Bauklimatik-Dresden DELPHINCONDTHERAKLESNANDRADMASTERSIM TrainingDownloads Impressum Deutsch
Bauklimatik Dresden
Software for Building Science

Software for Research and Practitioners

The Institute for Building Climatology at Dresden University of Technology (Faculty of Architecture) investigates the theoretical basis of combined heat, moisture, air, and salt transport in building materials, and also researches other areas of building science. An important goal of our research work is the dissemination of new knowledge to other research institutes, and practitioners. Therefore, we continuously integrate new findings in our user friendly software and calculation tools.

Our software programs shall help other research institutes in their work, assist students in learning fundamentals of builing physics, and support the work of civil engineers, architects, and others working in the field.

The longterm experience in the area of combined heat, moisture, and salt transport processes also benefits expertises and research reports. For instance, our software can be used during the planning phase to estimate the condensation risk of a construction under various environmental conditions, or to investigate the impact of thermal bridges. The software can be used to determine the causes of damage to constructions or materials, or to test new materials for potential application areas and limits and help optimize materials accordingly.



03/08/2017 - New THERAKLES and CCM-Editor versions available

New software versions of THERAKLES and the CCM-Editor are available (see changelog for details).

01/12/2017 - New THERAKLES version available

A new software version of THERAKLES is available (see changelog for details).

07/26/2016 - New THERAKLES and NANDRAD Webpages

The webpages for THERAKLES and NANDRAD have been updated and are currently being extended with new content. For boths simulation programs new versions are available.

01/26/2016 - New COND Version - 2.1.6

Contains small bug fixes and new climate default for new projects (DIN 4108-2 2014).

01/05/2016 - New COND Version - 2.1.5

The latest update for the Windows version of COND contains only minor changes: A fix for changing of condensation and evaporation time and a further update of the material database.

09/17/2015 - New COND Version - 2.1.4

The newest version of COND 2.1.4 contains the following changes: The assesment of the construction can be done according DIN 4108-3 from 2001, DIN 4108-3 from 2014 or user defined (boundary conditions and time). It is possible to set a drying reserve according DIN 68800-2. The limit for non capillar conductive material is changed according DIN 4108-3 from 2014 to 0,5kg/m2h0.5. In material list time for production, measurement and/or sampling is added (if known). You can find detailed information on Download-Site in changelog.

08/12/2015 - New DELPHIN Version - 5.8.3

A new DELPHIN Version is available. The version 5.8.3 contains many changes compared to the old version.
  • new revised material selection dialog with easier selection and more informations
  • new dialogs with better display and evaluation of material properties
  • many new materials (currently around 350) with extended material data format
  • climate generator for indoor climate according DIN EN 13788
  • climate data for test reference year 2011 Germany (without rain)
  • possibility for creating of project packages in order to simplify the transmission of complete projects (including climate and material data)
  • documentation update
  • many bugfixes
Details about the validation setup and results can be found in the validation/benchmarks section.

03/23/2015 - New COND Version - 2.0.8

The newest version of COND 2.0.8 contains an advanced check in calculation for nonvalid results. It includes as well a new activation mechanism which creates a advanced hardware check for more robust activation checking. The check allows also to work with old activation codes. Some further changes has been implemented for test according DIN 4108-3. The check for 1kg/m2 for normal materials and for 0.5kg/m2 for non capillary materials was interchanged. At least a new import and export of user material database was added (for current version and version 1.9). For more detailled Informationen please read the changelog under Download.

10/10/2014 - New COND Version - 2.0.6

A new COND version is available from now. Beside bug fixes in calculation algorithm version 2.0.6 includes improved layout for air layer direction as well as an update of Mac version.

09/04/2014 - New DELPHIN Version - 5.6.9

A new DELPHIN version is available. In this last version of the 5.6 series, the validation examples were added to the provided example simulation projects. These test cases can be viewed and tested to check compliance of the DELPHIN simulation tool with all currently available validation test cases for hygrothermal simulations. Details about the validation setup and results can be found in the validation/benchmarks section.

Soon, the new DELPHIN 5.8 series will be available, with many new features and much enlarged material database.

