OpenFOAM Experts in Germany
for faster simulation work, matched in minutes with vetted and available freelancersHire experts who model fluid flow, heat transfer and multiphase systems with OpenFOAM, while connecting simulations to CAD, meshing and high-performance computing workflows. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used OpenFOAM
Heena P.
Last position:
Retirement Spend & Tax Optimizer Agentic AI App (Vibe Coding) at Personal Project
Self-directed exploration of agentic AI development methods, taken from idea to a working, publicly usable application
- Built an interactive planning tool for modelling retirement withdrawals and tax strategy using an agentic AI (vibe coding) development approach – demonstrating self-directed investigation of new AI-assisted development methods
- Delivered live, tax-aware spending projections and adjustable user inputs; shipped as a free, install-free browser application built in Python, with attention to usability for non-technical users
Shiqing F.
Last position:
Technical Director at EmotionPool GmbH
- Spearheaded the EU market entry strategy for L3/L4 autonomous logistics vehicles, driving the technological localization and deployment of the parent company’s smart robotics portfolio.
- Orchestrated technical alignment between top-tier autonomous driving suppliers across China and Europe, translating complex client requirements into precise engineering specifications compliant with EU standards.
- Cultivated strategic joint R&D initiatives with leading European universities, research institutes, and enterprises, accelerating the transition of cutting-edge robotic concepts into commercial products.
- Directed the end-to-end architecture of intelligent warehousing solutions, guiding cross-functional teams in optimizing hardware integration for autonomous vehicles & robots, and overall system performance.
- Led the R&D of high-fidelity simulation and AI algorithms using NVIDIA Isaac Sim & Lab, establishing robust "Sim-to-Real" pipelines to train and validate dynamic path planning optimization, intelligent obstacle avoidance, and complex navigation stacks prior to physical deployment.
- Maintained hands-on oversight of the core system architecture, focusing on bottom-level performance tuning, AI model inference acceleration with TensorRT/ONNX Runtime, and sensor integration.
Mehmet Fatih S.
Last position:
Online Simulation Based Digital Twin Software Developer at BAM - Federal Institute for Materials Research and Testing
- Contributed to development of an online simulation-based digital twin of bridge infrastructure project.
- Created packages implementing computational and statistical modules for the digital twin.
- Modeled the structure using FEniCSX within a Python environment.
- Integrated real sensor data with the virtual model via APIs.
- Used inference models to predict the future state of the bridge.
David T.
Last position:
AI Trainer (NLP & LLM Evaluation) at Freelance
- Designed and evaluated high-quality prompts and completions for Large Language Models (LLMs), focusing on improving response accuracy, instruction-following behavior, and factual consistency.
- Annotated and rated LLM-generated outputs for grammar, coherence, relevance, and truthfulness.
- Developed RLHF-style preference data by ranking model completions to inform reinforcement learning fine-tuning cycles.
- Participated in prompt engineering experiments to assess the effect of instruction format, verbosity, and phrasing on model behavior.
- Conducted error analysis and quality assurance on large-scale NLP datasets, identifying edge cases and linguistic ambiguity affecting LLM performance.
Florian W.
Last position:
Managing Director and Independent Engineering Service Provider at Wirth Engineering GmbH
- Engineering and consulting in the areas of simulation, manufacturing technology, and mechanical and plant engineering.
Heena P.
Last position:
Research Assistant for project Breakwaters System at Helmut-Schmidt University
- The numerical modeling of breakwaters with OpenFoam and deal.II.
- Breakwaters are constructed to study the effects of small-scale effect produced during regular and irregular sea state.
- Extend the breakwater 2D test case in olaFlow (a C++-based OpenFoam library based on the finite volume method) to 3D, varying factors such as wave conditions and porosity.
Emre A.
Last position:
Development of a software solution for archiving and a GenAI-based Q&A tool
- Banking industry
- Configuration and setup of a Google Cloud project with the Vertex AI API, Vertex AI Matching Engine, and Google Cloud Storage
- Development of Python services for ingesting and analyzing data in various formats using the Q&A API
- Containerization of components and implementation of Kubernetes configurations
- Development of a .NET service and a React frontend for data-driven capture with dynamic process steps
- Refactoring and functional extension of existing code to meet new requirements in ingestion and reconciliation
- Technologies: .NET Core, Moq, C#, PostgreSQL, Entity Framework, Avro, Python, Flask, Flask unittest, Pip, LangChain, RabbitMQ, REST, Jupyter, Docker, GitHub, kubectl, Google Vertex AI, Google Vertex AI Matching Engine, BigQuery, Google Gemini, React, Bootstrap, Vite, Vitest, npm
Discover over 15,000 top freelancers
Statistics of experts using OpenFOAM
Aggregated from the professional profiles of matched freelancers.
