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icem 15.0 教程 值得拥有!作为专业的前处理软件ICEMCFD为所有世界流行的CAE软件提供高效可靠的分析模型。它拥有强大的CAD模型修复能力、自动中面抽取、独特的网格“雕塑”技术、网格编辑技术以及广泛的求解器支持能力。同时作为ANSYS家族的一款专业分析环境,还可以集成于ANSYS Workbench平台, 获得Workbench的所有优势。ICEM作为fluent和CFX标配的网格划分软件,取代了GAMBIT的地位。
Table of contents Hexa Mesh Generation for a 2D Pipe Junction..............................................1 Starting the Project……… 2 step1: Block the Geometry…………3 step2: Associate Entities to the geometry…….….….…..…..….….…..,10 Step 3 Move the vertices step4: Apply Mesh Parameters………… ·············=····*·:·· step5: Generate the initial mesh....,,,…,…… 19 Step 6: Adjust the Edge Distribution and refine the mesh ........... 20 Step 7: Match the edges to Improve quality.................. 25 Step8: Verify and Save the Mesh and Blocking..…….……………,27 Hexa mesh generation for a2DCar.…….…....31 Starting the project………,…,….,…,…,… 32 Step1: Create and Split the blocking to Resemble the geometry…………,…………34 Step2: Associate and Fit the Blocking to the Geometry……………………….2 step3: Align the Vertices…… 鲁鲁鲁看鲁 45 Step4: Set mesh parameters and generate the initial mesh…,,,,…… step5: Create an o-grid.…… 50 step6: Refine the mesh using Edge Parameters………………………………………53 Step 7: Save the replay file and Use it for Design Iteration 57 Step 8: Create Output Data for a Solver........60 Hexa Mesh Generation for a 3D Pipe Junction 63 Starting the project……….….….….….….….….….….….….….….….….….….….….….….….….….….….….….….….……..64 Step 1: Preparing the Geometry 64 Step2: Creating the Initial blocking...............,,…,…,…,…,……68 Step3: Fitting the Blocking to the Geometry.………………… ··· 71 Step 4: Generating the Initial Mesh ...... ··非非辛·垂 75 step5: Checking the Mesh Quality……………… ∴………,79 step6: Creating an O- Grid in the blocking………………,……,…,,…,…,……,…………………,80 stepκ: Verifying and Saving the Mesh……………………… 86 Hexa Mesh Generation for a Sphere Cube Geometry ...........89 Starting the Project…… ∴90 step1: Preparing the geometry….....… 90 step2: Blocking the Geometry……………………………………………….95 Step 3: Fitting the Blocking to the Geometry 95 Step4: Creating the o-grid.......,….,…, ·。···音非着鲁· Step 5: Generating the mesh .102 Step6: iewing the Scan planes5...,.,.,.,….,….,…,…,…,…,…,…,…,……,105 Step 7: Verifying and Saving the Mesh 107 Hexa Mesh Generation for a Pipe with Embedded blade Starting the Project . 110 Step1: Creating Parts in the mesh editor….......,.,…,………,10 step2 Initial Blocking and Associations…………,…,……,…,,…,……,……,………,………,14 Step 3: Splitting and collapsing blocks around the blade............... ·:···.· ··········· 119 step4: Fit the Blocking to the Blade geometry…….……………………123 Step 5: Generating the o-Grid 126 Step6: Defining the Mesh using Surface Parameters…………,…,…,…,…,…,…,…,…,……,…,,,…,128 Step 7: Refining the mesh using edge parameters.......... 130 step8: Checking and Improving Mesh Quality……………………133 Step 9: Saving your Work 136 Hexa mesh Generation for an elbow part 137 ANSYS/CEM CFD 15.0-@ SAS /P Inc. All rights reserved. -Contains proprietary and confidential in. formation of ansys inc and its subsidiaries and affiliates Tutorials Starting the Project .·:··········……·········4·:··.···:········:·················:···:·······:…····:···:···· 138 Step 1: Preparing the Geometry……… ···:.·····:····· 140 step2: Blocking the Geometry.…………………,…,……,…………,………,,142 Step3: Fitting the Blocking to the Geometry……………………………….,144 Step 4: Creating the First O-Grid .... 148 Step 5: Adjust the o-Grid Edge Length to Improve Quality...... 152 Step 6: Generate the Pre-Mesh 158 stepκ: Creating the Second o-Grid,…………,…,…,…,…,…,…,,…,…,,…,…,……,160 Step 8: Generating the mesh 163 step9: Saving the project…….….….….….….….….….….….….….….……….