Altair alternatives

Ranked alternatives

1. 1
   
   Caedium ProfessionalPaid

   Caedium Professional is a Computational Fluid Dynamics (CFD) software system. It delivers full-fidelity, interactive simulations of air, surface water, and even deep water to help you visualize complex fluid flows. The tool has the capability to produce high-quality visuals like detailed cross-sections and animations. The innovations make it possible to study how fluids flow over complex geometries in real-time without the need for any external hardware or special skills.

   With this software, you can decompose models into work packages that can be completed by either engineering personnel or, more commonly, by outside people not necessarily familiar with the process of modeling. Caedium Studio Designer is an additional module for projects needing high-performance capabilities. It provides a full-fidelity interactive rendering of your airflow system with control over settings such as wind direction visualization and mesh refinement.

   It’s ideal for people who want to focus on the scientific aspects of their modeling or who want to use the software as part of a larger workflow without having to worry about setting up the right environment for interactive rendering. All in all, Caedium Professional is a great tool that you can consider among its alternatives.

   Caedium Professional alternatives
2. 2
   
   VisSimPaid

   VisSim is a microscopic multi-modal traffic flow simulation software that offers unprecedented accuracy and realism yet has the flexibility to meet any modeling need. If you want the most realistic and accurate representation of how traffic flows on a micro-scale, this tool is for you. VisSim uses millions of micro-scale vehicles, which can be modeled realistically or abstractly in urban environments and in real-time. Its micro-scale vehicles simulate the diverse behavior of large groups of drivers and pedestrians and their interactions with each other and with stationery items such as intersections, roundabouts, jug handles, railroads crossings, etc.

   Unlike most other simulators, this software is not limited to a particular traffic network topology. This means you can use it for any traffic network, including those with minimum-, median- and maximum-flow schemes. You can also simulate traffic on the road with variable speed limits and congestion using the built-in speed analysis tool. VisSim has hundreds of built-in modules, including signal timing, intersection control, crash analysis, pedestrian count analysis, pedestrian/vehicle conflict evaluation, crash rate calculation, etc. VisSim’s data import/export function allows users to exchange vehicles and parameters between different models either by file transfer or by e-mail.

   It also has the ability to simulate traffic on the road with variable speed limits and congestion. This makes it ideal for analyzing how variable speed limits affect vehicle speeds over time. The speed analysis tool allows users to analyze the average vehicle speed, flow rate, density, and occupancy by the time of day. All in all, VisSim is a great tool that you can consider among its alternatives.

   VisSim alternatives
3. 3
   
   Autodesk CFDPaid

   Autodesk CFD is a computational fluid dynamics software that allows you to make 3D flow models and analyze how the liquids and gases are flowing in your model system. You can use this in a wide range of fields, including automotive engineering, aerospace engineering, military engineering, and entertainment design for movies or video games. It is also compatible with other industries such as the oil and gas industry due to its high degree of accuracy in comparison to hand calculations or physical prototypes.

   Autodesk CFD can be used by individuals or teams that do not have the necessary skills in fluid dynamics development in order to produce accurate results in less time. Nevertheless, it should be noted that this program does require expertise in geometry modeling and physics-based simulation tools. Maintenance and support for this program are performed by the Autodesk CFD customer support team and are available exclusively through the company website. The Autodesk CFD software includes a set of pre-built libraries that allow engineers and analysts to simulate flow over various surfaces such as flat, curved, and compound surfaces.

   Additional pre-built geometry libraries are also provided for simulating various types of mesh elements such as rectangular meshes, triangular meshes, parallelepipeds, cylinders, cones, discs, and wedges. The tool supports 3D meshes with up to 2 million nodes and 48 million elements for simulations with very high accuracy. All in all, Autodesk CFD is a great tool that you can consider among its alternatives.

   Autodesk CFD alternatives
4. 4
   
   CFD ModulePaid

   CFD module is a software for simulating fluid flow applications. Fluid flow is an essential component of many engineering disciplines like civil engineering, mechanical engineering, aerospace and naval engineering, and environmental science. This simulation software helps simulate various fluid flow phenomena, such as air or gas dynamic flows, heat or mass transfer processes, and shocks in the pipeline.

   With the CFD Module, you can save a huge amount of research and development time and money by reducing the total solution time from your computer to a couple of days. It can simulate jet airflow, hot airflow, water current flows, streamflow, and gas flows in pipes, batteries, tank walls, etc. The simulations can be run at real-time rates or at real-time rates that allow for the proper evaluation of parameters ahead of time. All in all, the CFD module is a great tool that you can consider among its alternatives.

