TwinMesh 2025: Hex-Mesh Generation for Rotary PD Machines

TwinMesh 2025 is the latest version of CFX Berlin Software's specialized meshing tool for CFD simulation of rotary positive displacement machines, released November 2024 .

Key New Features

XML Geometry Settings Exchange

Export and import geometry project settings via XML files; enables integration with external tools like Rotor Design Solutions (RDS) for seamless design-to-mesh workflows .

Extended Command Line Arguments

Start TwinMesh with predefined machine types, import geometry files, or use settings XML files for automated simulation workflows .

AutoNode Tool for Screw Vacuum Pumps

Beta feature that automates mesh settings for highly twisted rotors; calculates node/element counts based on geometry and angle step .

Simcenter STAR-CCM+ Integration

Enhanced solver settings export for numerical stability and reliability; complete ready-to-run setup generation .

Workflow Improvements

• Tabulated input supports copy/paste from Excel

• 2D quality calculation displays results during computation

• Geometry points assignable to mesh sections for sharp edges