瞬变电磁三维正演软件(地面、航空、井中、海洋)

上传者: 37596765 | 上传时间: 2025-05-27 16:24:56 | 文件大小: 530.45MB | 文件类型: ZIP
为深入探究复杂地质条件下时间域电磁信号的响应机制,并推动实测电磁数据的精准解译,我们构建了一套高效的全域三维瞬变电磁正反演框架。该框架充分考虑了电导率的各向异性特征,并支持回线源和电性源等多种激发方式。基于Blender、Tetgen及COMSOL等工具,我们实现了复杂地质模型的构建与非结构四面体网格的离散化处理。通过矢量有限元法和后退欧拉法对电场控制方程进行离散化,并集成了MUMPS和PARDISO直接求解器,实现线性方程组的快速求解与回代计算,从而确保了复杂地质条件下时间域电磁法的高精度正演模拟。在反演方面,我们采用Tikhonov正则化方法,结合L-BFGS优化算法进行模型迭代更新。为进一步提升反演的稳定性与效率,我们还提出了子域分解、自适应正则化因子以及局部更新约束等创新策略。这些方法显著增强了反演过程的鲁棒性,为复杂地质条件下的电磁勘探提供了可靠的理论支持与技术保障。 此软件仅用于学术研究,禁止商业用途。 如资源下载有问题,请联系微信:13753221491

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