
Clean and prepare geometry using design modeler or SpaceClaim for the CFD domain. Choose meshing options and set viscosity and density for incompressible or compressible flow, post-process.
Explore the fundamentals of computational fluid dynamics, predicting fluid flow and conserving mass, momentum, and energy using the finite volume method on control volumes within a defined domain.
Explain mesh terminology in CFD by defining corner points, edges, faces, and cells, and show how the center of the cell is used to solve equations.
Learn how mesh quality affects CFD accuracy in ICEMCFD, define metrics like skewness, angular skew, aspect ratio, and volume change, and apply gradual cell-size changes and proper face data transfer.
Assess mesh quality in icemcfd by evaluating skewness, angular skew, and aspect ratio to prevent data transfer errors between cells and improve CFD accuracy.
Organize icemcfd projects using the brg file along with geometry and blocking files, and set the working directory at project creation to speed access and sharing.
Explore mouse functionality in icemcfd, mastering left click rotate, right-click pan and zoom, and dynamic vs selection modes to manipulate geometry, view, and mesh entities.
Explore the most commonly used commands in ICEMCFD from the utility menus, including project management, geometry and mesh operations, view options, shading, and coordinate system creation and manipulation.
Explore geometry import through different formats in icem cfd, including agw and aerofoil data, and learn to import, replace, and display points and surfaces.
Create parts from geometry and define the fluid domain, then set boundary conditions for inlet, outlet, and internal boundaries; generate the mesh and export it for icem cfd.
Learn to extract geometry and define parts from a mesh file, assign boundary names like inlet and outlet, and generate geometry for boundary conditions using angle-based selection.
Explore geometry operations in ICEM CFD hex, including creating points, curves, volumes, repairing geometry, and managing multiple domains for meshing and interfaces.
Create points from screen, by coordinates, at arc centers, ends, intersections, or midpoints; place points between two locations or on curves, and project onto surfaces to support the Hegner mesh.
Explore creating and modifying curves in the ICEM CFD Hexa basic course by placing points, forming lines and circles, and projecting curves onto surfaces.
Learn to create and modify surfaces in ICM code, including boxes, spheres, and cylinders with precise dimensions and origins, and drive curves to form complex surfaces.
Create and modify surfaces from curves, offset the surface, segment and project curves onto the surface, and delete the remaining surfaces after splitting the geometry.
Practice geometry transformations using translate, rotate, mirror, and scale to shape domains around a body, copy points, create circles, and apply origin-based positioning and multiple copies.
Create a mesh by manipulating geometry entities: points, guards and fences, and bodies; delete surfaces as needed, and use the transaction toolbar to select all entities at once.
Create a material point and perform geometry delete operations in ICEM CFD: delete bodies, surfaces, or all entities via the transaction toolbar with confirm prompts.
Learn how to view and control surface normals in ANSYS ICEM CFD, reorient meshes for consistent prism growth, and apply normal direction concepts to repair geometry and customize meshing.
Master topology checking to reveal surface connections and gaps, and automatically generate points and curves from geometry using topology tolerance in ICEM CFD.
Develop the hexa meshing concept in ICEMCFD by building a top-down blocking geometry and projecting the block mesh onto the geometry.
This lecture demonstrates hex meshing of a square cylinder using blocking concepts, showing how to define points, edges, curves, and surfaces, and transfer blocking to geometry for an unstructured mesh.
Learn to create all types of blocks and a 2d block from vertices in the ansys icemcfd hex a basic course, including map, free, and bottom-up blocking and vertex-order considerations.
Create 3d blocks from vertices, edges, and faces in ICEM CFD, using prematch, splitting blocks, and assigning block indices to generate meshes from geometry.
Create a hex mesh quarter o-grid from six vertices by defining a six-vertex block, forming quad and hex elements, and refining with prematch.
Explore building a degenerate hex block from six vertices in ANSYS ICEM CFD, starting from different corners to form triangular present blocks, assigning fluids, and assessing mesh quality.
Learn to create blocking for cylindrical and square geometries by exporting, excluding faces, and using interactive, fixed along curve methods; extrude blocks along curve and split them at strategic points.
Create blocking from a top-down approach starting with one block to generate hex mesh, associating edges to curves and extruding faces along the curve.
