GPU-Accelerated CFD Solver Developer (LBM)

Siemens Digital Industries Software; Swindon; Hybrid; GBP 54,000 - 91,000; Full time

Benefits offered by this job

Hybrid work model

Global mobility

Job summary

Siemens Digital Industries Software is hiring a CFD Solver Developer to join the M-Star team, building GPU-native solvers for complex multiphysics. You will contribute to solver architecture, algorithm development, and performance on high-performance GPUs for industries including Life Sciences and Chemical Materials.

The role focuses on translating research into a practical, scalable software product, collaborating with users and support engineers to ensure rigor and usefulness across diverse

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 (Lattice Boltzmann)

High-performance computing

CUDA

MPI

GPU architectures

Multiphysics modeling

Numerical methods

Tools

CUDA toolkit

MPI

Job description

Siemens Digital Industries Software is hiring a CFD Solver Developer to join the M-Star team, building GPU-native solvers for complex multiphysics. You will contribute to solver architecture, algorithm development, and performance on high-performance GPUs for industries including Life Sciences and Chemical Materials.

The role focuses on translating research into a practical, scalable software product, collaborating with users and support engineers to ensure rigor and usefulness across diverse