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[ Polski ][ Deutsch ]AnTherm (Thermal Heat Bridges)

AnTherm (Analysis of Thermal behavior of Building Constructions with Heat Bridges) is a powerful program used for heat flow calculation in building construction elements - the thermal heat bridges and vapor bridges. Thermal Bridge Assessment can be executed easily, quickly and precisely with AnTherm.
This Thermal Heat / Cold Bridge Simulation Software calculates the distribution of temperature, heat streams and vapor diffusion streams within building components of arbitrary form and built as composite of arbitrary materials. Furthermore AnTherm can compute and evaluate the dew point values (condensing humidity) at all component surfaces as well as partial vapor pressure in components interior. This application is also suitable for analyzing dynamic behavior of building components (for periodic, harmonic, transient boundary conditions).

For the technically qualified designer, AnTherm is a reliable, indispensable tool in meeting the demands of the current standards (ISO, EN, ...) for evaluating thermal performance thoroughly and precisely.
The detailed analysis of thermal bridges for passive house planning, energy efficiency assessment or certification need not be complex nor sophisticated today.

  • The thermal heat bridge (cold bridge) can be modeled in 2D or 3D
  • Two and three dimensional stationary (steady state) and transient (harmonic, periodic) heat flow simulation
  • Modeling of multiple space cases and volumetric heat sources (power-, heating sources or sinks)
  • Standard conforming, detailed and fast calculation (validated conform to EN ISO 10211 and EN ISO 10077) - stationary - and transient (harmonic, periodic) EN ISO 13786
  • Coupling coefficient matrix values (Leitwerte L3D or L2D) and precision criteria (Close-Up error)
  • Linear thermal transmittance Ψ
  • all input for point thermal transmittance Χ (chi)
  • Temperature distribution (2D and/or 3D)
  • Interactive definition of arbitrary probe points and slice views
  • dew point on the surfaces of the construction (condensing humidity)
  • Θ*i, g*i,j, f*Rsi:  coldest point of each space Ti*, temperature weighting factor g* and
    temperature factor fRsi*
  • Advanced 3D-visualisation, slice views, exploded views, transparency and many more
  • Meaningful, easily understood 2D- und 3D - result representations
  • Heat Stream followed interactively in 3D (heat flux and heat stream vector field)
  • Saturated Vapor Pressure in components interior (even without the VAPOR-Option ! )
  • Stationary Vapor Diffusion analysis, Partial Pressure distribution (available with VAPOR-Option)
  • Evaluation of Vapor Core Condensation Risk within components interior (available with VAPOR-Option)
  • Vapor Diffusion Stream followed interactively in 3D (available with VAPOR-Option)
  • Visualization with Isolines, streamlines, hedgehog vectors, isosurfaces, isotherms, model slices and many more
  • Enhancement of reports with direct transfer of images (export)
  • Import (data transfer) from various sources
  • Database of materials (material database of DIN, Ö-Norm etc.)
  • Simple control, little learning effort, Promptitude of results
  • Variability of capability variants (2D/3D, discretisation) and options

With AnTherm generated colored representation to visualize heat stream density distribution within building corner consisting of brick masonry and concrete ceiling [explanatory shown pictures show the distribution of heat stream density; areas shown in red emphasize high heat densities]Having deep knowledge of the physically well-founded concept of thermal coupling coefficients and with more then 30 years of experience in development and use of thermal heat bridge applications the AnTherm has established to be very powerful but easy to use program package. The basic fundamentals of developed theory (reference provided within the book "Wärmebrücken / Cold Bridges") have been taken over into the international "thermal heat bridges" standard. Therefore it is an easy task to develop AnTherm conforming to standards and to fully satisfy validation test criteria.

AnTherm is a powerful program package for the calculation of temperature distributions and heat flows in building structures - particularly such with thermal heat bridges (cold bridges). For the technically qualified designer, AnTherm is a reliable, indispensable tool in meeting the demands of the current European standards (EN) for evaluating thermal performance thoroughly and precisely.

Colormap image created with AnTherm to visualize the distribution of heat flow flux at one space surrounded by 8 interrrior spaces at the edge of the building (10-space case) [the exemplary coloured image show the heat flux distribution; regions shown in red emphasize high heat stream densities]Computational capabilities of the thermal bridge software AnTherm include, amongst others:

It shall be emphasized, that Prof. Dr. Krec, one of the fathers of the concept of "thermal conductance coefficients", has not only been continuously involved at the development of AnTherm and took part in decision making and verification of the software, but also stands by, by phone, in case of questions and conversation demand regarding the area of multidimensional thermal transfer and application of Antherm to AnTherm users.


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