Advance Computational Fluid Dynamics using ANSYS Fluent

Learn to set up a 3D pipe geometry in SpaceClaim for a Fluent simulation, including creating a circle, extruding to a cylinder, and selecting the orientation and plane.

Model geometry in design modeler by selecting a plane, sketching a circle, and setting a diameter. Extrude the sketch to depth to form a solid pipe domain for simulations.

Generate a grid for ANSYS Fluent simulations by meshing the design modeler geometry into control volumes. Use structured or unstructured meshes, with inflation layers and y plus control for convergence.

Configure a steady fluent simulation by switching the fluid to water, selecting a single solver, applying the k-e standard turbulence model with a wall function, and running 8000 iterations.

Assess convergence using residuals and mass balance to validate a Fluent CFD run; visualize velocity fields, contours, and streamlines to analyze flow in a pipe and confirm continuity.

Extend the previous pipe flow project by adding a second inlet and importing geometry to study inlet-to-outlet flow, then build a mesh and assess mesh independence ahead of Fluent setup.

Set up a Fluent simulation by selecting double precision, using the epsilon standard model with propane gas, defining inlet velocity 1 m/s and a pressure outlet, initializing and running iterations.

Analyze a two-inlet, one-outlet propane flow on a coarse mesh, focusing on continuity and velocity visualization. Energy equations remain off here; next video covers discrete phase modeling.

Explore discrete phase modelling in ANSYS Fluent by tracking water droplets injected into propane gas with Euler–Lagrange and dispersed phase approaches, revealing their impact on pipe erosion and corrosion.

Enable the discrete phase model, create a surface injection at the inlet, define velocity and diameter, and assign water as the injection material.

Set up discrete phase model injection of water droplets and visualize particle tracks in Fluent via post-processing. Observe one-way coupling and droplets moving with the flow from inlet.

Explore one-way vs two-way coupling in the discrete phase model (DPM) in ANSYS Fluent, focusing on particle injection, droplets, trajectories, and continuous–dispersed phase interactions.

Explore the Rosin-Rammler diameter distribution to model nonuniform droplet sizes in a discrete phase simulation, setting minimum, maximum, and mean diameters in Fluent.

Visualize particle size distributions in ANSYS Fluent by generating a Rosin-Rammler diameter distribution, creating a sample report, and plotting a histogram from outlet boundary data.

Switch boundary conditions from reflector to trap in the discrete phase model, observe more droplets trapped and fewer escaping, and analyze particle tracks to assess wall impact.

Demonstrate how turbulence affects particle trajectories by applying stochastic tracking and the discrete random walk model to inject random kicks during injection in ANSYS Fluent.

simulate erosion using discrete phase models with two-way coupling in ANSYS Fluent; analyze erosion rate on the wall by enabling particle tracking and exporting erosion and particle history data.

Export particle tracks to CFD post using ANSYS Fluent, load results, visualize erosion patterns and particle trajectories, and explore discrete particle phase modeling with velocity and boundary conditions.

Simulate indoor ventilation flow in a 3d room with an academic ANSYS Fluent setup, including inlet, outlet, and cold air velocity, then compare x-velocity at three heights with experimental data.

Create a surface indoor domain in Creo for ANSYS Fluent, place a 0.04 m square inlet at center-left and an outlet on the opposite wall; save as step.

Import the geometry from a step or part file, set the analysis to 3d, generate a 3d tetrahedral mesh, and compare structured and unstructured meshes for grid independence.

Rename the boundaries in the simulation by labeling the inlet, outlet, walls, ceiling, and floor, configure the mesh display, and note the absence of heat sources.

Explore buoyancy driven and density driven flows, including natural and mixed convection in indoor environments, and learn to set up and validate ANSYS Fluent simulations.

Set boundary conditions with inlet velocity from experimental data, apply indoor ventilation ranges around 1–5 m/s, and enable steady-state gravity at 9.81 m/s².

Create report definitions in ANSYS Fluent to monitor area weighted average velocity on a defined plane, guiding convergence and indoor air flow analysis.

Extend residuals to about 1e-5 in ANSYS Fluent and run additional iterations to seek global convergence, while the velocity monitor remains nearly constant.

Visualize and analyze velocity fields by generating vectors and contours, set up central planes, sample velocity along multiple lines, and compare extracted x-velocity data with experimental results.

Learn to compare experimental and numerical velocity data by extracting image-based values and plotting them with Origin, validating numerical schemes for indoor flow simulations.

Simulate heat and combustion gas release from a car bonnet inside a ventilated garage, using a simplified 3d model and physics setup prepared for import into ANSYS Fluent.

Import CAD geometry into design modeler, generate the model, and sketch an outlet on a face. Project the sketch to split the face into two regions, forming a single body.

Learn to apply boolean subtraction to shape the domain from solid bodies, such as car and mannequin, and to name surfaces for boundary types before physics setup and unstructured mesh.

Create an unstructured mesh with higher density for stability; note structured mesh as an option. Generate and update the mesh, then translate to Fluent for the physics setup.

