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What's New
Here’s a quick look at the latest features available with Altair Material Modeler.
Release Notes 2025.0
The release notes provide details about the new features and enhancements in AMM 2025.0
Resolved Issues
This release introduces enhancements to fitting tools, improved API support, and new solver integrations to streamline material modeling workflows:

Welcome
Altair Material Modeler
Generating accurate material properties can be a time-consuming process, Altair Material Modeler (AMM) is a sophisticated modeling software that efficiently processes material data from testing to generate simulation-ready material cards for analyzing the nonlinear behavior of bulk materials as well as the various physical properties of materials, such as polymers and elastomers, used in the manufacture of modern products.
What's New
Here’s a quick look at the latest features available with Altair Material Modeler.
- Release Notes 2025.0
  The release notes provide details about the new features and enhancements in AMM 2025.0
  - Resolved Issues
    This release introduces enhancements to fitting tools, improved API support, and new solver integrations to streamline material modeling workflows:
  - Known Issues
    This section outlines current limitations and areas for improvement identified in this release:
- Release Notes 2023.0
  The release notes provide details about the new features and enhancements in AMM 2023.0
Tutorials
Discover the features of Altair Material Modeler with interactive tutorials.
Elastoplastic Material Modeling
This chapter provides information from preparing data to generating a material card.
Multi-Physics Material Modeling
Altair Material Modeler is a collection of data fitting tools for polymers in a single cohesive studio environment with a workflow designed around using the results for various manufacturing and structural simulations including injection molding, extrusion, temperature-dependent structural simulation, short fiber multiscale modeling, and hyperelastics.
Shear Viscosity

Resolved Issues

This release introduces enhancements to fitting tools, improved API support, and new solver integrations to streamline material modeling workflows:

Viscosity and pvT Fitting Tools

Summary: Added visualization plots for viscosity and pressure-volume-temperature (pvT) fitting, providing clearer insights into model accuracy and behavior.

Poisson Ratio Fitting

Summary: Cross-Correlation Plots, new tools to visualize and validate the correlation between Poisson ratio and related material properties during fitting processes.

Automated Multiscale Designer for Short Fiber Composites

Summary:

Automated workflows for short fiber composite fitting, enabling faster and more accurate characterization.
Support for MDS Python API: Leverage the new API to integrate and automate multiscale design tasks in Python-based workflows.

Solver Integration Enhancements

Radioss Support: Introduction of compatibility with MAT LAW (specific law details to be confirmed).
OptiStruct Card Creation: Seamless generation of MATMDS cards for efficient solver setup and execution.