…….,170 Bottom Up Hexa Mesh Strategy for a Grid Fin 175 Starting the project.....,.,…,.,….….,…,…,……………,177 Step 1: Creating an Initial 2D Blocking Associated with a Minor Geometry 177 Step 2 Creating an o-grid and placing vertices. Step 3: Completing the 2D Grid by Vertex Placement 188 step4 Extruding the2 D Grid to create3 D Blocking…..........…...….….,193 Step5: Resolving Zero Thickness Walls∴….… 203 Step 6: Defining Periodicity........ 207 Stepκ: Generating and Refining the Mesh………….….………………,209 Step 8: Cleaning up 212 Tetra/Prism Mesh in a Fin Configuration 217 Starting the project….............….………….217 Step 1: Creating Surface Parts and a Material Point…….….….….….….….….….….….…….………,219 Step 2: Setting up Mesh Parameters. Step 3 Generating the Tetra/Prism Mesh 非着·音非·非。自·非鲁非非·非非·,非非。·非非··.非非非·着非·非非·非自·普 ∴225 Step 4: Checking and smoothing the tetra/Prism Mesh...... 227 Step 5: Building the hexa-Core mesh.. 29 Step 6: Saving the project ....... 23 etra Mesh in a piston/ Valve Assembly…… 非非非非非。非非·非非。非非着·非。·非非非非·D···非非 233 Starting the Project…………,…,……,……,…,…,… 234 step1: Preparing the geometry……………………………,……,………,……………………,234 step2: Setting Mesh Parameters……, 238 Step 3 Generating the mesh.... ,241 Step4: Checking the mesh and Cleaning up…………………,…,…,…………,……,244 Tetra/Prism Mesh Generation for a Helicopter.........................247 Starting the Project 248 Step 1: Preparing the geometry 248 Step 2: Setting the Mesh Parameters…………………,……………………………………252 Step 3: Generating the Octree mesh 255 step4: Generating the delaunay Mesh………… 259 Step 5: Smoothing the Mesh 262 step6: Saving the project.......…..….….…..……………263 Tetra/Prism Mesh Generation for an Aorta 265 Starting the project................. 266 Step 1: Preparing the Geometry 267 step2 Setting the mesh Parameters..,.,.,..,.,..,…,…,…,…,,…,,…,…,…,271 Step 3: Generating the Octree Mesh 273 Step 4: Generating the delaunay mesh....................... ·音来自音非 279 step5: Saving the Project………,……,…,…,…,,……,… 283 urther setup…………….…………………… 286 Merged Tetra-Hexa Mesh in a Hybrid Tube ····.········:·:····:······:· 289 Starting the project ∴290 ANSYS/CEM CFD 150-g SAS /P, Inc. All rights reserved. -Contains proprietary and confidential in- formation of ansys. inc and its subsidiaries and affiliate Tutorials step1: Setting the Mesh Parameters…....,.,.,.,….,.,,,…,……,…,…,……290 Step 2: Generating the Tetra Mesh in CYL1 291 Step 3: Generating the Tetra Mesh in CYL2 ·非音音··普。自音。鲁鲁非音自非非音音音·。音非音音音音鲁·非·普。音音自音非非·音·非音非鲁。非音 293 step4: Merging the Tetra Mesh between CYL1 and cYl2……………………………………295 Step 5: Generating the Hexa Mesh in CYL3.... 296 step6: Merging the Tetra mesh with Hexa Mesh at Interface2………,…,…,…,…,…………………301 Step 7: Cleaning up and Saving the project 302 Multizone Mesh in HVAC Square-to- circle transition duct….…,…,…,…,…,…,…,…,…,…,…,…,305 Starting the Project….… 305 Step 1: Setting up global and Part Mesh Parameters……………………………306 Step 2: Creating Automatic Surface .308 Step 3: Converting the Surface blocking to 3D Blocking. ......................................................310 Step 4: Checking and Improving the Mesh 315 市······· Step 5: Converting to Hexa-core and Saving the project 318 ANSYS /CEM CFD 15.0-@ SAS /P Inc. All rights reserved -Contains proprietary and confidential in. formation of ansys inc and its subsidiaries and affiliates ANSYS/CEM CFD 150-g SAS /P, Inc. All rights reserved. -Contains proprietary and confidential in- formation of ansys. inc and its subsidiaries and affiliate Hexa Mesh Generation for a 2D Pipe Junction In this tutorial, you will generate a mesh for a two-dimensional pipe junction comprising two inlets and one outlet. After generating an initial mesh you will check the quality of the mesh, and refine