Introduction
About this manual
How to use this manual
1
Overview
1.1
Context
1.2
Features
1.3
Configurations
1.4
Science
1.5
Versioning
1.6
Support
1.6.1
Tutorial models
1.6.2
Demonstration Models
2
Architecture
2.1
Context
2.2
Intention
2.3
Core architecture
2.3.1
Execution coordination
3
Process descriptions
3.1
Geolocation
3.2
Pollutant export
3.2.1
Constant
3.2.2
Timeseries
3.2.3
Material based export
3.3
Interventions
3.3.1
Mass removal
3.4
Non-hydrologic surface loads
4
Simulation construction
4.1
Context
4.2
Usage intent
4.3
Initialisation
4.4
General arrangement
4.4.1
Folder structure
4.4.2
Intended workflow
4.5
TUFLOW CATCH control file
4.5.1
Global commands
4.5.2
Catchment hydraulic model (TUFLOW HPC) commands
4.5.3
Catchment pollutant export model
4.5.4
Receiving model (TUFLOW FV) commands
4.6
Construction summary
4.6.1
Supported configurations
4.6.2
Other configurations
5
Simulation execution
5.1
Context
5.2
Execution
6
Outputs
6.1
Context
6.2
Core supported configurations
6.2.1
Hydrology
6.2.2
Pollutant export
6.2.3
Integrated
6.3
Check files
6.4
Other outputs
Appendix
A
Commands
Command syntax
Argument syntax
Commands
B
Parameters
C
Files and data fields
C.1
Surface water concentrations
C.2
Groundwater concentrations
C.3
Dry mass
C.4
Net mass
C.5
Instantaneous volumetric flux entering a groundwater layer
C.6
Time integrated volumetric flux entering a groundwater layer
C.7
Instantaneous mass flux entering a groundwater layer
C.8
Time integrated mass flux entering a groundwater layer
C.9
Other outputs
C.9.1
Mass balance
C.9.2
Receiving polygon
C.9.3
TUFLOW FV boundaries
D
Demonstration model
D.1
Context
D.2
Domain
D.3
Numerical models
D.3.1
TUFLOW HPC
D.3.2
Pollutant export
D.3.3
TUFLOW FV
D.4
Simulation suite
D.5
Downloads
D.5.1
Binaries
D.5.2
Simulation files
D.6
Execution
D.7
Results interrogation
D.7.1
Example json file creation
D.7.2
Example results
D.8
Mass balance - Base Case
D.8.1
Concept
D.8.2
Configuration
D.8.3
Method
D.8.4
Results
D.9
Mass balance - Interventions
D.9.1
Concept
D.9.2
Configuration
D.9.3
Method
D.9.4
Results
D.10
Mass balance - Groundwater
D.10.1
Concept
D.10.2
Configuration
D.10.3
Method
D.10.4
Results
E
Application under version control
E.1
Context
E.2
Use case
E.3
Possible workflow #1
E.4
Possible workflow #2
TUFLOW CATCH User Manual Release Candidate 2025.2
Section 5
Simulation execution
5
Simulation execution
5.1
Context
5.2
Execution