PowerFLOW:
Lattice Boltzmann CFD
PowerFLOW is the computational fluid dynamics software from Dassault Systèmes SIMULIA, designed for accurate simulation of transient, real-world aerodynamics, thermal effects, and noise. It uses the Lattice-Boltzmann method to capture unsteady flow phenomena with high fidelity and efficiency.
Main Capabilities
Fast, automated setup with intuitive interface and automated fluid grid generation
Simulation of true rotating geometries (e.g., wheels, brakes, fans, HVAC)
Coupled fluid, thermal, and acoustic simulations (PowerTHERM and PowerACOUSTICS integration)
Digital wind tunnel capabilities with moving ground and boundary layer suction modeling
Integrated design analysis with PowerVIZ and automated reporting via PowerINSIGHT
Rapid simulation turnaround using reusable surface mesh models
GPU-accelerated high-performance computing for faster results


PowerACOUSTICS
Acoustic Analysis Tools
PowerFLOW coupled with PowerACOUSTICS modules gives access to digital acoustic and aeroacoustic facilities which are cost-effective. This solution provides enhanced capabilities through detailed visual insight into how design details and changes impact the noise levels and quality.
PowerACOUSTICS Capabilities
Time and frequency domain analysis of transient noise data
Interior wind noise prediction using validated cabin models and SEA solvers
Far-field noise prediction with FW-H acoustic analogy
Source localization and contribution analysis to identify dominant noise generators
Realistic 3D noise visualization and auralization with PowerVIZ and audio output
Design comparison and optimization through parametric acoustic studies
PowerDELTA
Mesh Tool
PowerDELTA is a fully featured surface mesh creation tool that prepares real-life geometries for digital simulation with PowerFLOW. Utilized early in the design process, this software can develop new meshes or detect and mend gaps in existing CAD renderings to eliminate the need for manual third-party tools.
PowerDELTA Capabilities
Fast, high-quality surface mesh creation for accurate CFD simulations
Integrated model preparation across the full PowerFLOW simulation suite
Geometry editing, mesh analysis, and morphing for early design influence
Supports concurrent engineering by enabling a shared evolving model across teams
Reduces engineering turnaround time by 20–75%, increasing throughput up to 2X


PowerTHERM
Integrated Thermal Simulation
PowerTHERM enables seamless integration of thermal analysis with fluid flow simulations, providing accurate temperature and heat flux results to optimize design performance.​
PowerTHERM Capabilities
Coupled thermal simulations with fluid flow to analyze heat distribution​
Accurate surface temperature and heat fluxes for system optimization​
Integration with PowerFLOW for fluid-thermal coupling​
Thermal analysis of complex systems like electronics, cooling systems, and HVAC​
Rapid simulation turnaround for efficient design iteration and optimization