Master extruding with twist, fixed distance, and interactive options in the ANSYS icemcfd hex basic course, defining twist angles and heights, then extruding by selecting a face and location.
Create 3d blocking from a 2d layout using the rotate option, translating and rotating the geometry to generate a full 3d blocking with its surfaces in a single click.
Identify and fix mesh errors during 2D to 3D blocking by rotation, adjusting edge associations, deleting blocks, and re-matching edges to surfaces to eliminate negative volumes and improve quality.
Learn the correct method to create 2D to 3D blocking by rotation for 360-degree models, using four copies with 15 points and prematch quality checks to yield high-quality 2x2x2 mesh.
Use the translate option in icem cfd to convert 2d blocking into 3d by copying points at a distance of two, creating boundary surfaces, adjusting edges, and recomputing the mesh.
Apply the relativity blocking method by rotation to convert 2-D blocking into 3-D, generating full hexahedral geometry with a single plane, axis, and prematch.
Rotate 2d blocking into 3d sector geometries (45°, 90°, etc.), define surfaces and parts, clean up geometry, and prepare a ready-to-solve mesh for fluent.
Learn to create 2D to 3D blocking by rotation in ICEMCFD, set global mesh parameters, define axis and angle, and export the hexa mesh to Fluent.
Explore how blocking is associated with geometry in ICEM CFD to generate surface and volume meshes. Learn to define blocks, curves, edges, and faces, color coding, and common blocking pitfalls.
Learn to perform block splits in ANSYS ICEM CFD hex workflow, selecting split options, defining block locations with points, and manipulating blocks to achieve desired geometry and mesh control.
Learn block split techniques in ANSYS ICEM CFD Hexa, create and position blocks with points and lines, and use go and delete options to refine geometry for accurate meshing.
Explore O-grid generation in ICEM CFD by mastering blocking techniques, including split block and conformal 3-D blocking, to improve mesh quality and control face and edge alignment.
Master o-grid generation for hex meshes in icem cfd by learning blocking strategies, geometry association, prematch sizing, and quality improvement through targeted edge and corner refinements.
Explore o-grid generation for meshing between green and red curves using blocks and prematch. Address low-quality areas near sharp corners by adjusting diagonal edges and the number of north.
Explore o-grid generation for hex meshing in Ansys icem CFD by building a block, defining sizes, and selecting faces to improve mesh quality.
This lecture demonstrates o-grid generation for a two-sided geometry, adjusting block size, surfaces, and prematch parameters, then iterating to improve mesh quality and inlet edge alignment.
Learn to generate a hexa o-grid around an aerofoil by creating and anchoring blocks to geometry, then refine near the trailing edge for quality mesh.
Merge vertices to unite blocks, coalesce blocks to simplify geometry, propagate mesh changes across the model, and convert blocks into prism meshes with sizing control.
Demonstrate quick hex blocking for a triangular geometry, naming the fluid block, splitting eight points into edges, and using one-direction blocking to conform blocks to geometry while considering manual options.
Merge vertices in hex mesh blocking: exercise 2 demonstrates selecting and displaying points, splitting the blocking at front, back, top and bottom locations on a wedge, and verifying the mesh.
Explore beamish parameters in the blocking tab to define edge mesh sizes using various meshing laws, and apply uniform, on-screen, or linked spacing with ratio control and maximum spacing.
Explore premesh edge parameters and spacing for hex meshes, showing how to copy spacing from a reference edge to a target edge and maintain a constant ratio.
Master premesh edge parameters to achieve uniform spacing across blocks by copying spacing from reference edges, using link spacing, and applying parameters to selected ages with prematch and eMESH.
Learn premesh edge parameters in ANSYS ICEM CFD Hex course, apply uniform sizing or geometric methods, adjust maximum size and ratio, and recompute to refine mesh near boundaries for turbulence.
Explore global mesh sizing versus local refinement in ICEM CFD hexa meshing, including sizing factors, refinement levels, and edge bunching for consistent node distribution.
Define per-part sizing on blocking to refine the hex mesh, then apply a global maximum size for all parts and update the blocking accordingly.
Learn how to scale the entire ICEMCFD hexa mesh with a scale factor to adjust sizes and node counts, and explore initial spacing effects and the scale initial spacing option.
