January 25, 2023 at 7:17 amFAQParticipant
The impact angle of which a particle hits a wall is calculated by Fluent but not stored. To get access to this you will need to write a small UDF. In the UDF the angle can be accessed using the macro DEFINE_DPM_EROSION (called every time a particle hits a reflecting boundary) or be calculated inside the macro DEFINE_DPM_BC (called every time a particle hits a boundary (except symmetry or periodic boundary)). Inside one of these macros you can either directly write the information to a file or store in a particle user variable to be printed in another function. For an example on how to calculate the angle please take a look at the customization manual in section 2.5.1. DEFINE_DPM_BC. Alternatively the cosine of the angle is given by cos_a = NV_DOT(A,V)/(NV_MAG(A)*NV_MAG(V)) where A is the boundary face area and V the particle velocity vector. The angle is then alpha = acos(cos_a)
Introducing Ansys Electronics Desktop on Ansys Cloud
The Watch & Learn video article provides an overview of cloud computing from Electronics Desktop and details the product licenses and subscriptions to ANSYS Cloud Service that are...
How to Create a Reflector for a Center High-Mounted Stop Lamp (CHMSL)
This video article demonstrates how to create a reflector for a center high-mounted stop lamp. Optical Part design in Ansys SPEOS enables the design and validation of multiple...
Introducing the GEKO Turbulence Model in Ansys Fluent
The GEKO (GEneralized K-Omega) turbulence model offers a flexible, robust, general-purpose approach to RANS turbulence modeling. Introducing 2 videos: Part 1 provides background information on the model and a...
Postprocessing on Ansys EnSight
This video demonstrates exporting data from Fluent in EnSight Case Gold format, and it reviews the basic postprocessing capabilities of EnSight.
- ANSYS Fluent: Describing Cavitation in a Centrifugal Pump
- ANSYS Fluent: Efficient Modeling of Spray Breakup using VOF-to-DPM Transition
- Simulation of Exhaust Gas Recirculation (EGR) Cooler with CFD
- ANSYS Fluent: Lifeboat Launch – Overset & Dynamic Meshes with the Volume of Fluid Model
- Mixing Tank Modeling in ANSYS Fluent
- How can I get the surface area or volume when using VOF model?
- Hydrodynamics and Wave Impact Analysis
- Fluent: Simulating Multiphase Mixing within a Sparging Tank – Part 1
- Optimizing Solid Distribution in Continuous Stirred-Tank Reactor
- ANSYS Fluent: Simulating Multiphase Mixing within a Sparging Tank – Part 2