The fastest coupled solver in the CFD market, according to multiple customers.
The coupled solver technology in ELEMENTS has been extensively tested and validated for automotive applications, with proven significant improvements in convergence speed and stability.
what ELEMENTS-Coupled can do for you
Unlock the performance of your CFD vehicle design applications with ELEMENTS-Coupled.
BENEFITS
ELEMENTS-Coupled: the best choice to boost performance of your CFD applications.
ELEMENTS-Coupled offers a fully implicit, pressure-based, block-coupled solver for all incompressible and compressible flows, delivering convergence speeds up to 10 times faster than standard segregated solvers.
For companies running hundreds of CFD simulations annually on HPC hardware, boosting performance by 2-5x can significantly reduce computing costs.
COUPLED VS. CONVENTIONAL SOLVERS
Boost performance with equal accuracy.
Extensive validation
The coupled solver technology has been thoroughly tested for automotive applications. The block-coupled approach offers significant benefits over conventional solvers in terms of convergence speed and robustness, while maintaining accuracy.
ELEMENTS-COUPLED FAQ
Frequently Asked Questions about ELEMENTS-Coupled.
What are the benefits of continuous over discrete adjoint formulation?
- Lower Memory Consumption: Continuous adjoint formulation requires significantly less memory compared to the discrete approach. This makes it more feasible for large-scale engineering problems.
- Flexibility: Continuous adjoint methods are derived from the continuous governing equations, providing greater flexibility to adapt to various mesh types and flow regimes.
- Handling of Complex Physics: The continuous approach can better accommodate complex physical phenomena and boundary conditions due to its derivation from the original continuous equations.
Overall, the continuous adjoint formulation is better suited for practical engineering applications, offering a balance of flexibility, efficiency, and lower memory consumption.
As a customer, can I access ELEMENTS-Coupled source code?
Yes, all our ELEMENTS-Coupled customers have full access to it’s source code.
Does ELEMENTS-Coupled only solve simpler cases, like other software?
No. ELEMENTS-Coupled was specifically designed using the continuous adjoint formulation to address real-world engineering challenges effectively. Our continuous adjoint approach ensures lower memory consumption, making it feasible to handle large-scale problems efficiently. Over the past 10 years, our customers have successfully used HELYX-Adjoint to run cases with more than 200 million cells, demonstrating its robustness and reliability for complex engineering applications.
Can I combine objective functions that yields opposite results (e.g. lift and drag)?
Yes, you can combine multiple objective functions in ELEMENTS-Coupled and assign different weights to each one. The adjoint solver will then find the best approximate optimal solution that satisfies the combined objective functions. This flexibility allows you to tailor the optimization process to meet specific engineering requirements and achieve balanced results.
References
De Villiers, E. et.al. “Adjoint Optimisation for Vehicle External Aerodynamics”. JSAE 2015.
Othmer, C. “The Adjoint Method Hits the Road: Applications in Car Aerodynamics”. Stanford University 2014.
Othmer, C. “Adjoint Methods for Cars Aerodynamics”. Journal of Mathematics in Industry 2014.
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