Geostudio is biased towards geotechnical engineering, which contains many small softwares with different functions, such as SLOPE/W and SIGMA/W, all of which are heavyweight softwares in geotechnical engineering.

Abaqus is a large-scale finite element software, which has strong nonlinear finite element and tends to complex large-scale calculation.

They each have their own strengths, depending on what you want to do. Is the article you want to post an idea or a train of thought? Software is just a tool to realize it. If the software is nothing, you can send articles, but you can't send good articles.