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更多信息在工程学中,流体流动描述的是流体如何运动并与其周围环境(包括固体边界和其他流体)相互作用。
与固体不同,流体在外力作用下会不断变形,因此其行为的建模和预测更为复杂。
流体流动行为受质量、动量和能量守恒等物理定律的支配,这些定律在模拟工作流中通过数值方式求解。
根据物理特性,流体流动可分为几种类型:
了解流体流动的类型对于选择合适的模拟方法至关重要。
分析流体流动有助于工程师回答以下问题:
准确的流体流动分析有助于在开发早期做出更好的设计决策。
流体流动最常见的研究方法是计算流体动力学(CFD),这是一种在离散模型上对流体流动方程进行数值求解的模拟方法。
与其他模拟领域一样,网格质量、边界条件和几何准备对结果的准确性有很大影响。
在多物理场工作流中,流体流动模拟经常与其他物理场(如热分析或结构分析)相互作用。
进一步阅读:CFD 分析的 3 个核心组成部分
流体流动分析在许多行业都至关重要:
了解流体行为可提高效率、可靠性和安全性。
流体流动建模面临着一些挑战:
仔细的模型设置和验证对获得可靠的结果至关重要。
Spatial 可在 CAD 和 CAE 环境中实现精确的几何准备和数据互操作性,从而为流体流动仿真工作流程提供支持。
通过提供专为 CFD 和强大的几何预处理量身定制的简洁、仿真就绪的网格,Spatial 可帮助确保仿真基于原始设计的可靠表示。
在此基础上,工程师和开发人员可以专注于流动物理和性能,而不是与几何相关的问题。
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