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  2. ESP-r - Wikipedia

    en.wikipedia.org/wiki/ESP-r

    ESP-r main menu and an exemplar model. ESP-r is a research-oriented open-source building performance simulation software. [1] [2] [3] ESP-r can model heat flow in thermal zones, fluid flow using networks or CFD, electrical power flow, moisture flow, contaminant flow, hygrothermal and fluid flow in HVAC systems, as well as visual and acoustic performance aspects within a modeled energy system ...

  3. FreeCAD - Wikipedia

    en.wikipedia.org/wiki/FreeCAD

    FreeCAD is a general-purpose parametric 3D computer-aided design (CAD) modeler and a building information modeling (BIM) software application with finite element method (FEM) support. [4] It is intended for mechanical engineering product design but also expands to a wider range of uses around engineering, such as architecture or electrical ...

  4. List of free electronics circuit simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_free_electronics...

    List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.

  5. Wrightsoft - Wikipedia

    en.wikipedia.org/wiki/Wrightsoft

    As the original technical software partner of ACCA, [3] Wrightsoft Corp became the first HVAC software company to create a computerized version of their Manual J, Manual D, and Manual N calculation methods. The Air Conditioning Contractors of America and Wrightsoft released the very first Manual J Load calculation software (Right-J) in February ...

  6. MPDS4 - Wikipedia

    en.wikipedia.org/wiki/MPDS4

    MPDS4 ELECTRICAL DESIGN is a design module for routing or connecting electrical systems with components throughout a plant, ship, or factory. The user extensible and customizable catalogs contain many different types of electrical and control systems , as well as cable trays , cable ducts and links, and other supporting components.

  7. List of free and open-source software packages - Wikipedia

    en.wikipedia.org/wiki/List_of_free_and_open...

    This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software ; the GNU project in particular objects to their works being referred to as open-source . [ 1 ]

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