ANSYS BladeModeler BladeEditor .pdf

Version 1.0

BladeModeler 5.0 BladeEditor

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor Training Manual

• BladeEditor is an Add-In to DesignModeler, which means it enhances the functionality of DesignModeler • BladeEditor provides a seamless geometry connection between BladeGen and DesignModeler

BladeGen BladeEditor

DesignModeler 3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor Training Manual

• After geometry has been saved in BladeGen, start DesignModeler from the Project page by selecting New Geometry

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor Training Manual

• To ensure BladeEditor can be used, the BladeModeler license must be enabled

– Tools > Options – Select Licensing > License Management – Set default Geometry Modeler license to ANSYS BladeModeler

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor Training Manual

• To enable BladeEditor in DesignModeler – Tools > Addins

– Select Blade Editor – Select Load on Startup and Apply (Note you may need to restart DesignModeler)

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor Training Manual

• Select the same units as defined in BladeGen

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor Training Manual

• To import the BGD file, click the BladeEditor Icon

• By default, the last file saved in BladeGen is selected • Click Open

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: ImportBGD Feature

Version 1.0

Training Manual

• Used to import the BladeGen model • Details View located in the lower left corner of the DesignModeler window • Use the feature properties in the Details View to set the import options

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Meridional Contours

Version 1.0

Training Manual

• BladeEditor automatically creates Meridional sketches for the main flow path contours (hub, shroud, etc.) and a simple hub • Hub sketch can be modified and dimensioned as desired using DesignModeler sketcher

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Blade Part Creation

Version 1.0

Training Manual

• BladeEditor automatically creates “solid parts” for one or all blades

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Blade Topology

Version 1.0

Training Manual

• FEA meshing is often easier when the blade is created with four primary faces (not including root and tip) • Blade topology is controlled by the Merge Blade Topology property: – “No” means always create the blade with six faces: pressure side, suction side, leading edge, trailing edge, top and bottom – “Yes” means merge the faces when they are tangent

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

Faces not merged

BladeModeler 11.0 ANSYS, Inc. Proprietary

With faces merged

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BladeEditor: Hub Part Creation

Version 1.0

Training Manual

• BladeEditor optionally creates a revolved solid part for the hub using the hub sketch, and merges it with the blades

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Tip Clearance Training Manual

• Specify BG layer number to use to trim the blade: – “Relative” is layer number relative to shroud layer – “Absolute” is absolute layer number, where hub is layer one • Tip layer contour is added as a sketch in the meridional plane 3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Fluid Enclosure

Version 1.0

Training Manual

• BladeEditor optionally creates an Enclosure for the periodic sector of the “fluid zone” • The Enclosure is a frozen part that can be meshed and used to perform a CFD analysis of the blade • The Enclosure can be meshed directly with either CFX-Mesh or ICEM CFD

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor: Import Enhancements Training Manual

• Blade Loft Direction – Specify Streamise or Spanwise surface loft direction • Blade Extension parameter separate from Periodic Surface Extension for improved control when complications arise during the import

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeEditor: Periodoc Surface Options Training Manual

• “Periodic Surface Style” option – One Piece – used in BladeModeler 10.0 – Three Pieces – similar to TurboGrid (default) • Improved robustness in the periodic surface creation, especially when the surfaces are close to the machine axis 3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

Three One Piece Piece

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Solid Modeling Features • Solid modeling features that are missing in BladeGen can be added: – Blade fillets – Trims – Scallops – Shroud cover

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

Version 1.0

Training Manual

Blade fillets

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Solid Modeling Features

Version 1.0

Training Manual

Shroud cover

Revolved trim 3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Region Creation

Version 1.0

Training Manual

• Appropriate boundary regions for use in a CFD analysis will also be created as Named Selections • When the model is read into CFX-Mesh, boundary Regions are automatically created from the Named Selections

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Updating the BladeGen Model • The imported BladeGen model can be updated to reflect changes made in BladeGen • The Refresh property of the ImportBGD feature controls the update: – “Yes” (default) means that the BladeGen model should be re-imported whenever the source BGD file changes – “No” means do not update the model

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

Version 1.0

Training Manual

• If Refresh is “Yes”, the BGD file will be checked and reimported, if necessary, when the model is re-generated • This allows design changes in BladeGen to be propagated easily to DesignModeler

BladeModeler 11.0 ANSYS, Inc. Proprietary

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BladeEditor: Updating the BladeGen Model • Any changes or features added to the geometry in DesignModeler will be preserved, except: – If the hub contour has changed, it may need to be manually adjusted to fix the hub loop – If the number of contour segments has changed, any DM features added that depend on the edge or face topology may need their selections adjusted

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

Version 1.0

Training Manual

Hub sketch before update

Hub sketch after update Hub contour moved in BladeGen

Break in the hub loop causes hub part to fail BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

Importing to CFX-Mesh Training Manual

• When importing the DM geometry to CFX-Mesh, make sure the Named Selection attribute is checked, and the filter is blank • Otherwise the regions will not be created automatically • These options are saved in the project file

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

Workbench Import Options Training Manual

• Import options can be set under the Tools>Options menu • See Common Settings>Geometry Import • Set Named Selection Processing to “Yes” • Make Named Selection Prefixes blank

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

BladeModeler Training Manual

• Hands on practical tutorials to try – Practical #3 • Once you have completed all of the hands on practical tutorials (or later on) feel free to try the independent studies on the following pages

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

Mixed Flow Pump Training Manual

• Pump stage analysis • BladeGen files: – Mixed_Flow_Pump_Impeller.bgd – Mixed_Flow_Pump_Diffuser.bgd • Conditions – Fluid: Water – Speed: 800 [rpm] – Inlet flow direction: normal to inlet – Inlet Pt: 1 [atm] – Total exit flow rate: 132 [kg/s]

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

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Version 1.0

Axial Fan Training Manual

• One-way FSI analysis • BladeGen file: Axial_Fan.bgd • Conditions – Fluid: Air at STP – Speed: 3600 [rpm] – Inlet flow direction: normal to inlet – Inlet Pt: 1 [atm] – Total exit flow rate: 0.345 [kg/s] • Structural material: polypropylene • Calculate the pressure load with CFX

3/23/2007 © 2007 ANSYS, Inc. All rights reserved.

BladeModeler 11.0 ANSYS, Inc. Proprietary

Inventory #002498 5-26