Molflow documentation

10-minute quick start guide

Good for beginners, walks you through the basics of creating a simple geometry and extracting results.

Webinar (new)

Series of narrated screen recordings walking you through Molflow's features

The algorithm behind Molflow 2.6+

Contains additional information of how pressure is calculated, and how the time-dependent mode works

Old user guide for Molflow 2.4

​More detailed description from the user's point of view. Written in 2013, the screenshots are somewhat outdated

Molflow CLI Documentation

Documentation for the Command Line Interface application that launched with Molflow 2.9.0

Designing geometries for Molflow

Tips on the basics and tutorials for Spaceclaim and Inventor

TE-VSC simulation knowledge base (CERN internal)

Material data, availibility of software and general tips

Changelog

Documents what's new

Tutorials

IUVSTA20 lecture and tutorial (sep 2023)

JUAS 2024 Tutorial (2022, 2021, 2020)

SOLEIL 2021 Tutorial

Practical days for eight student of the Joint University Accelerator Course

Molflow for sputtering simulations

Training for CERN's chemistry team, using Molflow for coating profiles

External: AIS - Molflow simulation of a high vacuum diffusion pump assembly

An excellent tutorial by AIS shared with the public

External: AIS - Molflow simulation of a small scale multipurpose high vacuum chamber

Another excellent tutorial with simulation files available for download

ALS 2019 Tutorial​

CERN Accelerator School 2017 tutorial

Contains two steady-state simulations: one guiding through simple pumping speed estimation (through manual calculation, formulas, profiles and textures) and one applying these methods on a fictional accelerator part.

61st AVS Synopsium tutorial

​Contains two step-by-step guides to setting up a basic, then a time-dependent example.

KEK seminar on the 26th of November 2014

​Contains the source files and a step-by-step video of a simple RF cavity pressure calculation

Molflow online help

Getting started with Molflow

Creating Molflow geometries

Interface

Camera controls

Selecting facets / vertices

Facet parameters panel

Simulation panel

Viewer options

Menus

File

Selection

Tools

Facet

Vertex

Dialogs

Profile plotter

Texture plotter

Histogram plotter

Convergence plotter

Texture scaling

3D Viewer settings

Collapse dialog

Facet align

Facet rotation

Creating outgassing maps

Facet selection groups

Global settings

Functions

Superstructures

Periodic BCs (Teleport)

Updater tool

Autosave

7-zip compression (GEO7Z format)

Angle maps

Measuring molecular forces

Collisions with background gas

Hints

When particles get stuck in your geometry

Time-dependent mode

Time-dependent mode basics

Coupled SR/vacuum simulation

Coupled Synrad/Molflow simulations