Solutions
Optimize vehicle thermal systems using GT-SUITE's multi-fluid solvers to predict pressure drop, flow distribution and performance straight from CAD geometry.
Solution Overview
GT-SUITE is an industry-leading thermal management tool used to analyze pressure drop, flow distribution, and performance. Its robust and powerful solvers easily handle all fluid types, including coolants and refrigerants, in a single model. Powerful 3D tools enable rapid creation of 1D flow networks and underhood airflow directly from CAD geometry.
Thermal management models can be easily integrated with the vehicle and powertrain to optimize energy management.
Application Highlights
Build detailed thermal system models quickly and accurately using advanced simulation capabilities.
GT-SUITE connects your thermal management model directly with vehicle, powertrain, and electrical systems, giving you a full-system view to evaluate energy tradeoffs and optimize efficiency across every operating condition.
Build your thermal model once and carry it from early design through controls development and real-world validation. It supports MiL, SiL, and HiL environments without rebuilding, so all teams work from one consistent model.
Lumped thermal mass and finite element component models linked to 1D flow solvers deliver accurate temperature and pressure results at the speed needed for full drive-cycle and long-transient simulations, without sacrificing physical detail.
Evaluate pumps, heat exchangers, valves, and other components across design variations using integrated Design of Experiments tools. Swap components between cases without rebuilding your model and reach confident, data-driven decisions earlier in the program.
Simulate complete transient drive cycles, including cold starts, thermal soak, and aggressive loads, under real-world conditions. The transient solver handles all fluid types, including coolants and refrigerants, in one model.
Evaluate how heat exchanger geometry, sizing, and stacking affect system-level thermal performance, and predict airflow effects to make confident design decisions earlier in development.
Find answers to common questions about vehicle thermal management simulation
Yes. The thermal fluid solver integrates single and two-phase circuits, including coolant, refrigerant, cabin, and HVAC systems, all within one model environment. That means engineers don’t need to juggle separate tools for different fluid domains, and can instead get a complete, system-level view of thermal behavior from a single consistent model.
Right from the earliest design stages. Tools like GEM3D make it possible to semi-automatically generate 1D flow networks directly from CAD geometry, so you’re not starting from scratch just to get a working model. And the payoff compounds over time: models built during design don’t get discarded later. They carry forward into controls development and validation across MiL, SiL, and HiL environments, so early investment in simulation keeps paying off throughout the program.
No rebuild needed. Models developed for design and system analysis carry over directly into controls development and XiL validation. That continuity cuts down on redundant engineering work, and it means the controls team is validating against the exact same physics based model used earlier in system design, not a simplified stand in.
It’s a well established platform in EV and hybrid thermal development, with published applications spanning battery pack thermal management, e-drive cooling, power electronics thermal management, heat pump systems, and full vehicle energy management. Because all of these subsystems connect within a single vehicle-level model, engineers can evaluate thermal interactions and energy tradeoffs across the entire powertrain, which is increasingly critical as thermal loads and efficiency targets tighten in electrified architectures.
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