AI / Simulation Engineer – Fire and Explosion
UL Solutions
- Location
- Bengaluru, Karnataka, India
- Job type
- Full-time
Required skills
- Python
- ANSYS
- CAD
- chemical engineering
- communication skills
- SolidWorks
- Ignition
About the role
UL Solutions
Website:
ul.com
Job details:
Responsibilities
- Develop and execute CFD-based fire and explosion simulations using:
- FLACS for gas dispersion, flame acceleration, and vented/unvented deflagration analysis
- FDS for gas dispersion, fire dynamics, smoke movement, heat transfer, and plume behavior
- Model ESS/BESS fire and explosion scenarios, including:
- Battery off-gas release and dispersion
- Ignition and overpressure development
- Large-scale enclosure and outdoor fire scenarios
- Apply strong fundamentals in heat transfer (convection, conduction, radiation), fluid flow and turbulence, combustion, and fire dynamics
- Analyze simulation outputs such as:
- Temperature fields, heat fluxes, and thermal exposure
- Overpressure and impulse
- Gas concentration and visibility
- Support performance-based fire and explosion safety design (PBD) aligned with applicable codes and standards
- Interpret simulation results in the context of code intent, safety objectives, and risk reduction strategies
- Assist in defining credible worst-case and design fire/explosion scenarios
- Perform pre-processing, solver execution, and post-processing of CFD simulations
- Support verification and validation (V&V) through comparison with:
- Large-scale ESS fire test data
- Literature and experimental benchmarks
- Prepare clear, defensible technical reports for internal review and external customers
- Work under guidance of senior fire and explosion engineers while progressively taking ownership of tasks
- Collaborate with multidisciplinary teams across CFD, testing, certification, and research
- Maintain high-quality documentation and adherence to established modeling workflows
- Actively develop expertise by reviewing technical literature and internal best practices
Qualifications
- Bachelor’s or Master’s degree in Mechanical Engineering / Chemical Engineering/ Thermal Sciences/ Combustion, Fire Protection Engineering, or CFD-related disciplines
- 2–4 years of experience in CFD, thermal-fluid simulation, fire modeling, or related applied simulation work
- Hands-on experience or project exposure to:
- Fire Dynamics Simulator (FDS) and
- FLACS or similar explosion / gas dispersion tools
- Computer Aided Design (CAD) software (e.g. Inventor, SolidWorks)
- Ability to apply engineering judgment and first principles when building simulation models
- Excellent technical writing and verbal communication skills
- Comfortable working independently on defined tasks within a structured engineering framework
- Exposure to battery energy storage systems (BESS/ESS) or lithium-ion thermal runaway (nice to have)
- Familiarity with large-scale fire testing or fire test data interpretation (nice to have)
- Awareness of performance-based fire engineering concepts (nice to have)
- Basic knowledge of relevant standards (e.g., NFPA 855, NFPA 68/69, IFC, international fire codes) (nice to have)
- Experience with other CFD tools (ANSYS Fluent, OpenFOAM, CFX)
- Experience with Python workflow automation (nice to have)
- Interest in research, model validation, and advanced simulation methodologies
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