Experience
12 years
Position duration
1.9 years
Positions per freelancer
8
Top business areas
Research and Development, Information Technology, Product Development
Top industries
Education, Information Technology, Automotive
Bachelor's degree or higher
100%
Master's degree or higher
100%
Doctorate
67%
Certifications per freelancer
1
Most common languages
German, English, Finnish
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using OpenFOAM
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
OpenFOAM experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Education (57%)
- Information Technology (57%)
- Automotive (43%)
- Aerospace and Defense (29%)
- Agriculture (29%)
- Energy (29%)
- Banking and Finance (29%)
- Transportation (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What OpenFOAM is
OpenFOAM is an open-source computational fluid dynamics framework used to model fluid flow, heat transfer, turbulence, combustion and solid mechanics. Its C++ foundation supports custom solvers and numerical methods, while a command-line workflow makes simulations reproducible and adaptable. Companies use it to study designs before physical testing.
Engineering applications
OpenFOAM supports simulation work across automotive, aerospace, energy, process manufacturing, construction and environmental engineering. Typical projects include:
- Aerodynamic analysis and external flows
- Pumps, turbines, valves and rotating machinery
- Thermal management and conjugate heat transfer
- Multiphase flow, combustion and particle transport
- Indoor airflow and industrial ventilation
Ecosystem and tooling
Strong specialists work with OpenFOAM solvers, boundary conditions, turbulence models and discretisation schemes. They build and validate meshes with tools such as snappyHexMesh, blockMesh and external meshing systems, then inspect results in ParaView. Python, C++, shell scripting, Git and Linux are common parts of a reliable workflow.
When companies need specialists
Freelance expertise is useful when a team is adding simulation capability, adapting a solver or facing a difficult convergence problem. It can also help during design changes, model validation, automation and the transition from prototype studies to repeatable engineering processes. In Germany, remote collaboration often works well when geometry, case files and requirements are organised; on-site work may matter for laboratory or production context.
What quality looks like
A capable OpenFOAM professional connects physical assumptions with numerical settings and business questions. They define suitable boundary conditions, select models with clear reasoning and check mesh quality before trusting results. They compare simulations with measurements or established reference cases, document uncertainty and explain findings to both technical and non-technical stakeholders.
Project collaboration
Before work begins, agree on the objective, available geometry, fluid or material data, expected outputs and validation sources. Access to Linux environments, cluster resources, version control and existing case conventions can remove delays. German and English are both common in international engineering teams, so clarify documentation and meeting needs early. A good specialist leaves behind understandable cases, scripts and results that the internal team can maintain.
Frequently asked questions
The facts hiring teams ask for most often when it comes to OpenFOAM.
OpenFOAM is used for computational fluid dynamics and related multiphysics simulations. Companies apply it to aerodynamics, thermal systems, combustion, rotating equipment, ventilation and multiphase processes, often to compare design options before building physical prototypes.
OpenFOAM offers open-source access, extensive customisation and control over solver code and numerical methods. Commercial CFD tools may provide more integrated interfaces, vendor support and established workflows, while OpenFOAM can be a strong choice when flexibility, automation or custom physics is central to the project.
A strong OpenFOAM specialist usually understands fluid mechanics, numerical methods, mesh generation and result validation. Skills with C++, Python, Linux, Git, ParaView, CAD preparation and high-performance computing are also valuable, depending on the simulation workflow.
The right level depends on the task rather than a fixed career history. A professional handling a customised solver, difficult multiphase model or production workflow should show comparable validation work, while a focused post-processing or case-setup task may need a narrower background.
Yes, many OpenFOAM projects can be handled remotely when geometry, boundary data, computing access and validation targets are shared clearly. On-site collaboration can be useful for projects tied to test rigs, production equipment or laboratory measurements in Germany.
Ask how the professional selected the physical models, prepared the mesh and tested convergence. Good OpenFOAM work includes comparison with measurements or trusted reference cases, sensitivity checks, documented assumptions and results that can be reproduced by the project team.
OpenFOAM is well suited to custom solvers, boundary conditions and source terms because its C++ structure is accessible for extension. The specialist should still control versioning, testing and documentation so that custom code remains maintainable and its numerical behaviour is understood.
A typical OpenFOAM workflow may include blockMesh or snappyHexMesh for meshing, solver configuration through case dictionaries and ParaView for visualisation. Professionals may also combine CAD and external meshing tools with Python or shell scripts for preparation, automation and post-processing.
The average hourly rate of freelancers in Germany who have used OpenFOAM in their recent projects is 98 €, which corresponds to a daily rate of about 785 € based on an 8-hour working day.
Of the freelancers in Germany who have used OpenFOAM in their recent projects, 100% hold at least a Bachelor's degree, 100% hold at least a Master's degree, and 67% hold a doctorate.
On average, freelancers in Germany who have used OpenFOAM in their recent projects have 12 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Germany who have used OpenFOAM in their recent projects are German (100%), English (100%), and Finnish (29%).
The most common industries among freelancers in Germany who have used OpenFOAM in their recent projects are Education (57%), Information Technology (57%), and Automotive (43%).
The most common business areas among freelancers in Germany who have used OpenFOAM in their recent projects are Research and Development (100%), Information Technology (86%), and Product Development (71%).
Main locations of FRATCH Experts, who have recently used OpenFOAM
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
