idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
idw - Informationsdienst
Wissenschaft
The Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM in Dresden has expanded its simulation facilities at the site in order to be able to investi-gate flow and energy processes in materials even better.
In particular, the new competencies will also enable the investigation of systems and networks and the prediction of phase change materials (PCM) and their behavior and effects in components. For example, the open source tool OpenFOAM, which is used for flow simulations, is new in the portfolio. The software offers scientists significantly more possibilities for model development and implementation.
COMSOL Multiphysics software also provides new options. It is used for structural me-chanical calculations by determining the stress distribution in solids under a defined me-chanical load. In addition, COMSOL Multiphysics can now also be used for the design of thermal systems with phase change materials, such as those found in heat sto-rage sys-tems. This ideally complements the investigations of coupled flow and energy transport processes as an existing application area of the software at the Fraunhofer IFAM Dres-den.
In addition, researchers have recently been able to use the open source tool OpenMod-elica to calculate systems from spatially zero and one-dimensional components. Howev-er, the simulation technology has not only been expanded for the own research. Thanks to the COMSOL Application Builder extension, customer-specific programs that are used directly by the client can now also be developed.
With the help of the new in-house solutions, data from imaging processes (microstruc-ture tomography) can be converted into computable 3D models, both voxel-based and smoothed, and exported as STL files. Thus, flow and energy transport processes in mi-crostructures can be calculated in more detail than before.
The new software extends the already existing software portfolio for the calculation of velocity and pressure distribution in flows (Computational Fluid Dynamics, CFD), station-ary and unsteady temperature fields of solids (Heat Transfer) and the consideration of non-isothermal flows (Conjugate Heat Transfer, CHT) in an ideal way.
The modeling, numerical calculation and simulation of fluidic and energy-related pro-cesses in components and systems is used in the Energy and Thermal Management department of Fraunhofer IFAM Dresden for a variety of applications.
For example, for clarifying detailed questions in flow and energy systems, such as recal-culation and analysis as well as prediction and estimation of parameters. Customer-specific test rigs can also be developed and designed. In addition, the scientists conduct research on the thermal and geometric optimization of components and perform strength analyses of thermally and mechanically stressed components.
Dr.-Ing. André Schlott
http://www.ifam.fraunhofer.etm
Pressure distribution in a flow-through 3D microstructure
Fraunhofer IFAM Dresden
Reconstructed 3D model of a fiber cavity structure
Fraunhofer IFAM Dresden
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