Turn on gravity settings and configure buoyancy driven indoor ventilation in Fluent, selecting steady state or transient, energy and species transport models to simulate combustion products and air composition.

Add carbon dioxide to the fluid, create a concrete wall material, and configure the mixture template in Fluent, adjusting species order and key properties like density, conductivity, and viscosity.

Define composition-dependent thermal conductivity using the macerated mixing law for multi-component flow, then set boundary conditions with mass-flow inlets, pressure outlets, and oxygen, water vapor, carbon dioxide mass fractions.

Set operating conditions in ANSYS Fluent by entering operating pressure, density, and temperature; compute gate pressure from absolute pressure and adjust reference values to avoid rounding errors.

Apply solution methods in ANSYS Fluent, including simple pressure-velocity coupling, interpolation schemes, and body-force weighting, and learn to monitor convergence with a plane velocity monitor and area-weighted averages.

Identify convergence by observing residuals oscillating and stabilizing near 1e-6, and a constant average velocity on a selected plane across iterations, signaling stopping criteria in ANSYS Fluent.

Visualize temperature distribution on walls and ceiling, study heat transfer with contours and planes, and analyze velocity vectors, smoke movement, and carbon dioxide mass production using volume rendering and streamlines.

Model a two-dimensional axisymmetric turbulent diffusion flame in ANSYS Fluent, with separate methane and air inlets in a cylindrical domain. Observe methane–air reaction products CO2 and H2O.

Model a cylindrical combustor by switching from 3D to 2D, creating a closed XY-plane domain in design modeler, sketching and trimming geometry, and planning a multi-region mesh with line splits.

Learn to generate meshes in ANSYS Fluent by selecting and meshing faces, applying edge biasing, and adjusting divisions to produce smooth transitions.

Assign axisymmetric boundary conditions in fluent, enable energy and species transport with volumetric reactions, select methane-air mixture, set air inlet 0.5 velocity at 300 K, O2 0.3.

Set boundary conditions with a simple scheme, second order accuracy, and high order relaxation to improve convergence; initialize with hybrid initialization and run 10000 iterations.

Monitor the outlet velocity with an area-weighted average to confirm convergence beyond residuals, and verify mass balance by comparing inlet and outlet fluxes during post-processing.

Explore post-processing methane–air combustion using snapshots of temperature fields, species mass fractions (methane, oxygen, nitrogen, CO2, H2), velocity vectors, and streamlines, including animation and domain rotation.

Apply numerical experiments to assess the deformation of an underwater structure under fluid-structure interaction, linking fluid dynamics to structural dynamics and evaluating the model's performance.

Model a fixed underwater beam under water flow to study fluid-structure interactions. Import and mesh the domain in ANSYS workbench, then evaluate stresses and deformations in the structure.

Open the fluid flow workspace, import geometry in design modeler, subtract the solid from the domain, name the inlet, outlet, symmetry, and bottom, then mesh to prepare for the simulation.

Explore meshing in ANSYS fluent with unstructured and structured meshes, refine mesh, and use body of influence to densify near body of interest while assessing pressure, velocity, drag, and lift.

Explore grid generation in the meshing module by configuring a frozen body, applying body sizing, and creating a body of influence to adjust elements in regions of interest.

Set up physics for low-speed water flow in ANSYS Fluent with a pressure-based steady solver, assign water, apply Gibbs standard model with standard wall functions, and turn off energy equation.

Verify continuity by matching inlet and outlet fluxes, then post-process with CFD post to visualize the flow field, pressure, and velocity vectors, preparing for the next FSI stage.

Import geometry into the static structural module, suppress the outer domain, assign structural steel to the beam, and generate a mesh to analyze deformations, stresses, and strains under oncoming loads.

Transfer fluent pressure outputs to static structural analysis, apply as a body load, set fix supports, and evaluate deformation and stress, then compare materials for underwater FSI.

Learn to simulate the flow field around a rotating fan using sliding-mesh, with inner and outer domains, rpm boundary conditions, and steps toward meshing, physics setup, and results.

Import geometry into the fluent project, verify the domain visually, rename boundaries, and use boolean operations to create interfaces between inner and outer domains for rotational boundary conditions.

Generate and refine unstructured meshes for complex geometries, check grid independence, and define inlet, outlet, and inner/outer domain boundaries in ANSYS Fluent.

Configure a transient, pressure-based simulation in ANSYS Fluent with rotating sliding mesh and double precision, applying boundary conditions as pressure inlets and outlets using a realizable k-epsilon model.

Configure solution methods in ANSYS Fluent, using pressure-velocity coupling with second-order upwind, higher-order relaxation, and a velocity monitor to verify convergence during hybrid initialization and time-step size choices.

Monitor residuals and manage time steps and maximum iterations in a transient ANSYS Fluent case to achieve convergence and track velocity magnitude as the solver advances.

Observe that the outlet velocity stabilizes, indicating convergence after about 13 seconds. Pause iterations, extend convergence criteria as needed, and proceed to post-process the results.

Visualize the flow field by loading results, using velocity in stationary frame, plotting vectors and streamlines on planes, and creating animations from time steps to observe fan rotation.