   CFD Module alternatives
5. 5
   
   SimcenterPaid

   Simcenter analysis software is designed to provide simulation, review, and analysis of complex systems in a matter of minutes. You can use this tool for risk analysis before creating a design model. Various functions can be created, including process design, risk analysis, performance testing, mechanical design, fluid flow modeling, and verification. It allows you to model very complex physical processes with detailed accuracy without difficulty

   Structures can be analyzed under static loading along with dynamic loading such as wind loads, seismic loads, etc. The finite Element Method allows nonlinear interactions among systems to be modeled accurately. All in all, Simcenter is a great tool that you can consider among its alternatives.

   Simcenter alternatives
6. 6
   
   FlowsquareFree

   Flowsquare is a two-dimensional CFD software that you can use to simulate unsteady, non-reactive, or even reactive flow systems. It provides accurate solutions of the 2nd order Reynolds equation with both turbulent and laminar boundary layers. Coupling of the Navier-Stokes equations for incompressible flow with an Eulerian description of compressible flow is also possible with this tool.

   The calculation domain can be either rectangular or cylindrical geometry, including axisymmetric cases. The solution method consists in approximating the pressure gradient term by finite difference schemes based on central differences or upwind differencing methods. An upwind scheme is used to compute the convective term.

   Turbulence modeling can be represented by several turbulence closures, including the modified beta formulation with Reynolds stress transport, Launder-Sharma model, or the standard Reynolds stress model. Flowsquare can use pre-and post-processing software to perform data visualization for 2D/3D data sets. You can use this software as an individual, in educational institutes, or in companies for a variety of purposes. All in all, Flowsquare is a great tool that you can consider among its alternatives.

   Flowsquare alternatives
7. 7
   
   ParaViewPaid

   ParaView is an open-source data analysis and simulation software. It has many useful functions that allow you to visualize large datasets, with support for static images as well as animations. There are four major features, including Plotting, Analysis Tools, Visualization Tools, and Data Management Tools.

   The fourth component of ParaView is the programming interface which allows developers to integrate their own applications with the system’s graphical abilities. The tool is made up of a framework for data analysis on UNIX platforms and an extended set of graphics tools called X3D on Windows platforms. ParaView is effective for visualizing any type of data, but it is especially useful for big data analysis.

   This includes analysis of large numbers of points, surfaces, or volumes. It has the ability to manipulate large amounts of data quickly and accurately, which can be used in fields such as medical imaging. For example, you can visualize PET scan images with tens of millions of pixels) to look for tumors or other abnormalities. All in all, ParaView is a great tool that you can consider among its alternatives.

   ParaView alternatives
8. 8
   
   SimFlow CFDFreemium

   SimFlow CFD is a software for Computational Fluid Dynamics that you can use in engineering, science, and various other fields. It provides engineers the power to build simulations that reflect real-world conditions. The tool includes specialized methods of solving many equations and eliminates the need for engineers to manually calculate models in order to achieve stable simulation results.

   SimFlow CFD is designed with features such as speed and ease of use in mind so you can get started without having any prior knowledge or experience in computational fluid dynamics or fluid mechanics. This program is used for the simulation of turbulence, free-surface flows, heat transfer, and many other aspects of fluid dynamics. It also has the ability to solve more than 150 equations for use in fluid flow simulation models.

   It can also easily model a wide range of physical phenomena such as gravity, buoyancy, Newton’s laws of motion, and other physics laws. SimFlow works by converting each equation into a computational object which can be solved by the C++ application. The software automatically calculates all numerical solutions without the human intervention required to complete calculations. All in all, SimFlow CFD is a great tool that you can consider among its alternatives.

   SimFlow CFD alternatives
9. 9
   
   ANSYS FluentPaid

   ANSYS Fluent is an industry-leading fluid simulation software that is best known for its pioneer physics modeling abilities and industry-leading accuracy. It gives you more time to innovate and optimize product performance. Trust in simulation results with software that has been rigorously validated across a wide range of applications. With this application, you can create advanced physics models and analyze various fluid phenomena all in a customizable and intuitive environment.

