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Gas Technology Institute Investigates Pipeline Maintenance Standards

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Oren Lever, Energy Delivery & Utilization, Gas Technology Institute, USA

美国燃气技术研究院(Gas Technology Institute,简称 GTI)是天然气研究、开发与培训等领域的领导者,他们研究了天然气管道压扁阻断长度的行业标准,希望借此简化管道的维护工作。压扁阻断指对管道进行挤压直到完全阻断气体流动。GTI 团队通过 COMSOL Multiphysics® 软件中的“结构力学模块”和“非线性结构材料模块”建立了一个全参数化的瞬态模型。他们制作了由结构化与非结构化网格结合的混合网格。利用此方法,以及接触分析和定制的本构模型,团队能够精确分析管道中的大变形。

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