ANSYS TurboGrid

مجموعه مثال های TurboGrid

مشخصات محصول: فایل آموزشی (شامل فایل هندسه اولیه، PDF آموزش تولید شبکه)

حجم فایل‌ها: 7.7 مگابایت

16,000 تومان

توضیحات محصول

نرم افزار توربوگرید (TurboGrid) یکی از ابزارهای بسیار کارآمد در زمینه تولید شبکه برای تمامی توربوماشین ها بوده که توسط کمپانی انسیس توسعه یافته است. در راهنمای نرم افزار انسیس به صورت کاملاً جامع تمامی ابزارها و روش های تولید شبکه انواع توربین و پمپ و کمپرسور توضیح داده شده است. در کنار این آموزش یک سری مثال حل شده نیز وجود دارند که به صورت مرحله به مرحله تمام روند تولید شبکه را توضیح می دهد که در ادامه این مثال ها معرفی شده است. برای انجام مجدد هر کدام از مثال های زیر نیاز به یک سری فایل های ورودی بوده که مشخصات پره، پروفایل ها و اطلاعات hub، Shroud و … می باشد که متاسفانه در راهنمای خود نرم افزار قرار داده نشده است.

به کمک تلاش اعضای گروه دینامیک سیالات عددی ایرانیان این فایل های ورودی برای هر 9 مثال از سایت انسیس تهیه شده است تا کاربران بتوانند به صورت مرحله به مرحله هر مسئله را دنبال نمایند و به خوبی روش کار با نرم افزار TurboGrid را فرا بگیرند.

در این مجموعه علاوه بر فایل های فوق، PDF های ذیل نیز قرار داده شده است:

– ANSYS TurboGrid Introduction

– ANSYS TurboGrid Reference Guide

– ANSYS TurboGrid Tutorials

– ANSYS TurboGrid Users Guide


لیست مثال ها:

Rotor 37

This tutorial demonstrates the basic workflow for generating a CFD mesh using ANSYS TurboGrid. As you work through this tutorial, you will create a mesh for a blade passage of an axial compressor blade row. A typical blade passage is shown by the black outline in the figure below.

TurboGrid - Rotor 37

The blade row contains 36 blades that revolve about the negative Z-axis. A clearance gap exists between the blades and the shroud, with a width of 2.5% of the total span. Within the blade passage, the maximum diameter of the shroud is approximately 51 cm.


Steam Stator

This tutorial teaches you how to:

  • Import hub, shroud, and blade geometry from individual curve files.
  • Change the method of constructing the hub and shroud curve types.
  • Make colored surfaces to show variations in mesh measures (such as Minimum Face Angle).

TurboGrid - Steam Stator

As you work through this tutorial, you will create a mesh for a blade passage of a steam stator. A typical blade passage is shown by the black outline in the figure below. The stator contains 60 blades distributed about the Z-axis. Within the blade passage, the maximum diameter of the shroud is approximately 97.5 cm.


Radial Compressor

This tutorial teaches you how to:

  • Set machine data and load curve files independently.
  • Specify a “cut-off or square” edge on a blade.
  • Choose an appropriate topology family under ATM Topology.

TurboGrid - Radial Compressor

As you work through this tutorial, you will create a mesh for a blade passage of a radial compressor blade row using the Automatic Topology and Meshing (ATM Optimized) feature. A typical blade passage is shown by the black outline in the figure below. The blade row contains 18 blades that revolve about the negative Z-axis. The blades have cut-off trailing edges. Within the blade passage, the maximum diameter of the shroud is approximately 125 mm.


Axial Fan Using ATM Optimized Topology

This tutorial teaches you how to:

  • Switch to a Meridional (A-R) projection in the viewer.
  • Change the shape and position of the Inlet and Outlet geometry objects which bound the blade passage in the streamwise direction.
  • Use the ATM Optimized feature to generate and customize a mesh as desired.
  • Extend the mesh by adding inlet and outlet domains.

TurboGrid - Axial Fan

This tutorial is very similar to Axial Fan Using Traditional Topology. The notable difference is the use of the ATM Optimized feature to generate and control the mesh. As you work through this tutorial, you will create a mesh for a blade passage of a fan. A typical blade passage, inlet domain, and outlet domain, are shown by the black outline in the figure below.