   Efficiently simulate splitting, pooling, and thinning of multiphase flows with automatic transitions between models including DPM, VOF, EWF, and LWF. For effusion cooling of the combustion lining, the perforated wall model simulates thousands of holes without having to plug in each hole. The platform has major enhancements for accurate acoustics modeling. It accurately predicts vehicle noise levels by combining Fluent aeroacoustics with ANSYS Mechanical Acoustics. Ansys VRXPERIENCE sonic tools are available in Fluent for processing aeroacoustics CFD results. Simulate sound-absorbing walls and enhance designs by identifying local noise sources.

   The salient features of the platform include Task-based Workflows, Expressions, Overset Mesh, Turbulence Modeling, Acoustics, Conjugate Heat Transfer, Single & Multiple Flows, Combustion, Fluid-Structure Interaction, Reduced Order Models, Shape Optimization, HPC, Overset Meshing, New Ansys Fluent License, High Speed Flows, Advanced Physics Modeling, Acoustics Advancements, and Productivity Enhancements.

   ANSYS Fluent alternatives
10. 10
    
    Simscale CFDPaid

    SimScale CFD is a cloud-based leading CAE platform that offers access to CFD, FEA, and thermodynamics simulation capabilities 100% via a standard web browser. By providing instant access to Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA), it has moved high-fidelity physics simulation technology from a sophisticated, low-cost desktop application available only to experts in large companies, to a user-friendly web application accessible to any designer and engineer worldwide through a pay-as-you-go pricing model.

    Leveraging the power of the cloud for simulation, it is available from a standard web browser and any computer, removing the barriers that come with traditional simulation tools like high installation costs, license fees, HPC deployment, necessary updates, and maintenance. Founded in 2012 and based in Munich and Boston, the platform is an integral part of the design validation process for thousands of successful companies worldwide and over 150,000 individual users across industries ranging from AEC and HVAC to electronics, consumer products, automotive, and aerospace industry.

    Simscale CFD alternatives
11. 11
    
    Autodesk Fluid FlowPaid

    Autodesk Fluid Flow is an industry-leading fluid dynamics software that helps to enhance product performance and reliability. The software predicts fluid rates, pressure drops, and turbulence which are some of the factors that are challenging to be measured during the designing process. Determining these performance indicators with the use of CFD simulation enables engineers and designers to explore more ideas and opt for better decisions.

    High-performance and reliable products speak for themselves and can help your business. Products such as pumps, valves, heat exchangers, nozzles, and metering devices depend on fluid flow characteristics to determine their success. Engineers need to find the right balance between cost, performance, and reliability while working with a limited amount of time. For this, engineers must explore more ideas during design.

    Many different factors play a role in fluid flow applications as designs are complex. The use of computational fluid dynamics (CFD) enables users to simulate product performance over a wide range of operating conditions. This gives engineers insight into the pressure, flow, and thermal performance of their products to ensure performance and reliability.

    Autodesk Fluid Flow alternatives
12. 12
    
    CFDToolPaid

    CFDTool is a computational fluid dynamics or CFD software toolbox for simulation and modeling of fluid flows with dynamics of heat transfer. An intuitive graphical interface allows you to start modeling right away without wasting time learning a complex solver or programming syntax. Non-linear expressions and coefficients can be defined and entered in the same way as written on paper.

    Unique solver integration allows you to define your model once and then use any and all CFD solvers interchangeably, which can be invaluable for testing and validation. It is suitable for everyone, from students and newbies learning the basics of fluid dynamics and/or heat transfer modeling to researchers and engineers who can save a lot of time by eliminating the need to manually configure solvers and simulation problems.

    CFDTool alternatives
13. 13
    
    FEATool MultiphysicsPaid

    FEATool Multiphysics is a highly flexible and easy-to-use physics and finite element FEM simulation toolbox for MATLAB. It is a fully integrated toolbox for modeling and simulation of coupled physics phenomena, continuum mechanics, partial differential equations PDE, and engineering problems.

    The platform strives to provide a truly easy-to-use and comprehensive integrated modeling platform for all types of Multiphysics analysis. Combining the best of intuitive usability, extensibility, and customization options such as Graphical User Interface (GUI), Built-in geometry and CAD modeling tools, Automatic mesh and meshing, Post-processing and rendering, Fully programmable and scriptable all that makes the right modeling and simulation tool for everyone from mathematical modeling students to researchers and engineers looking to explore new ideas in an easy, fast and convenient way.

    FEATool Multiphysics alternatives
14. 14
    
    FEATFLOWPaid

    FeatFlow (Finite Element Analysis Toolbox for Flow) is Fortran’s finite element CFD code that uses very efficient FEM sampling along with a geometric multigrid approach to solving linear systems. This results in a very fast and computationally efficient solver, which usually provides a significant or greater speedup than commercially available solvers. It can be used from MATLAB with the platform’s Multiphysics GUI.

