We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.
Guilin Sun
Ansys Employee

一般建议PML穿透基底是为了减少PML可能的反射。如果基底断在PML层内可能反射较大,也不是特别大的问题。不过这个对你并没有什么好处,所以建议基底要延申到PML之外。