High-fidelity CFD for Industry:
Open. Trusted. Proven.
Upstream CFD helps industry teams tackle the toughest fluid dynamics and aeroacoustics challenges — with expert consulting, advanced methods, and deep OpenFOAM expertise. We collaborate openly, deliver rigorously, and contribute to the community.
Proud partners of:
Service
Specialist Services for High-Fidelity Simulation
We deliver trusted expertise across CFD, aeroacoustics, method development, and HPC — supporting teams from large OEMs to agile SMEs.
Service
Specialist Services for High-Fidelity Simulation
We deliver trusted expertise across CFD, aeroacoustics, method development, and HPC — supporting teams from large OEMs to agile SMEs.
Service
Specialist Services for High-Fidelity Simulation
We deliver trusted expertise across CFD, aeroacoustics, method development, and HPC — supporting teams from large OEMs to agile SMEs.
Our Expertise
Our Expertise
Our Expertise
Decades of Expertise
Decades of Expertise
Decades of Expertise
Empowering OEMs, SMEs, and consultancies with high-fidelity CFD & CAA solutions using OpenFOAM and proprietary tools.
Empowering OEMs, SMEs, and consultancies with high-fidelity CFD & CAA solutions using OpenFOAM and proprietary tools.
Empowering OEMs, SMEs, and consultancies with high-fidelity CFD & CAA solutions using OpenFOAM and proprietary tools.
High-fidelity turbulence modelling
Source-resolving aeroacoustics
Numerical methods
Deployment in the cloud
High-performance computing (HPC)
Advanced statistical processing
Our Approach
Our Approach
Our Approach
A technology-centric and collaborative methodology that prioritises innovation, precision, and industry impact.
A technology-centric and collaborative methodology that prioritises innovation, precision, and industry impact.
A technology-centric and collaborative methodology that prioritises innovation, precision, and industry impact.
Our Mission
Our Mission
Our Mission
To enable the deployment of high-fidelity CFD in industrial design processes.
To enable the deployment of high-fidelity CFD in industrial design processes.
To enable the deployment of high-fidelity CFD in industrial design processes.
Our Team
Our Team
Our Team
A dedicated group of CFD and CAA specialists with decades of experience in research and industrial consulting.
A dedicated group of CFD and CAA specialists with decades of experience in research and industrial consulting.
A dedicated group of CFD and CAA specialists with decades of experience in research and industrial consulting.
Publications
Publications
Publications
Our Research & Publications
Our Research & Publications
Our Research & Publications
Our team actively contributes to the CFD & CAA research community with over 105 scientific publications and collaborations in EU-funded projects.
Our team actively contributes to the CFD & CAA research community with over 105 scientific publications and collaborations in EU-funded projects.
Our team actively contributes to the CFD & CAA research community with over 105 scientific publications and collaborations in EU-funded projects.
Pioneering High-Fidelity Turbulence Modelling
Pioneering High-Fidelity Turbulence Modelling
Our research pushes the boundaries of turbulence modelling with advanced scale-resolving simulations for complex industrial flows.
Our research pushes the boundaries of turbulence modelling with advanced scale-resolving simulations for complex industrial flows.
Breakthroughs in Aeroacoustic Prediction
Breakthroughs in Aeroacoustic Prediction
We develop and validate source-resolving approaches to directly simulate noise generation and propagation in real-world applications.
We develop and validate source-resolving approaches to directly simulate noise generation and propagation in real-world applications.
Innovations in Numerical Methods & Computational Efficiency
Innovations in Numerical Methods & Computational Efficiency
From solver enhancements to AMR and hybrid approaches, we create robust, scalable methods that deliver accurate results efficiently.
From solver enhancements to AMR and hybrid approaches, we create robust, scalable methods that deliver accurate results efficiently.
Transfer of Technology from Research to Industry
Transfer of Technology from Research to Industry
Our methods are designed not just for research, but to be used in practice — helping bridge the gap between cutting-edge R&D and industrial workflows.
Our methods are designed not just for research, but to be used in practice — helping bridge the gap between cutting-edge R&D and industrial workflows.
Why Upstream?
Why Choose Upstream CFD?
We combine specialist expertise, proven experience, and an open, collaborative approach — helping industry teams get the most from high-fidelity CFD and aeroacoustics.