    It proposes a new end-to-end learning framework that predicts scene dense flow and platform ego movement by establishing an efficient geometric match from successive point clouds. It introduces a new scoring layer and a score-weighted loss of alignment function. Their combination effectively forces the model to learn distinctive cue point detectors and consistent function descriptors. In popular scene flow datasets (FlyingThings3D and KITTI Scene Flow), its framework vastly outperforms all modern scene flow estimation methods. On popular real-life LiDAR datasets (Oxford RobotCar and KITTI Odometry), its structure also yields pairwise scan matching results comparable to modern ones.

    FEATFLOW alternatives
15. 15
    
    COSMOSWorksPaid

    COSMOSWorks is an application that provides simple and accurate design analysis that leads to better products, giving designers a safety net to spot errors. Designers can innovate with the confidence that they won’t make costly mistakes in the future. Full integration with SolidWorks means that its users can perform design analysis, modeling, and optimization directly from the SolidWorks user interface.

    The platform provides faster, less costly, and streamlined product development and deeper insight into product characteristics than ever possible with even the most detailed prototypes. For designers and engineers looking to improve product quality, it contains the most used analysis capabilities in the industry. The platform makes it easy to go beyond simple manual calculations, testing your intuition while studying the real characteristics of various structures alternatives without leaving the SolidWorks window.

    COSMOSWorks alternatives
16. 16
    
    Ingrid CloudPaid

    Ingrid Cloud is a wind simulation software and service. It is cloud-based and fully automated. It is an easy-to-use platform based on scientifically validated computational fluid dynamics (CFD) code, providing robust simulations to guide, optimize, and validate all stages of design. It applies Implicit Large Eddy Simulation (LES) to all simulations and solves them with some of the fastest HPC or high-performance computing resources in the world.

    This automated cloud-based solution improves accuracy, flexibility, and cost-effectiveness in flow simulation. The solution’s affordability and ease of use allow designers and architects to accelerate and improve their designs with no prior knowledge of computational fluid dynamics (CFD) or modeling. It also contains built-in functionality that allows users to include trees in their Wind Comfort simulations. Trees are modeled as a porous medium and its LES solver automatically refines the mesh, generating visualizations for pedestrian comfort and wind effects.

    Ingrid Cloud alternatives
17. 17
    
    ANSYS AIMPaid

    ANSYS AIM is a simulation tool that dramatically reduces the time to set up and run engineering simulations with an intuitive user interface and guided simulation workflows. Templates guide engineers through the entire modeling process and automate many of the routine steps. Less time is spent on training or retraining, and more time is spent on production. The platform enables you to adapt modeling processes and use best practices to ensure consistency and accuracy. Custom physical objects and loads can be used to tailor the simulation definition to specific needs. Any simulation can be used as the basis for a custom template that can be reproduced on any model.

    The salient features of the platform include Perform fluid simulations (reducing pressure drop, calculating lift and drag coefficients, estimating fluid loads, and predicting flow behavior), analyze static deflections and stresses for complex parts and assemblies, which can include nonlinear contact, structural connections, and large deflections, Determine the natural frequencies and vibration characteristics of the product to understand its durability and longevity.

    ANSYS AIM alternatives
18. 18
    
    midas NFXPaid

    Midas NFX is a fluid dynamics software and is a high-performance finite element preprocessor that provides a highly interactive and visual environment for analyzing product design performance. It provides users with an advanced set of easy-to-use tools for creating and editing CAE models. To create 2D and 3D models, users have access to various meshing options as well as the powerful automatic meshing functions of the platform.

    The platform also provides comprehensive solutions from high-quality structural analysis functions such as contact analysis, nonlinear analysis, explicit dynamic analysis, and fatigue analysis, in addition to high-quality fluid analysis functions such as moving mesh, free surface analysis, and mass transfer analysis. The salient features of the platform include Modern & Responsive GUI, Linear and Nonlinear Static, Linear & Nonlinear Dynamic, Thermal Simulation, Optimization, CFD Analysis, Joule Heating, and Multi-body Analysis.

    midas NFX alternatives
19. 19
    
    Code_SaturnePaid

    Code_Saturne is free and open-source software developed and released by EDF for solving computational fluid dynamics (CFD) applications. It solves the Navier-Stokes equations for 2D, 2D axisymmetric, and 3D flows, stationary or unsteady, laminar or turbulent, incompressible or weakly expandable, isothermal or not, with the scalar transfer if required.

