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WUFI® is a family of software products that allows realistic calculation of the transient coupled one- and twodimensional heat and moisture transport in walls and other multi-layer building components exposed to natural weather. WUFI® is an acronym for Wärme Und Feuchte Instationär—which, translated, means heat and moisture transiency. WUFI® software uses the latest findings regarding vapor diffusion and moisture transport in building materials. The software has been validated by detailed comparison with measurements obtained in the laboratory and on IBP’s outdoor testing field.

Component simulation and building simulation

The various versions of the WUFI® software family perform coupled heat and moisture calculations under local climate conditions and for materials, multilayer components, and even whole buildings. Through WUFI® simulation of heat and moisture transport, users can, while still in the planning phases, optimize designs and identify risks and problems.

 

Literature

The fundamentals required for practical application of heat and moisture transfer calculations and the application of WUFI® software for building physics investigations are presented in numerous publications by staff at the Fraunhofer Institute for Building Physics (IBP) and by other institutions. The numerous examples of applications that use WUFI®, together with many publications on the topic of hygrothermics, are located here.

 

Instruction manuals and handbooks

This link leads to numerous instruction manuals and handbooks for users who are just starting with WUFI®, as well for advanced users with specific questions.

 

Workshops

The Fraunhofer Institute for Building Physics offers general workshops on WUFI® at regular intervals. There is one workshop for WUFI® beginners and for those with a general interest in WUFI®, and there is another workshop for existing users who want more advanced training. There are separate workshops that focus on WUFI® 2D, WUFI® Plus, and WUFI® Passive. Since WUFI® developers themselves teach the workshops, a high quality experience can be expected.

 


News


    Moisture in buildings – Highly relevant all over the world

    October 12, 2017

    Moisture management in buildings is a trending topic, as moisture related problems not only affect old buildings, but energy efficient new ones as well. In the United States, roughly 50% of all households reported the prevalence of dampness and mold.  European households discovered these same issues, reporting them in about 20% of households.

    The Fraunhofer Institute for Building Physics IBP has conducted research in this field for many years, and is dedicated to solving to these problems by providing software, experience, and solutions to organizations such as ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers). With contributions of Fraunhofer experts, a new chapter on moisture management in buildings was developed for ASHRAE’s Handbook of Fundamentals.

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    The WUFI® team on Twitter

    July 25, 2017

    The WUFI® team now has an official Twitter account. Follow @WUFI_IBP_EN for news, tips and info about WUFI® Pro and WUFI® 2D.

     

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    WUFI® Plus and WUFI® Passive Update

    April 12, 2017

    The new versions WUFI® Plus 3.1.0 and WUFI® Passive 3.0.1 have been released. Please find an overview of alterations and setup instructions in the update overview.

    Free-of-charge updates are listed on the WUFI® online shop in the section „my orders“. The displayed link allows you to download the respective latest version which can be updated to for free.

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    Release of WUFI® 6.1

    March 31, 2017

    WUFI® Pro is now available in version 6.1.

    Users of WUFI® Pro 6.0 can download the update free of charge. You can use the link you received with your purchase of WUFI® Pro 6.0 and you also will see it in your account at our online shop in the "My Orders" menu. When buying a new license of WUFI® Pro, you will directly receive the latest version WUFI® Pro 6.1.

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    New add-ons and post processors for WUFI®

    March 31, 2017

    For an extended evaluation in WUFI®, the two new post processing modules WUFI® Corr and WUFI® Mould Index VTT are published together with WUFI 6.1. Further the add-on program "Lokalklimagenerator" allows the adaptation of the new German Hygrothermal Reference Years to differing local conditions.

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Last Update: November 16, 2017 at 14:52