钻井过程中的热力学行为对于过程优化至关重要.

研究的目的:

为了研究GFRP/Al接口的热力学行为,在钻井时使用不同的堆叠安排.
开发和验证一个模拟热能转移和损坏传播的数值模型.
分析钻探参数对界面温度和热损伤的影响.

主要方法:

开发一个温度合损伤模型.
在 ABAQUS / 显式有限元代码中使用 VUMAT 和 VDFLUX 子程序实现.
关于模拟材料移除的斜切割配置 (OCC) 的建议.
进行钻探试验以验证模型预测.

主要成果:

螺旋速度的增加显著影响温度分布和地下热损伤.
导出了一个指数温度定律,预测温度变化和热和.
堆叠的安排 (GFRP → Al vs. Al → GFRP) 极大地影响了复合材料的行为.
从GFRP侧进行钻探,由于GFRP的导热率较低,导致更高的界面温度.

结论:

该研究强调了GFRP/Al接口对钻井参数和堆叠顺序的敏感性.
这些发现为混合堆钻井期间的热受影响区域形成提供了关键的见解.
这项研究为减少工业钻井应用中的热损伤提供了指导.

关键词:

在GFRP/Al中使用.在VDFLUX中使用.这就是VUMAT VUMAT.钻探钻探钻探钻探这是一个斜切切割配置的斜切切割配置.温度的温度的温度的温度的温度

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