    Several turbulence models are available, from Reynolds averaged models to large-eddy simulation models. In addition, several specific physical models are also available as modules like combustion of gas, coal, and fuel oil, translucent radiation transfer, particle tracking using Lagrangian modeling, Joule effect, electric arcs, weakly compressible flows, atmospheric flows. , the interaction of the rotor and stator for hydraulic machines.

    Code_Saturne alternatives
20. 20
    
    SU2

    SU2 is an open-source set of software tools written in C ++ for numerically solving partial differential equations (PDEs) and performing constrained PDE optimizations. The main applications are computational fluid dynamics and aerodynamic shape optimization, but these have been extended to handle more general equations such as electrodynamics and reactive fluxes. It supports continuous and discrete conjugation to compute scalar field sensitivity and gradients.

    Computational analysis tools have revolutionized the way engineering systems are designed, but most of the installed codes are proprietary, unavailable, or prohibitively expensive for many users. The team of the platform is changing this position by making Multiphysics analysis and design optimization software free involving everyone in its creation and development.

    SU2 alternatives
21. 21
    
    Elmer FEMPaid

    Elmer FEM is a finite element program for numerically solving partial differential equations. Elmer can handle any number of equations and is therefore ideal for simulating Multiphysics problems. It includes models of, for example, structural mechanics, fluid dynamics, heat transfer, and electromagnetism. Users can also write their own equations, which can be dynamically linked to the main program.

    Elmer is composed of several parts. The most important of these are ElmerSolver, a finite element solver, ElmerGUI, a graphical user interface, and ElmerGrid, a tool for creating and manipulating meshes. Also included in the package is the ElmerPost rendering tool, but it is no longer being developed.

    Elmer FEM alternatives
22. 22
    
    Aertia COSMOSWorksPaid

    COSMOSWorks is an application that provides easy-to-use yet powerful design review and optimization tools for both designers and engineers. It provides faster, less costly, and streamlined product development and deeper insight into product characteristics than ever possible with even the most detailed prototypes. The original SolidWorks design validation solution is better than ever. It is fast, powerful, and accurate design analysis in the same interface you already use every day. Currently, over 16,000 companies across a wide range of industries use this platform to improve design quality, prevent breakdowns, reduce material costs and reduce time-to-market.

    Aertia COSMOSWorks alternatives
23. 23
    
    SIMULIA XFlow CFDPaid

    XFlow is a fluids simulation software to improve the real-world performance of the industries. In today’s competitive world of product innovation, industries require complex modeling of the real behavior of their products under extreme conditions, for example, off-road vehicles, transmission lubrication, and critical flight maneuvers. It offers particle-based Boltzmann grid technology for high-precision computational fluid dynamics (CFD) applications as part of the SIMULIA portfolio for fluid modeling.

    The state-of-the-art technology of the platform enables users to solve complex CFD workflows, including the simulation of high-frequency transients with real moving geometries, complex multiphase flows, free-surface flows, and fluid-structure interactions. Automatic lattice generation and adaptive refinement capabilities minimize user input, reducing time and effort during meshing and preprocessing. This allows engineers to focus most of their efforts on iteration and design optimization.

    When approaching the platform’s sampling, surface complexity is also not a limiting factor. The base lattice can be controlled with a small set of parameters, the grille is tolerant of the quality of the input geometry and adapts to the presence of moving parts. Advanced visualization capabilities provide realistic visualizations for a deeper understanding of flow and temperature characteristics. Its unique capabilities enable companies to reduce physical testing and accelerate better design decisions.

    SIMULIA XFlow CFD alternatives
24. 24
    
    Ansys 3D SimulationPaid

    ANSYS 3D design tools enable engineering teams to dramatically increase productivity, drive innovation, and accelerate time-to-market. 3D design software enables your team to make smarter, faster decisions by reducing product development costs and improving workflows. ANSYS enables you to create market-leading products while allowing for real-world behavior with fewer prototypes. The tool offers an intuitive and extremely fast user interface built for design workflows. Teams can create more designs in less time, provide rapid design learning, and provide insight into actual product performance. Real-time physics simulation and highly accurate simulation are combined in a single user-friendly interface, allowing engineers to easily evaluate feedback on design changes.

    Ansys 3D Simulation alternatives