OpenFOAM VS Simcenter STAR-CCM+
As of 30 October 2026, Simcenter STAR-CCM+ is named by 161 companies and OpenFOAM by 120; OpenFOAM skews to companies under 200 people (54% vs 40%), Simcenter STAR-CCM+ to companies over 1,000 (32% vs 29%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: OpenFOAM's script and mail records show on hundreds of thousands of small sites, Simcenter STAR-CCM+ rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- OpenFOAM: 2–200 employees
- 54%
- Simcenter STAR-CCM+: 2–200 employees
- 40%
- OpenFOAM: 1,000+ employees
- 29%
- Simcenter STAR-CCM+: 1,000+ employees
- 32%
- Postings per company, 90 days
- 2.6 · 2.8
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | OpenFOAM | share | Simcenter STAR-CCM+ | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 4 | 3% | 5 | 3% | even |
| 2-10 employees | 19 | 16% | 21 | 13% | OpenFOAM |
| 11-50 employees | 18 | 15% | 13 | 8% | OpenFOAM |
| 51-200 employees | 28 | 23% | 31 | 19% | OpenFOAM |
| 201-500 employees | 9 | 8% | 23 | 14% | Simcenter STAR-CCM+ |
| 501-1000 employees | 7 | 6% | 17 | 11% | Simcenter STAR-CCM+ |
| 1001-5000 employees | 8 | 7% | 16 | 10% | Simcenter STAR-CCM+ |
| 5001-10000 employees | 9 | 8% | 6 | 4% | OpenFOAM |
| 10,001+ employees | 18 | 15% | 29 | 18% | Simcenter STAR-CCM+ |
| Segment | OpenFOAM | share | Simcenter STAR-CCM+ | share | Leans |
|---|---|---|---|---|---|
| Manufacturing & industry | 40 | 33% | 74 | 46% | Simcenter STAR-CCM+ |
| Technology & software | 21 | 18% | 16 | 10% | OpenFOAM |
| Business & finance services | 18 | 15% | 29 | 18% | Simcenter STAR-CCM+ |
| Public, community & associations | 9 | 8% | 5 | 3% | OpenFOAM |
| Consumer services & leisure | 9 | 8% | 5 | 3% | OpenFOAM |
| Automotive | 8 | 7% | 17 | 11% | Simcenter STAR-CCM+ |
| Utilities & infrastructure | 8 | 7% | 9 | 6% | even |
| Media & content | 4 | 3% | 2 | 1% | OpenFOAM |
| Commerce & trade | 1 | 1% | 2 | 1% | even |
| Health care | 1 | 1% | – | – | outside top 12 |
| Transport, logistics & rental | 1 | 1% | 2 | 1% | even |
| Segment | OpenFOAM | share | Simcenter STAR-CCM+ | share | Leans |
|---|---|---|---|---|---|
| United States | 64 | 53% | 103 | 64% | Simcenter STAR-CCM+ |
| Germany | 16 | 13% | 16 | 10% | OpenFOAM |
| France | 8 | 7% | 7 | 4% | OpenFOAM |
| United Kingdom | 6 | 5% | 5 | 3% | even |
| India | 6 | 5% | 5 | 3% | even |
| Singapore | 4 | 3% | 2 | 1% | OpenFOAM |
| Netherlands | 3 | 3% | 3 | 2% | even |
| Austria | 2 | 2% | – | – | outside top 12 |
| Switzerland | 2 | 2% | 2 | 1% | even |
| Sweden | 2 | 2% | 2 | 1% | even |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| Australia | 1 | 1% | – | – | outside top 12 |
| Canada | – | – | 2 | 1% | outside top 12 |
| Spain | – | – | 2 | 1% | outside top 12 |
| Italy | – | – | 2 | 1% | outside top 12 |
| Segment | OpenFOAM | share | Simcenter STAR-CCM+ | share | Leans |
|---|---|---|---|---|---|
| Engineering (non-software) | 206 | 50% | 378 | 68% | Simcenter STAR-CCM+ |
| Data & AI | 52 | 13% | 43 | 8% | OpenFOAM |
| Research and science | 32 | 8% | 10 | 2% | OpenFOAM |
| Education & training | 16 | 4% | 1 | 0% | OpenFOAM |
| Software engineering | 7 | 2% | 5 | 1% | even |
| Customer service & success | 5 | 1% | 3 | 1% | even |
| IT operations & business systems | 3 | 1% | 5 | 1% | even |
| Product, program & project management | 3 | 1% | 3 | 1% | even |
| Sales | 3 | 1% | 6 | 1% | even |
| Unclassified | 3 | 1% | 3 | 1% | even |
| Marketing & communications | 1 | 0% | – | – | outside top 12 |
| Design & UX | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using OpenFOAM →
Companies using Simcenter STAR-CCM+ →
cae simulation ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Simcenter STAR-CCM+ is named by 161 companies in job postings and OpenFOAM by 120; 86 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/openfoam-vs-star-ccm-plus)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
OpenFOAM vs Simcenter STAR-CCM+: questions
Which is more used, OpenFOAM or Simcenter STAR-CCM+?
By companies naming it in their own job postings, Simcenter STAR-CCM+ (161) over OpenFOAM (120). By website-and-DNS footprint, Simcenter STAR-CCM+ (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses OpenFOAM?
54% of OpenFOAM companies have 2 to 200 employees, against 40% for Simcenter STAR-CCM+. 29% of OpenFOAM companies have over 1,000 employees, against 32% for Simcenter STAR-CCM+.
Do companies run both?
86 companies name both in their postings, usually OpenFOAM in marketing and Simcenter STAR-CCM+ in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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