CREATEROMFIELDS(1)

🦋 CREATEROMFIELDS(1) 🦋

okay so this is the createROMfields(1) page from the OpenFOAM Commands Manual, and it's giving “create fields from ROM data without running CFD” main-character energy. Bestie, let's go 💅✨

🌸 NAME 🌸

createROMfields — part of OpenFOAM (The Open Source CFD Toolbox). Short, sweet, iconic. 🎀

🌈 SYNOPSIS 🌈

createROMfields [OPTIONS]

💖 DESCRIPTION 💖

createROMfields creates fields using reduced-order modelling (ROM) data at specific time instants, and it does it without requiring any CFD computations. Literally no CFD computations needed, bestie — just fields from ROM data at the time instants. Slay. ✨

✨ OPTIONS ✨

• -case dir — Case directory (instead of current directory) 🗂️
• -decomposeParDict file — Alternative decomposePar dictionary file 📄
• -dict file — Alternative dictionary for ROMfieldsDict 📚
• -latestTime — Select the latest time ⏰
• -parallel — Run in parallel [Parallel option] 🌀
• -region name — Specify mesh region (default: region0) 🗺️
• -time ranges — List of ranges. Eg, ':10,20 40:70 1000:', 'none', etc ⏳
• -doc — Display documentation in browser 🌐
• -help — Display short help and exit 🆘
• -help-full — Display full help and exit 🆘✨

💅 ADVANCED OPTIONS 💅

• -debug-switch name=val — Set named DebugSwitch (default value: 1). [Can be used multiple times] 🔧
• -fileHandler handler — Override the file handler type 🗃️
• -hostRoots ((host1 dir1) .. (hostN dirN)) — Per-subprocess root directories for distributed running. The host specification can be a regex. [Parallel option] 🌐
• -info-switch name=val — Set named InfoSwitch (default value: 1). [Can be used multiple times] ℹ️
• -lib name — Additional library or library list to load. [Can be used multiple times] 📚
• -mpi-no-comm-dup — Disable initial MPI_Comm_dup() 🚫
• -mpi-split-by-appnum — Split world communicator based on the APPNUM 🧩
• -mpi-threads — Request use of MPI threads 🧵
• -no-libs — Disable use of the controlDict 'libs' entry 🚫📚
• -opt-switch name=val — Set named OptimisationSwitch (default value: 1). [Can be used multiple times] ⚙️
• -roots (dir1 .. dirN) — Subprocess root directories for distributed running [Parallel option] 📁
• -doc-source — Display source code in browser 🧾
• -help-compat — Display compatibility options and exit 🆘
• -help-man — Display full help (manpage format) and exit 🆘📖
• -help-notes — Display help notes (description) and exit 🆘📝

🫶 COMPATIBILITY OPTIONS 🫶

• -noFunctionObjects — This option is ignored. (Yes, literally ignored — she said what she said. 💀)

🌈 SEE ALSO 🌈

Online documentation: https://www.openfoam.com/documentation/ 🫶

👑 COPYRIGHT 👑

Copyright © 2018-2025 OpenCFD Ltd. 🎀

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xoxo, your OpenFOAM bestie 💖 footer sign-off: www.openfoam.com · OpenFOAM-v2512 · CREATEROMFIELDS(1) 🎀✨