Altair HyperStudy 2025 Release Notes

New Features

Leverage accuracy metrics as responses

HyperStudy Pyfit model now provides an option to include fit metrics as conventional responses. This allows monitoring accuracy and applying objectives which is useful in fit-based optimization approaches.

Deploy PhysicsAI model as solver

A new extension tool to auto-register trained PhysicsAI models as solvers.

Enhancements

• Perform trade-off studies following input variable formats
• Tutorial HS-1100, Setting Up Existing Data Model
• Tutorial HS-1695, Using Hooks in PhysicsAI Model

Resolved Issues

• Using labels instead of model parameters in hst_output.hstp files no longer prevents extracting values of different outputs with same labels.
• Hidden or shown tabs no longer restore to default after reopening the application.

Announcements

• Data Source tool, Hstp Reader, has been deprecated and the updater will convert it to XML reader tool. Please use deprecate flag with 8319 to restore the tool.
• “setDirectory” and “setFileHint” python functions have been removed from External Optimizer API. They have been replaced with getResourcePath(type: RESOURCE_TYPE)-> str on the setup class using the resource types RESOURCE_TYPE_WORK_DIRECTORY and RESOURCE_TYPE_FILE_HINT.