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Simulation software offers system-level modeling

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By Rich Pell


Digital reality solutions provider Hexagon has introduced new simulation software that helps engineering teams understand the behavior of systems that are becoming increasingly complex in modern products. Elements multi-physics system integration and simulation software is designed to enable users to evaluate the performance and feasibility of new design concepts quickly to inform more efficient product development and reduce risk and cost.

Elements addresses the growing importance of integrated, multi-disciplinary system development and end-to-end workflows, says the company. Customers in every industry are demanding technologies that consider many physics domains and tackle mechatronics challenges in a robust way, fueling a growing trend towards system-level engineering. Achieving this requires the integration of all relevant engineering disciplines, control systems, and third-party supplier systems to understand how the domains interact, and how a design decision in one discipline impacts others.

Systems engineers can use the Elements software, using its drag-and-drop environment, to model any physics type or logic and analyze systems by intuitively connecting blocks – regardless of whether they represent electrical, hydraulic, mechanical components – to solve system-level engineering problems. It is based on the Modelica language, which is an open and widely used standard for building fast, flexible, and customizable models.

Systems modeling is indispensable in the early design phases because little information is required – often a CAD model, equation, or lookup table is sufficient and a 3D mesh is not required. Elements further speeds up engineering development because it also ensures that system-level models compute quickly and efficiently by optimizing equations and code for fast calculation, but with no loss of fidelity.

As the design develops, and components and subsystems are detailed in specialist simulation software, the components can be routinely integrated into a larger system through full compliance with the FMI standard and Hexagon’s proprietary SmartFMU technology. SmartFMU unlocks the Functional Mock-up Unit (FMU) for supported Hexagon products so that changes can be made directly in the Elements system-level model without having to go back to the specialist Computer Aided Engineering (CAE) software and its expert user. This helps to avoid resource bottlenecks, time-consuming switching between applications, and versioning problems.

At launch, the software provides SmartFMU connectivity with Adams multibody dynamics software and Easy5. Future plans are likely to include workflows with Cradle CFD thermal-fluid dynamics and Actran acoustic simulation products, among others.

Both standard FMI support and the SmartFMU plug-and-play capabilities offer immediate value and address challenges of system complexity, says the company, including those for transportation electrification, for example including:

  • Helping automotive engineers to find optimal solutions to vehicle range optimization issues by considering a vehicle’s energy use under different driving conditions, taking into account eDrive design, regenerative braking, climate control, ADAS safety requirements, and battery choice.
  • Improving the flexibility and accuracy of industrial robotics by designing control systems that take detailed mechanical system vibrations and interactions from multi-body dynamics simulation into account.
  • Right-sizing heavy battery systems in new eVTOL aircraft designs by helping engineers understand the power draw during take-off and landing, safety margins, and thermal management system controls.
  • Implementing safer, more sustainable long-life battery systems by using Elements to design control systems that balance the improved performance of lithium-ion batteries at elevated temperatures with the impact heating has on cell degradation.

Elements was developed in close cooperation with Maplesoft, building upon its powerful maths engine to optimize system equations and deliver fast efficient simulation to Hexagon’s customers.

“Elements offers engineers an easy way to explore behavior of systems quickly and find better solutions to problems using simulation, before committing designs to subsequent resource-intensive engineering processes,” says Mahesh Kailasam, General Manager for Design and Engineering Software at Hexagon. “We look forward to a long-term collaboration with Maplesoft, using its powerful and open technology foundations to realize synergies with our extensive Hexagon CAE ecosystem portfolio and deliver valuable capabilities to our customers.”

Hexagon


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