Simcenter STAR-CCM+ 2406 Released

With the release of Simcenter STAR-CCM+ 2406 from Siemens Digital Industries Software, engineers across industries have computational fluid dynamics (CFD) capabilities to go faster while modeling the complexity of new products. Leverage new features to explore engineering possibilities.

Model Complexities

The new release of Simcenter STAR-CCM+ 2406 introduces capabilities to put Mixture Multiphase with Large-Scale Interfaces MMP-LSI into the center of hybrid multiphase modeling.The new version supports the transition of small Lagrangian droplets to MMP. This enables a more efficient treatment of small droplets—typically 10s of microns in size, carried with continuous flow—where LMP is not an efficient model. On top, S-Gamma for MMP-LSI allows for the accurate transport and prediction of droplet or bubble size distributions in MMP phases coming from LMP (and other sources). Lastly, LMP Impingement into MMP-LSI Free Surfaces enables you to simulate scenarios where LMP droplets pass into regions of high-volume fraction of corresponding continuous phase.

These new capabilities allow ability to cover applications including mixtures, leveraging the most efficient multiphase model to be used locally while transitions between the most adequate models will be handled automatically. This enables ability to simulate resolved free surfaces, ballistic droplets, films, and mixtures in a single simulation. The result is accurate predictions of droplet sizes and phase transport.

Particle Agglomeration Modeling

With the new release of Simcenter STAR-CCM+ 2406, the Particle Agglomeration model, which replaces the Parallel bonds model, facilitates bond formation based on user-defined local and temporal conditions. This model allows bonds between particles and boundaries and includes bond stiffness independent of mechanical properties. These enhancements enable ability to simulate more realistic particle agglomeration processes in various industrial applications.

Contact Modeling

The new release of Simcenter STAR-CCM+ 2406 includes the Augmented Lagrangian Multiplier method (ALM), based on the Uzawa algorithm, which mitigates this by enforcing accurate contact independent of the penalty parameter. It has an optional automatic update of the penalty parameter for faster convergence. 

Faster Design Exploration Studies

The new release of Simcenter STAR-CCM+ 2406 automatically initializes simulations of a new design closer to expected results, leveraging existing results from the previously simulated nearest neighbor in the design space. The solution takes the calculation result of the solution that is assumed to be the closest. This approach speeds up individual design simulations and reduces the overall design exploration study turnaround time. It should be noted that in cases where the design space and the solution space are correlated in a non-linear way, the time saved may be negligible. For monitoring and understanding purposes, you can easily identify reused designs and designs reusing results with specific Design Sets. The workflow is streamlined with no manual operation required, and this feature is available for Sweep, Design Of Experiment, and Optimization studies.

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Sources: Press materials received from the company and additional information gleaned from the company’s website.

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