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Start with the right partner.

We've been helping visionaries like you solve the most complex computing problems for over four decades.


Together for almost 20 years, Altair and Cray provide the market-leading HPC hardware+software solution required to optimize performance for compute-intensive work. With Cray systems running Altair software, companies gain the highest levels of scalability, speed and efficiency.

Altair empowers client innovation and decision-making through technology that optimizes the analysis, management and visualization of business and engineering information. Altair is the only company to create HPC solvers and simulation applications (Altair HyperWorks®), deliver HPC management tools (Altair PBS Works™), and use these applications and tools to solve real HPC issues. With a track record for high-end software and consulting services for engineering, computing and enterprise analytics, Altair consistently delivers a competitive advantage to customers in a broad range of industries.

Design the Difference with Altair


A workload manager and job scheduler for high-performance computing (HPC) environments, used to improve productivity, optimize resource utilization and efficiency, and simplify the process of cluster workload management. Proven for over 20 years at thousands of sites, PBS Professional is one of the most widely used workload mangers, capable of meeting very complex requirements from environments of any scale.

A Leading computational fluid dynamics (CFD) flow solver with superior robustness, speed, and accuracy. Applications range from steady RANS simulations to complex, transient, multiphysics simulations.

A market-leading finite element preprocessor that prepares even the largest models, starting from import of CAD geometry to exporting an analysis run for various disciplines. HyperMesh offers the biggest variety of solid meshing capabilities in the market, including domain-specific methods such as SPH, NVH and CFD meshing, with broad interfaces to commercial CAD/CAE systems.

An award-winning structural analysis solver for linear and nonlinear structural problems under static and dynamic loadings. Based on finite-element and multibody dynamics technology, and using advanced analysis and optimization algorithms, OptiStruct helps designers and engineers rapidly develop innovative, lightweight and structurally efficient designs.

A finite element structural analysis solver for linear and nonlinear analysis, including highly nonlinear problems under dynamic loadings. For over 20 years, Radioss has been a leader and an industry standard in automotive crash and impact analysis. It is used across multiple industries to improve the crashworthiness, safety and manufacturability of structural designs. Radioss enables multiphysics simulation and accommodates advanced materials.

A comprehensive electromagnetic simulation software tool based on state-of-the-art computational electromagnetic (EM) techniques, allowing users to solve a wide range of electromagnetic problems. In particular, Feko’s unique combination of multilevel fast multipole method and high-frequency techniques allow the efficient analysis of a wide range of EM problems in realistic operating environments.

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