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Quality Digest


Siemens Releases Simcenter Software

Expands simulations for electrification and aerospace design

Published: Monday, February 20, 2023 - 12:00

(Siemens: Plano, TX) -- Digital Industries Software announces its latest release of Simcenter software for mechanical simulation helps streamline electrification engineering projects, assists new aircraft meet margins of safety, simplifies durability testing across many industries and much more.

“Addressing complex engineering challenges, such as developing products that are more powerful, yet greener, lighter yet stronger requires a fully-integrated CAE solution,” says Jean-Claude Ercolanelli, senior vice president, simulation and test solutions, Siemens Digital Industries Software. “The latest release of Simcenter offers a host of powerful enhancements to help engineers meet those challenges efficiently and significantly faster than ever before, whether that is getting tire contact simulations solved 45 percent quicker or reducing airframe structure preprocessing by up to 80 percent.”

The highlights in this release are applicable across all industries and workflows and bring new functionality to the Simcenter family of products. Highlights include:

For those exploring additive manufacturing (AM), build process simulation is a must, particularly when dealing with metals-based powder-bed fusion production methods. The complex nature of these processes usually requires the AM engineer to collaborate with an experienced CAE expert. The latest release of Siemens’ Simcenter 3D software introduces a simplified application for simulation of the powder-bed fusion (PBF) build process that is easy to use for engineers without in-depth CAE expertise. Using a robust voxel-based mesh in the background, it can quickly model and simulate the PBF build process, allowing engineers to gain a good understanding whether a part will build successfully. More detailed analysis can then be performed by CAE experts also using Simcenter 3D, thus enhancing collaboration.

Following on from the introduction of the ability to launch simulations on remote HPC systems directly from within Simcenter 3D, engineers now have the ability to review simulation results directly from the Remote Simulation interface. This helps engineers determine if simulation studies ran correctly before transferring large results files back to a local workstation for in-depth evaluation.

It is now possible to model rigid surfaces and porous materials in a free-field simulation. This means that seats and other absorbing surfaces can be modeled as heavy air or a real porous material, while the rest of the cabin is modeled with regular air fluid elements.

Electrification is a major trend across the Automotive industry and development of new Electric Vehicle (EV) powertrains tend to be broken into silos for e-motor design, transmission analysis, NVH and acoustics. Simcenter mechanical simulation tools can help automakers break these silos by helping critical load, design and model information to flow easily between each of these disciplines for EV powertrain development. Beyond EV development, additional new capabilities in this release improve simulation of other automotive applications from NVH, to tires, to windshield wiper performance.

The new contact pattern display in Simcenter 3D helps analyze wiper contact patterns. By modeling the wiper as a flexible body combined with contact elements, the new contact pattern display will show easy to interpret results of the wiper forces across the windshield, allowing the user to learn how consistently or inconsistently the forces are distributed and if the wiper design is working as expected, without the need for costly and time-consuming physical testing.

Finally, the latest release of Siemens’ Simcenter tire software has an updated road contact algorithm to reduce the large amount of road data exchange required to build the high-fidelity tire models required for driving simulators and hardware-in-the-loop setups. This means that computational performance is increased by up to 45 percent, enabling the use of high-fidelity tire models in real-time applications.

The stiffness of thin structural panels in airframe structures can change depending on whether the panels are in compression or tension. The new Tension Only Quad element can convert the shells into shear panels if panels go into compression.

For the aerospace industry, new capabilities reduce the number of models needed to simulate the behavior of thin aircraft skins and perform margin of safety calculations more quickly than ever before. In addition to the new improved airframe applications, Simcenter can help engineers better understand rocket launch dynamics by simulating the liquid sloshing in fuel tanks. Highlights include:

New standard calculation templates have been added to the margin of safety analysis tools within Simcenter 3D. These new templates automatically prefill all the inputs based on a set of rules so the engineer just needs to select the geometry to apply calculation to—removing the traditional reliance of custom script development and the associated maintenance costs.

A new capability in Simcenter Nastran software helps airframe engineers with thin-skinned airframe structures that have different stiffness behavior depending on the load case; tension (membrane) vs. compression (shear). Today, engineers typically create multiple models and properties to account for all the different loading conditions. The new tension-only-quad will change from membrane behavior to shear behavior automatically so only a single model is needed to represent an airframe structure—reducing simulation preprocessing time by up to 80 percent.

While not isolated to aerospace and rocket applications, liquid fuel sloshing dynamics in storage tanks can pose a challenge to guidance systems. In this latest release of Simcenter Nastran, the new incompressible fluid model helps to predict slosh frequencies and hydro-elastic modes. In other industries, it can also be used for evaluating sloshing in cargo, ballast or fuel tanks of large ships, automotive vehicles, rail cars, and much more.

Engineers can now simulate the complex multidisciplinary magnetostriction effects that cause transformer noise. In addition, you can use these forces directly for noise and vibration assessment without leaving Simcenter 3D.

Simcenter 3D overcomes the need for separate toolsets and knowledge for proper durability by streamlining and automating strength analysis. Simcenter 3D can automatically calculate the parameters needed to adhere to the industry standard FKM guidelines. This means engineers can conduct durability analysis directly from their stress analysis results, to ultimately help machines meet operation requirements.

Industrial power transformers need to meet strict noise emission standards and qualify the EMAG-Acoustics models for transformer development. Simcenter 3D can now simulate the complex multi-disciplinary magnetostriction effects that cause transformer noise very quickly and accurately. Additionally, the forces calculated can be used both for noise and vibration assessment allowing electromagnetics and acoustic performance simulation within a single environment.

Learn more about the latest updates to Simcenter mechanical solutions and discover how the latest simulation enhancements can help streamline workflows and bring greater insight into products performance, by watching this video or by visiting https://blogs.sw.siemens.com/simcenter/simcenter-mechanical-simulation-2212.


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