Why Upstream?
Why Choose Upstream CFD?
We combine specialist expertise, proven experience, and an open, collaborative approach — helping industry teams get the most from high-fidelity CFD and aeroacoustics.
Why Upstream?
Why Choose Upstream CFD?
We combine specialist expertise, proven experience, and an open, collaborative approach — helping industry teams get the most from high-fidelity CFD and aeroacoustics.
Deep Specialist Expertise
Deep Specialist Expertise
Deep Specialist Expertise
A trusted team with 15+ years of experience in advanced CFD, aeroacoustics, and HPC.
A trusted team with 15+ years of experience in advanced CFD, aeroacoustics, and HPC.
A trusted team with 15+ years of experience in advanced CFD, aeroacoustics, and HPC.
Proven Track Record
Proven Track Record
Proven Track Record
Decades of industrial consulting and 105+ scientific publications back our work.
Decades of industrial consulting and 105+ scientific publications back our work.
Decades of industrial consulting and 105+ scientific publications back our work.
Open & Community-Driven
Open & Community-Driven
Open & Community-Driven
Active contributors to the OpenFOAM® ecosystem — with a fair, transparent approach to open-source.
Active contributors to the OpenFOAM® ecosystem — with a fair, transparent approach to open-source.
Active contributors to the OpenFOAM® ecosystem — with a fair, transparent approach to open-source.
Tailored to Your Needs
Tailored to Your Needs
Tailored to Your Needs
From full consulting projects to enhancing your in-house methods — we adapt to your workflow.
From full consulting projects to enhancing your in-house methods — we adapt to your workflow.
From full consulting projects to enhancing your in-house methods — we adapt to your workflow.
Trusted Partner for Innovation
Trusted Partner for Innovation
Trusted Partner for Innovation
Experienced in leading and supporting publicly funded R&D and cutting-edge projects.
Experienced in leading and supporting publicly funded R&D and cutting-edge projects.
Experienced in leading and supporting publicly funded R&D and cutting-edge projects.
Best Practices Built In
Best Practices Built In
Best Practices Built In
Our methods and tools embed industry best practices — to ensure reliability and efficiency.
Our methods and tools embed industry best practices — to ensure reliability and efficiency.
Our methods and tools embed industry best practices — to ensure reliability and efficiency.
Cloud & On-Premises HPC Expertise
Cloud & On-Premises HPC Expertise
Cloud & On-Premises HPC Expertise
We help you design and run cost-effective HPC solutions tailored to high-fidelity simulation.
We help you design and run cost-effective HPC solutions tailored to high-fidelity simulation.
We help you design and run cost-effective HPC solutions tailored to high-fidelity simulation.
Built to Last
Built to Last
Built to Last
Independent and not beholden to investors, we’re trusted by clients who value quality & long-term partnerships.
Independent and not beholden to investors, we’re trusted by clients who value quality & long-term partnerships.
Independent and not beholden to investors, we’re trusted by clients who value quality & long-term partnerships.
Don't Take Our Word For It
Thanks to their deep level of expertise and dedication to quality, the Upstream CFD team have made significant contributions to enhancing our OpenFOAM-based capabilities … It is a pleasure to work with them.
Thanks to their deep level of expertise and dedication to quality, the Upstream CFD team have made significant contributions to enhancing our OpenFOAM-based capabilities … It is a pleasure to work with them.
Dr. rer. nat. Marcus Renner
Head of CAE Integration & CFD Methods
Upstream CFD have played a key role in building our entire CFD process … In a startup environment where delivering fast is crucial, their contribution has been invaluable. Highly recommended!
Upstream CFD have played a key role in building our entire CFD process … In a startup environment where delivering fast is crucial, their contribution has been invaluable. Highly recommended!
Dr. Guillaume Martinat
Head of Technological Research
Our Fair & Sustainable Approach
Subscription model for enhanced methods, validated and synced to latest openfoam.com release
Mature methods contributed to the public release
Strong community engagement
Upstream CFD's team has contributed to the OpenFOAM community since 2011 — learn more about our approach and published features in this article.
