CONVERGE
Simulation & CAE software
- Features
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- Ease of management
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What is CONVERGE
CONVERGE is a computational fluid dynamics (CFD) simulation software package used to model fluid flow, heat transfer, turbulence, spray, and combustion in complex geometries. It is commonly used by engineering teams in automotive, aerospace, and energy for internal combustion engines, gas turbines, and related reacting-flow applications. The product emphasizes automated meshing (including adaptive mesh refinement) to reduce manual grid generation work compared with many traditional CFD workflows. It is typically deployed in HPC environments for large transient simulations and design studies.
Automated meshing workflow
CONVERGE is known for reducing the amount of manual mesh generation required for many CFD problems by using automated Cartesian meshing approaches. This can shorten setup time for geometry changes and parametric studies where remeshing is frequent. Adaptive mesh refinement supports adding resolution where solution gradients demand it, which can help manage cell count versus accuracy. These capabilities are particularly relevant for transient, moving-boundary, and spray/combustion cases.
Strong reacting-flow modeling
The software includes physics models commonly required for combustion and spray simulations, such as multiphase flow and chemical kinetics workflows used in engine and combustor analysis. It supports transient simulations that capture cycle-resolved behavior and complex boundary motion. This makes it a practical choice for teams focused on powertrain and other reacting-flow CAE use cases. The feature set aligns with specialized CFD needs rather than general-purpose CAD-centric modeling.
HPC-oriented simulation execution
CONVERGE is designed for computationally intensive CFD workloads and is typically used with parallel computing resources. It supports running large transient cases and design-of-experiments style studies where many runs are required. This orientation fits organizations that already operate on-premises clusters or cloud HPC. It can integrate into engineering workflows where batch execution and repeatable runs are important.
Narrower scope than multiphysics
CONVERGE focuses primarily on CFD and combustion-related physics rather than broad multiphysics coverage across structures, electromagnetics, and general CAD/CAE in one environment. Organizations needing tightly coupled multiphysics across many domains may require additional tools and integration work. This can increase total workflow complexity when projects span beyond fluid/thermal/reacting-flow analysis. It is less positioned as an all-in-one engineering platform.
Learning curve for advanced models
High-fidelity spray and combustion simulations require careful model selection, boundary condition definition, and validation practices. Users often need domain expertise to interpret results and tune setups appropriately, especially for reacting flows. Teams without prior CFD/combustion experience may face longer onboarding and higher dependence on specialists. This is typical for advanced CAE tools but can affect time-to-value.
Licensing and compute cost
Commercial CFD licensing and the compute resources needed for transient, high-resolution simulations can be expensive relative to lighter-weight numerical tools. Total cost can increase further when scaling to many parallel runs for optimization or uncertainty studies. Budgeting must account for both software entitlements and HPC infrastructure or cloud spend. This can be a constraint for smaller teams or early-stage programs.
Plan & Pricing
Pricing model: Pay-as-you-go (CONVERGE Horizon on-demand licensing)
Free tier/trial: CONVERGE Explore Program (free, non-commercial learning license) and CONVERGE Academic Program (free licenses for qualifying academic institutions in the US and Europe) — no evidence of a generic time-limited public trial.
Example costs (on-demand licensing, per the vendor site):
- AMD nodes (on-demand, cost per job-hour):
- BM-AMD-192: Bronze $31.00 | Silver $25.26 | Gold $24.33 | Platinum $21.63 | Diamond $20.00
- BM-AMD-256: Bronze $41.85 | Silver $34.10 | Gold $32.85 | Platinum $29.20 | Diamond $27.00
- Intel nodes (on-demand, cost per job-hour):
- BM-INTEL-36 (includes one node): Bronze $15.72 | Silver $15.72 | Gold $14.25 | Platinum $13.15 | Diamond $12.00
- Cost for each additional node (cost per job-hour): Bronze $4.97 | Silver $4.29 | Gold $3.71 | Platinum $3.51 | Diamond $3.25
Bring‑Your‑Own‑License (self-hosted) example costs (per node-hour):
- BM-AMD-192: Gold $8.20 | Platinum $7.80 | Diamond $7.50 (Bronze/Silver: N/A)
- BM-AMD-256: Gold $12.30 | Platinum $11.70 | Diamond $11.25 (Bronze/Silver: N/A)
- BM-INTEL-36: Gold $2.25 | Platinum $2.15 | Diamond $2.00 (Bronze/Silver: N/A)
Storage & data transfer (Horizon):
- Standard storage: $0.0255 per GB per month
- Scratch storage (attached while job runs): $0.0595 per GB
- Data egress: $0.0090 per GB
- Storage summary on products page: Storage $30.72 per TB per month; File system hardware $119.59 per month
Discounts / tiers:
- CONVERGE Horizon applies tiered discounts based on 12-month commitment bands: Bronze ($0–15k), Silver ($15k–50k), Gold ($50k–200k), Platinum ($200k–500k), Diamond ($500k+). Higher tiers reduce per-job/node rates and include additional support entitlements.
Other notes (vendor directs to sales for missing items):
- CONVERGE on‑premise/commercial perpetual or annual license prices are not published on the site; the vendor requests contacting sales for conventional license purchases and enterprise terms.
Seller details
Convergent Science, Inc.
Madison, Wisconsin, USA
1999
Private
https://convergecfd.com/
https://x.com/ConvergentSci
https://www.linkedin.com/company/convergent-science/