it for a Navier-Stokes solution Figure 1: 2D Pipe Geometry This tutorial demonstrates how to do the following Block the geometry Associate entities to the geometry. Move vertices onto the geometry. Apply mesh parameters. Generate the initial mesh Adjust the edge distribution and refine the mesh Match the edges to improve quality Verify and save the mesh Starting the project Step 1: Block the Geometry ANSYS/CEM CFD 15.0-@ SAS /P Inc. All rights reserved. -Contains proprietary and confidential in. formation of ansys inc and its subsidiaries and affiliates Hexa Mesh Generation for a 2D Pipe junction Step 2: Associate Entities to the Geometry Step 3: Move the Vertices Step 4: Apply Mesh Parameters Step 5: Generate the Initial Mesh Step 6: Adjust the edge distribution and Refine the mesh Step 7: Match the edges to Improve Qualit Step 8: Verify and save the mesh and blocking Starting the project 1. Copy the input geometry file ) from the ansys installation directory under o the working directory 2. Start ANSYS ICEM CFD and open the geometry File >Geometry >Open Geometry. Note If you want ANSYS ICEM CFD to behave exactly as this tutorial describes, you should go to the Settings menu, click Selection and disable auto Pick Mode in the dez. most experienced ICEM CFD users prefer to enable Auto Pick Mode as it improves efficiency. See the Selection menu help for more detail. Blocking Strategy The blocking strategy for the 2D pipe geometry involves creating a T-shaped blocking and fitting it to the geometry. The 2D pipe geometry is equivalent to a T shape with the right side of the blocking crossbar bent upward to resemble the geometry. You will fit the T-shaped blocking to the geometry by creating associations between the edges of the blocks and the curves in the geometry, and then moving the vertices of the blocks onto the corners of the geometry. This procedure will be described in subsequent steps ANSYS/CEM CFD 150-g SAS /P, Inc. All rights reserved. -Contains proprietary and confidential in- formation of ansys. inc and its subsidiaries and affiliate Step 1: Block the Geometry Figure 2: The Mesh and its Topology Step 1: Block the Geometry The geometry and part information has already been defined for this tutorial. You will create the initial block in this stel Create the initial block Blocking Create Block >Initialize Blocks Create block Part FLUID 厂 eR POr N Create bloc 8的邮 upe initialize硎 settings 如pp 3」m nter in the part field Select 2D Planar in the Type drop-down list Click Apply d. Enable Vertices under Blocking ANSYS/CEM CFD 15.0-@ SAS /P Inc. All rights reserved. -Contains proprietary and confidential in. formation of ansys inc and its subsidiaries and affiliates Hexa Mesh Generation for a 2D Pipe junction 至 Blocking Vertices e. Select numbers under vertices W Blocking RMrPvertices LNBNumbers Figure 3: Initial Block(p. 4) shows the initial block enclosing the geometry. You will modify the initial block to create the topology of the model Figure 3: Initial Block The curves are now colored separately instead of by part. This allows you to distinguish the indi- vidual curve entities from each other, which is necessary for some of the blocking operations. You can enable or disable the color coding by selecting/deselecting Show Composite C Geometry [rMB CUrves LLMbshow Composite 2. Split the initial block into sub-blocks In this case, you will split the initial block using two vertical splits and one horizontal split. Blocking Split block i?> split block xX ANSYS/CEM CFD 150-g SAS /P, Inc. All rights reserved. -Contains proprietary and confidential in- formation of ansys. inc and its subsidiaries and affiliate

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