LBM CFD Solver Engineer — GPU-Accelerated Multiphysics

Siemens AG; Sheffield; Hybrid; GBP 54,000 - 91,000; Full time

Job summary

Siemens Software in the United Kingdom is seeking a CFD Solver Developer to join the M-Star team, delivering GPU-accelerated CFD tools for industrial applications and collaborating with scientists and engineers to ensure scientific rigor and practical usefulness.

You will contribute to solver architecture, implement numerical methods for multiphysics, and work with users to tailor software to real-world needs, with hybrid work and opportunities to present results at conferences.

Qualifications

• Expertise with Lattice Boltzmann Methods (LBM) for fluid simulation.
• Background in numerical methods for transport physics (fluid dynamics, advection diffusion, particle mechanics, or heat transfer).
• Writing high performance physics codes using parallel computing in shared and distributed memory systems.
• Knowledge of the Discrete Element Method (DEM) for particle mechanics.
• Specialization in numerical methods for multiphase modeling of liquid-liquid and gas-liquid systems.
• Algorithms for computational geometry including structured/unstructured meshing, 3D search, and mesh refinement.
• Detailed understanding of GPU architectures and CUDA toolkit.
• MPI programming for multi-GPU code development.
• Experience working on a large multiphysics solver.

Responsibilities

• Developing M-Star’s fluid dynamics solver including maintenance, feature addition, algorithm implementation, and validation.
• Translating academic research in numerical methods into a high-performance, easy-to-use software product.
• Modeling a wide-range of physics including fluid dynamics, multiphase flows, advection- diffusion, particle mechanics, and heat transfer.
• Implementing meshing algorithms and data structures for GPU architectures in a distributed memory environment.
• Working with support engineers and users to tailor software to current needs.
• Performing validation studies and presenting results at conferences.

Skills

LBM

CFD

GPU programming

MPI

CUDA

Multiphysics

Numerical methods

Tools

CUDA toolkit

Job description

Siemens Software in the United Kingdom is seeking a CFD Solver Developer to join the M-Star team, delivering GPU-accelerated CFD tools for industrial applications and collaborating with scientists and engineers to ensure scientific rigor and practical usefulness.

You will contribute to solver architecture, implement numerical methods for multiphysics, and work with users to tailor software to real-world needs, with hybrid work and opportunities to present results at conferences.