12/08/2013 - COND 2 available

The new, completely renewed COND version is available. COND 2 has a much larger material database, an extended calculation algorithm and more details in the report.

06/01/2013 - New THERAKLES Version - 2.0.11

A new THERAKLES version with slightly modified user interface and tweaked solver parameters is available.

03/06/2013 - THERAKLES webpage updated

The THERAKLES webpage was updated, the tutorial and manual were uploaded and the new program version 2.0.10 is available for download.

07/02/2012 - New DELPHIN Version - 5.6.8

A new DELPHIN version is available (Download page), Changelog lists all changes/improvements. This is the last update of the 5.6.x series, before the upcoming new version 5.8.

05/04/2012 - Post-Processing Tutorial added

A DELPHIN tutorial was added describing the core functionality of the Post-Processing component (see DELPHIN-Documentation).
Note: Under Windows 7 fonts are scaled to 125% by default. This may cause some pages in the Post-Processing to be displayed incorrectly/incomplete. For correct functionality please set the font size option to 100% in the Windows 7 display settings.

07/26/2011 - New DELPHIN Version - 5.6.7

We have a new DELPHIN version, with fewer bugs and more features, see ChangeLog on Downloads page.

01/27/2010 - DELPHIN Tutorials updated

The DELPHIN Tutorials have been updated and the tutorial #2 has been added.

08/05/2009 - New Material Generator Release - 1.2

A new version of the DELPHIN Material Generator tool is available. It allows creation of material files including both vapor and liquid water transport characteristics. It is also the first program version to be distributed as multi-lingual tool.

02/26/2009 - New DELPHIN Version - 5.6.5

We have a new DELPHIN version, with fewer bugs and more features.

02/20/2009 - CXT Sim-Fit

The program for fitting parameters of tracer experiments and filter models is now available on the webpage. It is our first cross-platform Qt-based calculation tool.

11/24/2008 - German DELPHIN Release

There is now also a german version of DELPHIN available. It can be used alternatively to the english version with the same license keys.

9/5/2008 - New DELPHIN Release - 5.6.4

Many new features and some bug fixes = new DELPHIN version.

8/13/2008 - New DELPHIN Release - 5.6.3

A new DELPHIN update with several smaller improvements is available on the download page.

8/6/2008 - New COND Release - 1.8.1

A new COND update is available on the download page. With this new version the windows patch for the user32.dll problem is no longer necessary.

8/5/2008 - New DELPHIN Release - 5.6.2

A new DELPHIN update is available on the download page. A new external solver is included to avoid compatibility issues with modern quad-core processors. Also, with the new version the windows patch for the user32.dll problem is no longer necessary.

7/25/2008 - New Post-Processing Update - 1.1.6

A new update for the internal DELPHIN post-processing tool is available on the download page.

7/1/2008 - Launch of new Webpage

The new Bauklimatik-Dresden Webpage is now online.


Available Calculation Tools

Our software is designed and implemented such, that a very short learning phase should suffice and results can be obtained quickly. The programs COND and DELPHIN cover simulation-based analysis and optimization of constructions, assemblies of building materials, and construction details. The focus of the hygrothermal room model THERAKLES lies on simulating thermal comfort in summer for checking code-compliance, as well as annual building energy simulation.

COND is a software for the hygrothermal evaluation of building envelope constructions, which uses an analytical calculation method that considers the redistribution of internal condensate.

DELPHIN is a comprehensive numerical simulation tool for the combined heat, air, moisture, and matter (e.g. salt) transport in porous building materials.

THERAKLES is an easy-to-use simulation tool for predicting thermal comfort in summer and winter, and energy gains and losses for room spaces. It is a physically detailed model and has a powerful numeric solver engine for efficient calculation.

NANDRAD is a building energy performance simulation, specialized on large massive buildings with many zones and detailed construction models (walls, floors, ceilings, ...).

MASTERSIM is a simulation master for coupled simulation of models encapsulated in Functional Mockup Units (FMU), and a program library with FMU import and simulation functionality.



Downloadable content (programs, documentation, tutorials, additional data) can be found in the download directory (also accessible from the top menu).


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