Mechanical Updates in ANSYS 2019 R2 – Webinar

With ANSYS structural analysis software, users are able to solve more complex engineering problems, faster and more efficiently than ever before. Customization and automation of structural solutions is much easier to optimize thanks to new and innovative finite element analysis (FEA) tools available in this product suite. 

Once again, ANSYS is able to cement their role as industry leaders when it comes to usability, productivity, and reliability; adding innovative functionality to an already groundbreaking product offering. ANSYS structural analysis software continues to be used throughout the industry, and for good reason as it enables engineers to optimize their product design and reduce the costs of physical testing. 

Join PADT’s Specialist Mechanical Engineer Joe Woodward, for an in-depth look at what’s new in the latest version of ANSYS Mechanical, including updates regarding: 

  • Software User Interface
  • Topology Optimization
  • Rigid Body Dynamics
  • Post Processing
  • And much more
Natural frequency study of engine block in ANSYS Mechanical

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All Things ANSYS 041: Simulating Additive Manufacturing in ANSYS 2019 R2

 

Published on: July 15th, 2019
With: Eric Miller & Doug Oatis
Description:  

In this episode your host and Co-Founder of PADT, Eric Miller is joined by PADT’s Lead Mechanical Engineer Doug Oatis, to discuss the tools that make up the ANSYS Additive family of products (Additive Suite, Additive Print, & Additive Prep), and how those tools help to make 3D printing more effective and easier to navigate.

If you would like to learn more about what’s available in this latest release check out PADT’s webinar on Additive Manufacturing Updates Updates in ANSYS 2019 R2 here: https://bit.ly/2JHWYxn

If you have any questions, comments, or would like to suggest a topic for the next episode, shoot us an email at podcast@padtinc.com we would love to hear from you!

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Simulation for Additive Manufacturing In ANSYS 2019 R2 – Webinar

Additive manufacturing (3D Printing) has been rapidly gaining popularity as a true manufacturing process in recent years. ANSYS’ best-in-class solution for additive manufacturing enables simulation at every step in your AM process, and helps to optimize material configurations, and machine & parts setup before printing begins. 

Through the use of ANSYS tools such as Additive Suite & Additive Print, paired with topology optimization capabilities in ANSYS Mechanical Workbench, the need for physical process of trial-and-error testing has been greatly reduced. 

Join PADT’s Simulation Support and Application Engineer Doug Oatis for an exploration of the ANSYS tools that help to optimize additive manufacturing, and what new capabilities are available within them when upgrading to ANSYS 2019 R2. This presentation includes updates regarding:

  • Archiving materials no longer in use
  • Visualization of AM process
  • AM overhang angles
  • Preview part & support
  • And much more

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All Things ANSYS 040: Live From the 2019 ASME Turbo Expo – CFD Applications for Turbomachinery

 

Published on: July 1st, 2019
With: Eric Miller, Robin Steed of ANSYS, & Chris Robinson of PCA Engineers Limited
Description:  

In this episode your host and Co-Founder of PADT, Eric Miller is joined by ANSYS CFX & Turbo Tools Lead Technical Product Manager Robin Steed, and Managing Director at PCA Engineers Limited, Chris Robinson, live at the 2019 ASME Turbo Expo in Phoenix Arizona, for a discussion on the past, present, and future of ANSYS CFD and its use in the realm of turbomachinery. Both Robin and Chris have multiple years of experience working in this industry, and their expertise provided some fascinating insight into what this tool is all about.

If you would like to learn more about what’s available in the latest CFD update check out PADT’s webinar on Fluids Updates in ANSYS 2019 R2 here: https://bit.ly/2J6l5We

If you have any questions, comments, or would like to suggest a topic for the next episode, shoot us an email at podcast@padtinc.com we would love to hear from you!

