Frame Simulator, together with Frame Composer, makes windows transmittance computation (applying EN ISO 10077-1 and 10077-2) an extremely easy process. With few and simple steps you will be able to apply finite elements method without the need to know anything about the theory behind it. Frame Simulator is available in English and Italian languages for Windows and MacOSX operating systems.
Do you want to try Frame Simulator?
Frame Simulator Viewer is completely free; you can open and explore any project created with Frame Simulator: