
Add-on modules
Expand Your Simulation Capabilities with Advanced Add-On Modules
Take your fluid dynamic and transient analyses further with our specialized add-on modules. Engineered to seamlessly integrate with your existing simulation software, these modules extend your core analytical capabilities to solve complex engineering challenges. Whether you need to automate multi-variable design optimization, model dynamic, time-dependent system behavior, analyze settling slurry transport, or automatically size piping networks for minimum cost, our advanced add-ons eliminate manual iteration and streamline your workflow.
Fathom add-on Modules
Fathom has several Add-on Modules that extend modeling capabilities, which can be used individually or combined.

Extended Time Simulation (XTS) module
The Extended Time Simulation (XTS) module for modeling time varying system behavior.
- Pump starting and stopping over time
- Valve opening and closing over time
- Tank liquid level changes automatically calculated
Goal Seek & Control (GSC) module
Allows the engineer to perform multi-variable goal seeking and simulate control system functions.
- Boosts productivity by significantly reducing the number of iterations
- Enables the exploration of a wider range of possibilities to identify the ideal scenario
Settling Slurry (SSL) module
Allows the engineer to perform the complex property and system interaction calculations associated with settling slurry flows.
- Modeling of homogeneous and pseudo-homogeneous slurry mixtures
- Slurry pump performance derating
Arrow add-on Modules
Arrow has two add-on modules which extend its already extensive modeling capabilities into new areas.

Goal Seek & Control (GSC) module
Allows the engineer to perform multi-variable goal seeking and simulate control system functions.
Extended Time Simulation (XTS) module
The Extended Time Simulation (XTS) module for modeling time varying system behavior.
Impulse add-on Modules
Impulse has two add-on modules that extend modeling capabilities.

Pulsation Frequency Analysis (PFA)
Pulsation Frequency Analysis (PFA) allows the engineer to study the pressure pulsation effects a positive displacement pump has on a system.
- Predict resonant frequencies
- Graphically show the frequency response of a system
- Examine the pressure response of a system when a positive displacement pump is
- running at a resonant frequency
- Ensure the pressure pulsation magnitudes comply with the API-674 standard
Settling Slurry (SSL)
Settling Slurry (SSL) allows the engineer to perform waterhammer analysis while accounting for the complex property and system interactions associated with slurry flows.
- Model homogeneous and pseudo-homogeneous slurry mixtures
- Slurry pump performance derating
xStream add-on Modules
xStream has one add-on module that extend smodeling capabilities, th e Pulsation Frequency Analysis Module.

Pulsation Frequency Analysis (PFA)
Pulsation Frequency Analysis (PFA) allows the engineer to predict resonant frequencies in the system and graphically show the frequency response of a system.