Explore scaling and refining hexa mesh in targeted regions by adjusting one-direction refinement factors, applying pre-mesh checks, and comparing node counts to achieve desired mesh density.
Move vertices with the move vertices command to optimize blocking and mesh quality, using point or curve movement, fixed directions, undo, and surface constraints.
Demonstrate building a 2.5 aerofoil mesh in ANSYS ICEM CFD, detailing geometry preparation, blocking, point placement, and applying Oger and Weigert commands to refine the final mesh.
Learn to edit edges in ANSYS ICEM CFD Hexa by converting linear edges to plane using control points, linking to geometry, and improving mesh quality.
Explore how to edit blocks in ANSYS ICEM CFD, use the central command, merge blocks, and ensure orthogonality and correct vertex indices for quality curved geometries.
Learn to merge blocks and faces, split and undo actions, and manage block visibility, numbering, and indexing for clear meshing workflows in icem cfd.
Scale selected o-grid blocks and reset o-grid orthogonality to optimize mesh quality. Learn to set offsets, adjust block distances, and associate changes with surfaces.
Explore periodic vertices and periodicity for axis models in ANSYS ICEMCFD Hexa, using angle, sectors, or vectors, through a two-step process: mesh first, then setup.
Define periodic vertices and periodicity for concentric cylinders in ICEM CFD; use axis points to establish periodicity and set the mesh angle by dividing 360 by the number of passes.
Define translational periodicity in ICEM CFD by creating a block, assigning edges and points, copying the middle section along the length, and setting consistent properties.
Apply shifted periodic blocking to high-curvature geometries by aligning corresponding edges and nodes on opposite sides, enforcing equal edge counts, and using targeted block splits to preserve mesh quality.
Create concentric pipe geometries with a small 4 mm diameter and 2 mm length, extending into a larger section by 9 mm, using ICEM CFD geometry commands in 3D.
Create a two-dimensional geometry by placing and translating points from coordinates, then form lines and curves to define inlet, outlet, walls, and services.
Create three-dimensional geometry from two concentric ducts by revolving a half profile about the axis, then define and repair surfaces, assign parts, and label boundaries for hex mesh preparation.
Create region three of the 90-degree band with a small inlet, obtain coordinates of important locations, derive points from curve intersections and curve segments, then create surfaces and parts.
Create a 90-degree pipe bend by defining an origin, creating and offsetting points, and forming curves and arcs by projection and center-arc methods. Assign inlet, outlet, and walls as parts.
Create the Agronin aerofoil geometry and surrounding domain for ICEM CFD hex, using Excel coordinates and text import. Highlight wind turbine goals: low-speed operation, wide angle of attack, low drag.
Explore wind turbine airfoils, focusing on NREL aerofoil families and profiles, including coordinates, blade locations (25% and 75%), and geometry data from NREL resources and profiles tools.
Scale the S809 aerofoil coordinates by five from NREL sources in Excel, separating them into upper and lower surface points. Import the formatted geometry into ICEMCFD to visualize aerofoil.
Fine-tune geometry of the S809 airfoil by constructing leading-edge and surface curves from point sets, adjusting gaps, and refining points to prepare for domain creation and surface modeling.
Learn how to create and configure a domain around the S809 airfoil in ICEM CFD, using upstream and downstream boundaries, semicircular and rectangular domains, and the angle of attack.
Create surfaces and parts for the S809 airfoil and its domain in the icem cfd hexa course, defining inlet, outlet, top, bottom boundaries and applying pressure outlet and incompressible flow.
Import the NREL first six wind turbine model into icemcfd, clean geometry, and create rotating and stationary domains while defining outlet interfaces, background, and blade aerofoil parameters.
Provide an overview of the file, its sections, and EMC domain molding; outline the commands and how to create a larger domain.
Import the geometry, set the working directory, and create the inner rotating domain with interfaces, using topology to repair geometry and color-coded surface checks to ensure proper connectivity.
Create an inner rotating domain with interfaces by defining inlet geometry, projecting curves onto surfaces, forming circular hub features, and adjusting upstream offsets to guide flow to the wind turbine.
Create an inner rotating domain with interfaces by building surfaces, copying edge points, positioning an axis, and forming a circle to close the wind turbine hub.
