技术
- 分析与建模 - 数字孪生/模拟
- 传感器 - 液位传感器
适用行业
- 医疗保健和医院
- 生命科学
适用功能
- 产品研发
用例
- 数字孪生
- 虚拟现实
关于客户
科罗拉多大学健康科学中心是美国生物医学研究领域的领先机构。该中心的心脏病学研究工程师致力于推进疾病的基础知识和开发新的疾病诊断方法。他们使用不同复杂度的基于力学的模型来深入了解各种疾病,包括肺动脉高压(PAH)。他们的工作对于了解 PAH 的进展和改善对潜在治疗结果的预测至关重要。
挑战
科罗拉多大学健康科学中心的心脏病学研究工程师正在寻求更深入地了解肺动脉高压 (PAH),这种疾病的特征是将缺氧血液从心脏右心室输送到小动脉的血管持续高压。在肺部。随着时间的推移,PAH 导致的负荷增加可能导致过早心力衰竭和死亡。目前诊断和评估 PAH 的临床方法是侵入性的,仅考虑脉管系统的平均流速和压降。面临的挑战是模拟瞬态血流动力学和动脉运动,这需要针对耦合的固体和流体域的解决方案。几何定义源自医学成像,由于超弹性材料和复杂的约束关系,脉管系统的本构建模非常复杂。此外,流体边界条件不能简单地表征。
解决方案
ANSYS FSI 解决方案的实施为流体结构相互作用的耦合仿真提供了完整的解决方案。 ANSYS® ICEM CFD™ Hexa 用于为根据成像数据确定的几何形状提供高质量的四边形和六边形单元壳和体积网格。 ANSYS FEA 实体建模功能允许定义超弹性材料模型和复杂的约束方程。 ANSYS CFX 提供了强大的 CFD 求解器,与 FEA 和关键功能(例如允许定义各种生理边界条件的表达语言)相结合。这一全面的解决方案使研究人员能够更好地了解 PAH 所涉及的瞬态物理学,并深入了解血管僵硬度的影响。
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