Application Examples In the following, selected examples from our project portfolio are shown. They have all been created using customized open-source CFD software with the focus on getting reliable and trustworthy results at a low cost.
We conduct basic performance analysis and design of turbomachinery using state-of-the-art CFD methods. The entire analysis workflow is fully automated in the Insight CAE framework using only open-source software. This enables very short turnaround times and easy integration into automatic optimization frameworks.
Cavitation is limiting phenomenon for turbomachinery operating in liquids. For prediction of cavitation onset and its impact on machine performance, numerical CFD simulation is the most sophisticated option.
After determination of a propeller open water curve using CFD or any other computational method, further analysis, e.g. propulsion analysis, is required to predict the propulsor performance for a given vessel. We have created analysis software solutions for a seamless integration in the design process, relying solely on open-source software.
For flexible propellers, e.g. with blades made from carbon fiber reinforced plastics, the elastics deformation needs to be taken into account during design. We have created a toolchain to perform the necessary fluid-structure interaction (FSI) computations using OpenFOAM and Code_Aster.
Using our Insight CAE analysis automation framework, we provide a fully automated ship resistance computation using only open source CFD software. This not only avoids any expenses for software licenses but also enables users with little special knowledge to conduct the rather complicated CFD analyses, thanks to the automation.
Investigation of surfaces structures in heat exchanger devices to increase thermo-hydraulic performance. Evaluation of vortex structures and its impact on local and integral heat transfer rates. Application of enhanced meshing tools to ensure high mesh resolution including optimal layer cells in near wall regions.
Using simulation methods, the design of compact heat exchangers for different flow regimes. Generic optimization of inflow/outflow conditions or detailed modification of surfaces structures are performed to set up cost efficient solutions. Trustable determination of temperature ranges.
Application of porous media for simulation of turbulent flow including heat transfer through complex geometries. Analysis of flow distribution and integral heat tranfer rates allow design changes with a minimal effort to enhance thermo-hydraulic efficiency.
Simulation of fouling processes on structured heat transfer surfaces using particle tracking methods. Determination of fouling probability and depostion rates and its impact on thermal resistance as well friction loss in complex geometries. Efficiency analysis and fouling probability determination.
Simulation of comfort stages of the human in different environments like car cabin, halls or airplane cabins using direct coupling of CFD and active and passive human thermoregulation systems including moisture transport. Realistc temperature distribution allow the evaluation of local comfort enhancement.
Flow simulation including heat transfer (convection, conduction and radiation) for internal cabins and rooms. Design energy saving devices using applied thermodynamics. Numerical methods in combination with human comfort modeling are tested in a single car cabin to define high performance climatization.
Using 3D numerical methods for heat conduction analysis. Verify temperature distribution inside materials to prevent damage or enhance isolation system. Application of methods to analyze 3D temperature distribution inside car seats.
Complex thermal analysis of combustion engines including coupled heat transfer for evaluation of cooling performance. Virtual studies of different cooling design to ensure maximum temperature levels.
In the following, selected general fluid dynamics cases from our portfolio are shown. They have all been created using customized open source CFD software with the focus on getting reliable and trustworthy results at a low cost.
Investigation of carbon-dioxid concentration of a block-type thermal power station inside a closed container. Temporal distribution of velocity, temperature and carbon-dioxid to prevent infringement and power loss. Design of climatization and container arrangement to ensure optimal work performance.
Determination of optimal wing design of small wind turbine for decentralized power station. Easy manufacturing, easy design. Optimal performance ratio found from numerical simulation and experiments.
Using different particle sizes its erosion effects can be modeled using LPT and Euler methods. Changing of geometry design the erosion effects can be minimized.
Determination of sloshing effects p. ex. forces and moments inside full loaded tanks. Transient simulations of fluid flow in combination with the counter part moment leads to detail dynamics analysis. Using automatization of InSightCAE design variaton could be easily performed to find an optimal tank design.
We have built up a lot of experience in using the finite element (FEM) code Code_Aster for e.g. static and transient analyses using volumes, beams or shells, contact problems, bolted joints, eigenfrequency analyses.
In case you are interested in learning to use Code_Aster, we are also prepared to organize user trainings.
Similar to bolted joints, glued joints can be included in FEM models as well. We have adopted a modelling technique that also allows a reasonably detailed evaluation of the stresses inside the glue layer.
Propeller blades from carbon fiber-reinforced plastics are massive composite structures with a large thickness. We have developed solutions for efficient meshing and creation of FEM models needed for fluid-structure interaction simulations of these propellers, as well as adapted formulations of the laminate failure criterions for strength assessment.
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