nanoFluidX

2022.2

Home
Theory Manual
Physics and theory for nanoFluidX.
Physics

What's New
Overview
Video Tutorials
Pre-processing with SimLab
Run nanoFluidX
Post-processing with ParaView
Simulation Guidance
Command Reference
Theory Manual
Validation Cases
Performance Benchmarks
Error and Warning Messages
Frequently Asked Questions
Bibliography

Index

2022.2

nanoFluidX

What's New
View new features for nanoFluidX 2022.2.
Overview
nanoFluidX is a software to simulate single and multi-phase flows based on the Lagrangian Particle Method Smoothed Particle Hydrodynamics (SPH).
Video Tutorials
Discover nanoFluidX functionality with interactive tutorials.
Pre-processing with SimLab
Create a nanoFluidX model using SimLab.
Run nanoFluidX
How to run a nanoFluidX model.
Post-processing with ParaView
How to post-process nanoFluidX results using ParaView.
Simulation Guidance
Guidance on modeling specific usecases with nanoFluidX.
Command Reference
nanoFluidX commands and parameters with examples.
Theory Manual
Physics and theory for nanoFluidX.
- Physics
  - Body Force
    The body force, defined through acceleration in units of [m/s²], can be varied over time using an input file.
  - Contact Angle
    Enable the contact angle parameter to allow different wetting behaviors.
  - Energy Equation
    Energy equation in nanoFluidX is implemented so that it accommodates for conduction and convection heat transfer with initial or Dirichlet boundary conditions.
  - Surface Tension - Multiphase
    nanoFluidX implementation of the multiphase surface tension model heavily relies on the work of Adami et al.
  - Surface Tension - Single Phase and Adhesion
    Both single phase surface tension and adhesion modeling is based on the work of Akinci et al.
  - Viscosity Models
    nanoFluidX now supports both temperature-viscosity and non-Newtonian modeling behavior. For temperature-viscosity, three models were implemented: polynomial, Sutherland, and power law. For non-Newtonian, the Cross model is available, which can be used to approximate power law behavior without risking instabilities due to viscosity unboundness of the power model.
- Boundary Conditions
- Measurements
- Solver Features
  Information about advanced solver features.
Validation Cases
Validation cases for the dynamic testing of nanoFluidX.
Performance Benchmarks
Performance benchmark results for nanoFluidX.
Error and Warning Messages
This glossary contains generic messages generated by nanoFluidX, their likely causes, and possible methods to resolve the related issues.
Frequently Asked Questions
This section provides quick responses to typical and frequently asked questions regarding nanoFluidX.
Bibliography
References used throughout the nanoFluidX manual.

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nanoFluidX

2022.2

Home
Theory Manual
Physics and theory for nanoFluidX.
Physics

What's New
Overview
Video Tutorials
Pre-processing with SimLab
Run nanoFluidX
Post-processing with ParaView
Simulation Guidance
Command Reference
Theory Manual
Validation Cases
Performance Benchmarks
Error and Warning Messages
Frequently Asked Questions
Bibliography

Index

Physics

Body Force
The body force, defined through acceleration in units of [m/s²], can be varied over time using an input file.
Contact Angle
Enable the contact angle parameter to allow different wetting behaviors.
Energy Equation
Energy equation in nanoFluidX is implemented so that it accommodates for conduction and convection heat transfer with initial or Dirichlet boundary conditions.
Surface Tension - Multiphase
nanoFluidX implementation of the multiphase surface tension model heavily relies on the work of Adami et al.
Surface Tension - Single Phase and Adhesion
Both single phase surface tension and adhesion modeling is based on the work of Akinci et al.
Viscosity Models
nanoFluidX now supports both temperature-viscosity and non-Newtonian modeling behavior. For temperature-viscosity, three models were implemented: polynomial, Sutherland, and power law. For non-Newtonian, the Cross model is available, which can be used to approximate power law behavior without risking instabilities due to viscosity unboundness of the power model.

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