Submitted by jack on
Version 2.8 (build 2026-q4-cf2d17d) of the unstructured flow solver Arion is available for download.
Major features/changes/fixes in this release (relevant directive or option in parentheses):
Static Aeroelasticity
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Added static aeroelasticity capability (keyword: 'aeroelasticity')
Volumetric User Source
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Added an option to specify a user-defined volumetric source through an external library. (keyword: 'user.source')
Mass Flow Inlet
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Added a new boundary condition for specifying the mass flow rate at an inlet. (keyword: 'mass.flow.inlet')
Heavy Gas Model
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For non-equilibrium chemistry, added an option to include condensed species and phase transitions between them. (keyword: 'phase.transition')
Miscellaneous
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- Added the TNT-XLES hybrid RANS/LES turbulence model (keyword: 'xles')
- Added an option to specify a combination of Mach number, Reynolds number, and temperature from the input file. (keyword: 'Reynolds')
- Added options to output the gas heat capacity ratio and gas constant. (keywords: 'eos.gamma', 'eos.R')
- Added an option to use Cantera's internal equilibrium solver. (keyword: 'eq.engine')
- Added the new 'mlp.pw' limiter for improved convergence. (keyword: 'mlp')
Fixes
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Fixed a bug where using thermal properties from a Cantera file caused the chemical equilibrium tabulation process to fail. (keywords: 'thrm', 'cantera')
Please refer to the User’s Manual and the command-line help for additional information.
Updated licenses will be available via regular distribution channels (upload/downoad facilities)
The relevant files are available for download from our website on the Arion downloads page.