OPENFOAM® is a registered trademark of OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com
Our Fair & Sustainable Approach
Subscription model for enhanced methods, validated and synced to latest openfoam.com release
Mature methods contributed to the public release
Strong community engagement
Upstream CFD's team has contributed to the OpenFOAM community since 2011 — learn more about our approach and published features in this article.
OPENFOAM® is a registered trademark of OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com
Our Fair & Sustainable Approach
Subscription model for enhanced methods, validated and synced to latest openfoam.com release
Mature methods contributed to the public release
Strong community engagement
Upstream CFD's team has contributed to the OpenFOAM community since 2011 — learn more about our approach and published features in this article.
OPENFOAM® is a registered trademark of OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com
Blog
Explore Our Blog
Dive into our blog for insights and technical tips in Computational Fluid Dynamics and Computational Aeroacoustics.
Blog
Explore Our Blog
Dive into our blog for insights and technical tips in Computational Fluid Dynamics and Computational Aeroacoustics.
Blog
Explore Our Blog
Dive into our blog for insights and technical tips in Computational Fluid Dynamics and Computational Aeroacoustics.
Contact Us
Get in Touch with Us
Reach out to us for inquiries, support, or partnership opportunities. We're here to assist you!
Get in Touch with Us
Use our convenient contact form to reach out with questions, feedback, or collaboration inquiries.
Contact Us
Get in Touch with Us
Reach out to us for inquiries, support, or partnership opportunities. We're here to assist you!
Get in Touch with Us
Use our convenient contact form to reach out with questions, feedback, or collaboration inquiries.
Contact Us
Get in Touch with Us
Reach out to us for inquiries, support, or partnership opportunities. We're here to assist you!
Get in Touch with Us
Use our convenient contact form to reach out with questions, feedback, or collaboration inquiries.
FAQ
Frequently Asked Questions
A few common questions about our work and approach. If you’d like to know more, feel free to get in touch.
What industries do you work with?
Do you offer training?
Which OpenFOAM version do you use?
Can you help us improve our existing CFD workflows?
Can you support large OEMs as well as smaller companies?
How does a small company like yours run compute-hungry high-fidelity CFD?
Do you only use OpenFOAM?
How do you ensure the quality of your methods?
Do you collaborate on public R&D projects?
Do you run simulations for clients without in-house CFD or HPC resources?
Do you provide access to your in-house OpenFOAM developments?
I work in a secretive industry and can’t publish the code. Can we work with you?
FAQ
Frequently Asked Questions
A few common questions about our work and approach. If you’d like to know more, feel free to get in touch.
What industries do you work with?
Do you offer training?
Which OpenFOAM version do you use?
Can you help us improve our existing CFD workflows?
Can you support large OEMs as well as smaller companies?
How does a small company like yours run compute-hungry high-fidelity CFD?
Do you only use OpenFOAM?
How do you ensure the quality of your methods?
Do you collaborate on public R&D projects?
Do you run simulations for clients without in-house CFD or HPC resources?
Do you provide access to your in-house OpenFOAM developments?
I work in a secretive industry and can’t publish the code. Can we work with you?
FAQ
Frequently Asked Questions
A few common questions about our work and approach. If you’d like to know more, feel free to get in touch.
What industries do you work with?
Do you offer training?
Which OpenFOAM version do you use?
Can you help us improve our existing CFD workflows?
Can you support large OEMs as well as smaller companies?
How does a small company like yours run compute-hungry high-fidelity CFD?
Do you only use OpenFOAM?
How do you ensure the quality of your methods?
Do you collaborate on public R&D projects?
Do you run simulations for clients without in-house CFD or HPC resources?
Do you provide access to your in-house OpenFOAM developments?
I work in a secretive industry and can’t publish the code. Can we work with you?
Contact
Upstream CFD GmbH
Bismarckstraße 10-12
10625 Berlin
Germany
+49 (0)30 992 114 001
© 2025 Upstream CFD GmbH | Proudly built by APEX.
Contact
Upstream CFD GmbH
Bismarckstraße 10-12
10625 Berlin
Germany
+49 (0)30 992 114 001
© 2025 Upstream CFD GmbH | Proudly built by APEX.
Contact
Upstream CFD GmbH
Bismarckstraße 10-12
10625 Berlin
Germany
+49 (0)30 992 114 001
© 2025 Upstream CFD GmbH
Proudly built by APEX.
