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GPU ACCELERATED RADIATIVE VIEW FACTOR CALCULATIONS: IN HEADLAMP DESIGN & THERMAL
ANALYSIS


Thermal analysis is a key step in the overall design process of headlamps and
related engineering applications for ensuring product safety and longevity. An
efficient understanding of the thermal physics in these applications is crucial
to analysts and designers. The role of simulation in headlamp design is a
fundamental part of this process. The time spent on thermal analysis (speed) of
a design has a significant impact on the engineering of headlamps and the entire
design process. A significant bottleneck in the cycle is the computationally
costly calculation of radiative view factors, which dictate the radiative
conductances in headlamp thermal physics.

Maya HTT has worked closely with Stanley Electric to introduce and validate a
new technological approach to simulate contributions of radiation to the thermal
physics of headlamp design and analysis. The improved methods promise to
drastically improve the time taken from design to product in headlamp
engineering. Historically a number of approaches have been used to tackle this
problem; however, existing methods tend to not yield the performance and
scalability required for optimally efficient thermal analysis.

In light of this, Maya HTT will present a massively parallel computational tool
for radiative view factor calculations implemented on the GPU. We will begin by
illustrating the existing technology and its pitfalls, followed by a case study
on the GPU approach conducted in close collaboration with Stanley Electric’s
engineering team. We will show that this implementation is orders of magnitude
faster than existing CPU based methods run in distributed parallel environments,
and thus, set a new bar for radiation calculations in headlamp analysis. This
new GPU-based computing technology has allowed engineers at Stanley Electric to
better leverage existing compute resources, allowing larger throughput of
simulations and better turnaround times on design iterations.

Feel free to reach out to our team anytime. We look forward to discussing your
challenges and helping you explore solutions. Simply fill out our Contact Us
form (https://www.mayahtt.com/about-maya-htt/contact/) and one of our
specialists will be in touch.

Our virtual presentations are now all available on demand here:
• GPU accelerated radiative view factor calculations: applications in headlamp
design & thermal analysis:
https://videos.mayahtt.com/watch/wBdfMvtUB7i7jeBEh5grRh?
• How IVI uses Simcenter and MBD to Speed Up the Electrification of Their
Partners' Vehicles: https://videos.mayahtt.com/watch/S2ZM7pgnfDDDDrvheF1D9M?
• Why BRP used HEEDS in their last market invasion:
https://videos.mayahtt.com/watch/RY4sHeoEp5GDQEYLkKqpng?
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