Since "engmod2t" appears to be a typo or a shortened name, I have identified two likely possibilities for what you are looking for. Most users searching for this term are actually looking for (a game engine modification) or EngMod (engineering/structural calculation software).
Some small-scale developers of Engmod2T (or its clones) offer "community editions" if you request them for research purposes. Search LinkedIn or academic papers citing "Engmod2T" and reach out politely. engmod2t free download
However, there are legitimate ways to evaluate the software: Since "engmod2t" appears to be a typo or