FLOW-3D
FLOW-3D is a specialized computational fluid dynamics software providing highly accurate simulations of free-surface flows to help engineers solve complex hydraulic, casting, and additive manufacturing challenges effectively.
SimFlow
SimFlow is a comprehensive computational fluid dynamics software that provides an OpenFOAM-based GUI for simulating complex fluid flows, heat transfer, and multiphase interactions across engineering disciplines.
Quick Comparison
| Feature | FLOW-3D | SimFlow |
|---|---|---|
| Website | flow3d.com | sim-flow.com |
| Pricing Model | Custom | Freemium |
| Starting Price | Custom Pricing | Free |
| FREE Trial | ✓ 0 days free trial | ✘ No free trial |
| Free Plan | ✘ No free plan | ✓ Has free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 1980 | 2013 |
| Headquarters | Santa Fe, USA | Warsaw, Poland |
Overview
FLOW-3D
FLOW-3D gives you a powerful toolset for modeling complex fluid motion with a specific focus on free-surface flows. You can simulate how liquids interact with solid structures, track bubbles or droplets, and analyze thermal effects in high-precision engineering environments. It uses a unique grid-based approach that simplifies your meshing process while maintaining extreme accuracy for moving boundaries and intricate geometries.
You can apply this technology across diverse fields including civil hydraulics, metal casting, and microfluidics. Whether you are designing a dam spillway or optimizing a laser powder bed fusion process, the software provides the physical insights needed to reduce physical prototyping costs. It is designed for professional engineers and researchers who require high-fidelity results for transient, three-dimensional fluid dynamics problems.
SimFlow
SimFlow is a powerful computational fluid dynamics (CFD) platform that brings the capabilities of OpenFOAM to a user-friendly graphical interface. You can handle complex engineering challenges including compressible and incompressible flows, heat transfer, and chemical reactions without writing code. It allows you to import geometry directly from CAD software, create high-quality meshes, and monitor simulations in real-time to ensure accuracy and efficiency.
Whether you are designing automotive components or optimizing HVAC systems, the platform provides the tools to visualize flow patterns and pressure distributions effectively. You can run simulations on your local machine or scale up to high-performance computing clusters for massive datasets. It is designed for engineering professionals and researchers who need the precision of open-source solvers combined with the speed of a modern, intuitive workflow.
Overview
FLOW-3D Features
- TruVOF Tracking Track the interface between liquids and gases with industry-leading precision to see exactly how your fluid behaves.
- FAVOR™ Meshing Define complex geometric shapes within a simple rectangular grid to save hours of manual meshing time while maintaining accuracy.
- Multi-Physics Suite Combine fluid flow with heat transfer, phase change, and surface tension to simulate realistic environmental and industrial conditions.
- Sediment Transport Predict how sand and silt will erode or deposit in hydraulic structures to ensure long-term infrastructure stability.
- Fluid-Structure Interaction Model how your solid parts deform or move in response to fluid pressure to prevent structural failures.
- High-Performance Computing Run massive simulations across multiple processors to get your results faster and meet tight project deadlines.
SimFlow Features
- Mesh Generation. Create high-quality hex-dominant meshes automatically for complex geometries using the integrated snappyHexMesh and cfMesh tools.
- Multiphase Flow. Simulate interactions between different fluids, such as water and air, to predict cavitation, splashing, or free-surface movements.
- Heat Transfer. Analyze conduction, convection, and radiation within your designs to optimize cooling systems and thermal management strategies.
- Real-time Monitoring. Track residuals and physical quantities during the calculation process to catch errors early and save valuable computing time.
- Parallel Processing. Speed up your simulations by distributing the workload across multiple CPU cores with seamless MPI support.
- Post-processing. Visualize your results with integrated ParaView support to create stunning animations and detailed vector plots of fluid behavior.
Pricing Comparison
FLOW-3D Pricing
SimFlow Pricing
- Limit of 200,000 nodes
- All physical models included
- Parallel processing support
- Standard mesh tools
- Community support access
- Everything in Free, plus:
- Unlimited mesh nodes
- Priority technical support
- Perpetual license options
- Advanced geometry handling
- Full cluster compatibility
Pros & Cons
FLOW-3D
Pros
- Unmatched accuracy for free-surface and splashing liquid simulations
- Faster setup times due to the rectangular meshing approach
- Excellent technical support from highly specialized fluid dynamics experts
- Robust physics models for specialized metal casting processes
Cons
- Significant hardware requirements for high-resolution 3D simulations
- Steep learning curve for users new to CFD
- High entry cost compared to general-purpose simulation tools
SimFlow
Pros
- Intuitive GUI makes OpenFOAM accessible to beginners
- Excellent mesh generation capabilities for complex parts
- Free version is highly functional for small projects
- Supports a wide range of physical solvers
- Regular updates keep the software stable and modern
Cons
- Commercial licenses require a custom quote
- Learning curve remains steep for CFD theory
- Hardware requirements are high for large meshes