技术
- 分析与建模 - 数字孪生/模拟
- 平台即服务 (PaaS) - 应用开发平台
适用行业
- 航天
- 电子产品
适用功能
- 产品研发
用例
- 数字孪生
- 虚拟现实
服务
- 系统集成
关于客户
高性能计算研究所 (IHPC) 是新加坡科学技术研究局 (A*STAR) 下属的一个研究所。 IHPC 成立于 1998 年,致力于通过建模、模拟和可视化方面的先进方法、技术和新工具推动发现。 RF 工程小组开发先进的计算电磁学和多物理场算法和工具,利用电磁兼容性 (EMC) 方面的丰富专业知识,应用于涵盖小规模和大规模问题的广泛应用,例如高速电子、城市和空间 EMC 。 IHPC 与本地和海外的公司和政府机构合作,交付了许多有影响力的项目。
挑战
高性能计算研究所 (IHPC) 面临着开发经济高效的创新方法来建模、诊断和解决电磁兼容性 (EMC) 问题的挑战。电磁(EM)系统和环境的复杂性不断增加,该研究所的任务是处理大型平台上的天线放置等电气大型和多尺度电磁问题。此外,他们还必须处理多物理问题,例如复合材料的电热机械分析。在一个特定项目中,该研究所需要一种高效的建模工具来确定最佳天线位置并最大限度地减少大型电气平台上各种天线之间的干扰。专有天线的几何模型很难从供应商那里获得,因此需要开发替代模型来在平台上的天线放置模拟中表示它。平台天线问题既是电学上的大问题,又是多尺度的问题,实际上无法再仅用全波方法来解决。
解决方案
IHPC 团队基于无相辐射方向图信息(通常在天线数据表中提供)成功开发了代表贴片阵列和开槽波导天线的替代模型。替代模型代表原始天线的辐射和散射性能。开发过程中使用 FEKO 的精确全波模拟来揭示天线上的电流分布,这对于识别导致辐射的电流至关重要。代理模型的设计参数是通过利用 FEKO 强大的优化功能来确定的。一旦获得准确的替代模型,就会将其安装在不同位置的平台上,以计算和比较安装的辐射方向图。对于大型电气平台,FEKO 的混合求解器至关重要。天线周围(包括天线)的区域可以使用 MoM/MLFMM 求解,而剩余的平台几何形状则使用 PO、LE-PO 或 RL-GO 同时求解。这种真正的杂交方法确保了准确且高效的解决方案。
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