The fan contains 10 blades that revolve about the negative Z-axis. A clearance gap exists between the blades and the shroud, with a width of 5% of the total span. The shroud diameter is approximately 26.4 cm.


Axial Fan Using Traditional Topology

 This tutorial teaches you how to:

  • Switch to a Meridional (A-R) projection in the viewer.
  • Change the shape and position of theInlet and Outlet geometry objects that bound the blade passage in the streamwise direction.
  • Specify the use of a General Grid Interface on the periodic surfaces of the blade passage.
  • Extend the mesh by adding inlet and outlet domains.

As you work through this tutorial, you will create a mesh for a blade passage of a fan. A typical blade passage, inlet domain, and outlet domain, are shown by the black outline in the figure below.

The fan contains 10 blades that revolve about the negative Z-axis. A clearance gap exists between the blades and the shroud, with a width of 5% of the total span. The shroud diameter is approximately 26.4 cm.

Splitter Blades

This tutorial teaches you how to:

  • Review the topology type for each blade.
  • Create a mesh involving splitter blades.

As you work through this tutorial, you will create a mesh for a blade set of a centrifugal compressor that has splitter blades. A typical blade set is shown by the black outline in the figure below.

TurboGrid - Splitter Blades

The blade row contains 7 blade sets, each containing one main blade and one splitter blade. The blade row revolves about the negative Z-axis. The blades are flank milled and have cut-off trailing edges. Within the blade passage, the maximum diameter of the shroud is approximately 13 cm.


Tandem Vane

This tutorial teaches you how to:

  • Load geometry data from a CFG file.
  • Copy control points and their custom positional offsets from one topology layer to another.
  • Use “sticky” control points.
  • Create a mesh involving tandem vanes.

As you work through this tutorial, you will create a mesh for a blade set of a radial machine component that has tandem vanes. A typical blade set is shown by the black outline in the figure below.

TurboGrid - Tandem Vane

The component has 16 blade sets, each containing one main blade and one tandem vane. A clearance gap exists between each blade and the shroud. Within the blade passages, the maximum diameter of the shroud is approximately 52.2 cm.

You will begin by loading the geometry from a CFG file. You will define the mesh topology with settings that help to reduce mesh skew by making the mesh around each blade more independently-controlled. Finally, you will adjust the topology and generate a fine (high-resolution) mesh.

In order to avoid long processing times, you will establish a reasonable topology before specifying a fine mesh density.


Deformed Turbine

This tutorial teaches you how to:

  • Build a blade set by loading blades separately from files and rotating them into position.
  • Save, load, and rotate periodic surfaces.
  • Make separate and different meshes that are designed to fit together in a CFD simulation.

As you work through this tutorial, you will create meshes for modeling an axial turbine blade row that has a deformed blade. The technique learned here can be extended to model a blade row with several deformed blades. A blade can become deformed after being damaged, for example by the passage of a foreign object.

TurboGrid - Deformed Turbine

The blade row contains 71 blades, one of which is deformed. The blade row revolves about the Z-axis. A clearance gap exists between the blades and the shroud, with a width of 0.05 cm. Within the blade passage, the maximum diameter of the shroud is approximately 56 cm.

In this case, the full 360° geometry must be modeled. You will accomplish this by producing a pair of complementary meshes: one mesh for a blade group consisting of a deformed blade between two undeformed blades, and one mesh for a single undeformed blade. By using 68 instances of the mesh for the undeformed blade, the entire blade row can be modeled.

For compatibility between the two meshes, the mesh density should be comparable. In this case, choose a mesh density of about 250000 nodes per blade. You will also have to ensure that the interface between the meshes has the same shape.


Francis Turbine

This tutorial teaches you how to:

  • Deal with a stepped hub.
  • Use an L-Grid topology.
  • Use edge split controls to increase the mesh density at specific locations.

As you work through this tutorial, you will create a mesh for a blade passage of a Francis water turbine. A typical blade passage is shown by the black outline in the figure below.

TurboGrid - Francis Turbine

The turbine contains 13 blades that revolve about the X-axis. Within the blade passage, the maximum diameter of the shroud is approximately 4.23 m.

The mesh density should be set appropriately for using the SST turbulence model in a CFD simulation.


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