For years, forums have circulated older versions of the software (sometimes referred to as "Lotus Engineering Software" versions from the mid-2000s). While these older builds occasionally leak to the public, they are generally:
Follow the hashtag #LotusEngineSimulation on LinkedIn. Engineers often share free training PDFs and model examples that work with the student version. lotus engine simulation software free download
If your focus is less on gas dynamics (pipes/ports) and more on thermodynamic cycles, DWSIM is an excellent open-source chemical process simulator. For years, forums have circulated older versions of