Create the inner rotating domain with interfaces by building surfaces, checking topology, naming the interface boundaries, assembling parts, and saving the domain file for use in CFD setup.
Create an outer (stationary) domain with interfaces from the top model by copying and placing points, circles, and guards to define entry points, then save as outer domain.
Develop the outer stationary domain and its interfaces by cleaning geometry, repairing topology, and naming boundary parts for inlet, outlet, and interfaces to prepare for meshing and solving.
Create the full-scale model of the inner domain and the other domain with the same boundary conditions, defining interfaces, inlet, outlet, and bottom conditions, for instructor feedback.
Compare case results and mesh visuals with theory and NREL experimental data, and preview future ICEM CFD intermeshing and CFX courses for advanced fluid-solution skills.
Describe the flood plain geometry for a flow scenario and create a mesh that resolves the free-stream flow at the top of the plate within the domain.
Describe boundary layer behavior and flow parameters to resolve the flow. Specify meshing parameters and region considerations for ICEM CFD hex meshing.
Generate the geometry of a flat plate from five points, assign named parts, save the project files, and prepare for the mesh by defining coordinates and boundaries.
Create blocking and generate a hex mesh for a flat plate domain in icem cfd, set layer thickness and growth, assign inlet and outlet, then export to fluent.
Discuss the assignment by creating two more meshes, increasing the node count from the medium mesh in the x and y directions, and comparing sizes.
Develop meshing skills from simple to complex cases and apply them to hex mesh design using a 1x1 square and 20x20 nodes scaled to about 28–29.
Create a simple block, assign corner points and edges, and map the geometry in code to form uniform and non uniform grids for square.
Create local splits to refine the mesh near wall regions for boundary layer control by adjusting distances, spacing, and premesh checks across corners and sides.
Learn to build an o-grid for local mesh refinement by blocking, merging vertices, propagating across blocks, and adjusting offset and spacing to control edge lengths and angles.
Select the solver, define wall boundary conditions with high and low temperatures, export the hexa mesh, and open the mesh in Fluent to check quality and visualize boundary colors.
Create a mesh inside a circle, a half circle, and a golden circle of diameter one meter using a consistent 2D/3D strategy. Export with boundary conditions and evaluate mesh quality.
Access downloadable input files for three geometries, learn to create them and mesh with blocking, and compare with five reference cases to guide the straight pipe assignment.
Create circle geometry in Icemcfd from three points—the origin and two axis points—using the central and two-point circle method, then place additional points to form four circles and plan blocking.
Master initial blocking and premesh for hex meshing by using points, curves, and edge–curve associations to place blocks precisely and improve mesh quality.
Create an o-grid to fix low-quality mesh at corner angles, adjust diagonal edges and edge spacing, and refine via blocking, inside circular geometry, to achieve improved angle and quality.
Apply mesh smoothing to increase the orthogonal quality of mesh cells, improving angles from about 41–60 degrees toward near 90 degrees, with results recomputed for smoother, more accurate meshes.
Block and pre-mesh half-circle geometries in ICEM CFD, handling edges and sharp corners, and adjust node distribution for uniform mesh across the circle and its edges.
Create blocking and pre-mesh for a quarter circle by constructing center-based geometry, splitting and deleting segments, and defining edge parameters for sharp corners and spacing to improve match quality.
Export and inspect the hex mesh, set blocking and parts, and assign boundary conditions by matching geometry. Improve mesh quality with smoothing and prematch, then export for CFD.
Create blocking geometry for the assignment by constructing points, circles, and lines, splitting geometry at key locations, and defining center points to establish the blocking.
Demonstrate blocking and premesh for an assignment, including splitting geometry, assigning blocks to edges and vertices, snapping blocking to geometry, and setting meshing parameters for quality hexa elements.
In this course students will learn basics of hexa meshing along with geometry operations and various other options in ICEMCFD. After going through lectures, we will apply this knowledge in 10 workshops which are designed to give you hand on practice on different commands and method in ICEMCFD.
Recently I have added two more workshops on hexa meshing of 2D turbine and compressor blades with periodic boundaries. Here you will learn about the complex application of multiple O-Grids (C-Grid, Quarter O-Grid etc) along with shifted periodic concept.
After going this course you will be able to understand hexa meshing concept, geometry operations etc and apply them on real world problems.
Last updated: August 06, 2020