This is where you define your components and, more importantly, your Fluid Package (like NRTL, Peng-Robinson, or STEAM-NBS). Choosing the wrong property method is the #1 reason for simulation errors. The Model Palette: This is your toolbox. It contains: Mixers/Splitters
Directly purchasing a license is typically prohibitive for individuals, as costs can range from . Students typically gain access through these methods: aspen plus student version