CalculiX vs Nastran:Which is searched more?
In September 2026, CalculiX had more branded searches than Nastran among finite element analysis software worldwide. CalculiX had about 9,900 branded searches, while Nastran had 6,600. CalculiX made up 2.4% of all finite element analysis software searches we track, and Nastran accounted for 1.6%. These are worldwide searches for English-language branded terms.
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Is CalculiX or Nastran more popular in search?
Compare the software used for structural simulation. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of searches by month for CalculiX, Nastran. The figures are in the table below the chart.
View monthly share of searches table
| Month | Altair | Ansys | COMSOL | Abaqus | SimScale | CalculiX | Nastran | SolidWorks |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 41.5% | 34% | 8.4% | 6.8% | 4.6% | 1.7% | 1.7% | 1.4% |
| Nov 2025 | 45% | 30.2% | 9.1% | 6.1% | 5% | 1.8% | 1.5% | 1.5% |
| Dec 2025 | 48.9% | 26.8% | 8.1% | 6.6% | 5.4% | 1.6% | 1.3% | 1.3% |
| Jan 2026 | 45.1% | 30.3% | 9.1% | 6.1% | 5% | 1.5% | 1.5% | 1.5% |
| Feb 2026 | 41.1% | 33.7% | 8.3% | 6.8% | 5.5% | 1.6% | 1.6% | 1.3% |
| Mar 2026 | 44.5% | 29.9% | 9% | 6% | 6% | 1.8% | 1.5% | 1.5% |
| Apr 2026 | 39.8% | 32.6% | 9.8% | 6.5% | 6.5% | 1.6% | 1.6% | 1.6% |
| May 2026 | 43.1% | 28.8% | 8.7% | 7.1% | 7.1% | 2.1% | 1.7% | 1.4% |
| Jun 2026 | 43.7% | 29.1% | 8.8% | 5.9% | 7.2% | 2.1% | 1.7% | 1.4% |
| Jul 2026 | 43.3% | 28.9% | 8.7% | 5.8% | 8.7% | 1.7% | 1.4% | 1.4% |
| Aug 2026 | 44.1% | 29.4% | 8.9% | 5.9% | 7.2% | 1.8% | 1.4% | 1.2% |
| Sep 2026 | 39.6% | 32.4% | 9.7% | 6.5% | 6.5% | 2.4% | 1.6% | 1.3% |
How has the CalculiX and Nastran comparison changed over the last 12 months?
3 findings
- CalculiX was ahead of Nastran in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, CalculiX’s share of searches among finite element analysis software worldwide moved from 1.7% to 2.4%, and its estimated monthly branded searches moved from 8.1K to 9.9K.
- Across the 12 months ending September 2026, Nastran’s share of searches among finite element analysis software worldwide moved from 1.7% to 1.6%, and its estimated monthly branded searches moved from 8.1K to 6.6K.
How did search popularity change for finite element analysis software worldwide in September 2026?
2 changes
In September 2026, CalculiX gained share of searches among finite element analysis software worldwide, from 1.8% to 2.4%.
Estimated monthly branded searches for Nastran worldwide fell 18.5% over 12 measured months, from 8.1K to 6.6K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using CalculiX’s and Nastran’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among finite element analysis software
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