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All Things ANSYS 039: Updates for Design Engineers in ANSYS 2019 R2

 

Published on: June 17th, 2019
With: Eric Miller, Ted Harris, & Tom Chadwick
Description:  

In this episode your host and Co-Founder of PADT, Eric Miller is joined by PADT’s Simulation Support Manager Ted Harris, and Senior CFD Engineer Tom Chadwick for a discussion on what new capabilities (beta or otherwise) are available for design engineers in the latest updates made to Discovery Live in ANSYS 2019 R2.

If you would like to learn more about this update and see the tool in action, along with others in the 3D Design family of products (Discovery AIM, SpaceClaim & Live) check out PADT’s webinar on the topic here: https://bit.ly/2KfO0tK

If you have any questions, comments, or would like to suggest a topic for the next episode, shoot us an email at podcast@padtinc.com we would love to hear from you!

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Fluids Updates in ANSYS 2019 R2 – Webinar

ANSYS CFD goes beyond qualitative results to deliver accurate quantitative predictions of fluid interactions and trade-offs. These insights reveal unexpected opportunities for your product — opportunities that even experienced engineering analysts can miss.

Products such as ANSYS Fluent, Polyflow, and CFX work together in a constantly improving tool kit that is developed to provide ease of use improvements for engineers simulating fluid flows and it’s impacts on physical models.

Join PADT’s Simulation Support and Application Engineer, Sina Ghods, for a look at what is new and improved for fluids-related tools in ANSYS 2019 R2. This presentation includes updates regarding:

A new fluent experience

Parallel Mosaic-enabled meshing

Discrete Phase Modeling

Creating high-quality meshes for complex models

Transient elasticity for fluid structure interaction

And much more

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3D Design Updates in ANSYS 2019 R2 – Webinar

When it comes to the exploration of rapid 3D design, simulation provides a more efficient and optimized workflow for design engineers looking to streamline product development and improve product performance. The toolkit of flagship ANSYS 3D design products made up of Discovery SpaceClaim, Discovery Live, and Discovery AIM allow users to build, and optimize lighter and smarter products with an interface easier to use than most other simulation products. 

Users can delve deeper into the details of a design with the same accuracy as other, more robust ANSYS tools, all while refining their concept and introducing multiple physics simulations to better account for real-world conditions.

Join PADT’s Simulation Support Manager Ted Harris, for a look at what’s new for this line of products with the release of ANSYS 2019 R2. Explore updates for these three tools including:

  • Shared Topology
  • Meshing
  • Navigation
  • Modal Supports 
  • Multi-physics Coupling
  • Topology Optimization 
  • And much more

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Meshing Updates in ANSYS 2019 R2 – Webinar

An intelligent, high-quality mesh is at the core of any effective simulation based model; creating the basis for what will help to drive valuable results for even the most complex engineering problems.

Among a variety of tools in ANSYS 2019 R2 are enhanced meshing capabilities that can help reduce pre-processing time and provide a more streamlined solution.

Join PADT’s Specialist Mechanical Engineer, Joe Woodward for a look at what new meshing capabilities are available in the latest release of ANSYS. This presentation will focus predominately on updates regarding:

ANSYS Mechanical Meshing
Batch Connections
Axisymmetric Sweep
Layered Tetrahedron Enhancements
Local Sizing Enhancements
SpaceClaim Meshing
Parameter Management
Direct Modeling/Meshing
Hex Meshing
Block Decomposition

And much more!

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“Equation Based Surface” for Conformal and Non-Planar Antenna Design

ANYSY HFSS provides many options for creating non-planar and conformal shapes. In MCAD you may use shapes such as cylinders or spheres, and with some steps, you can design you antennas on various surfaces. In some applications, it is necessary to study the effect of curvatures and shapes on the antenna performance. For example for wearable antennas it is important to study the effect of bending, crumpling and air-gap between antenna and human body.

Equation Based Surface

One of the tools that HFSS offers and can be used to do parametric sweep or optimization, is “Draw equation based surface”. This can be accessed under “Draw” “Equation Based Surface” or by using “Draw” tab and choosing it from the banner (Fig. 1)

Fig. 1. (a) Select Draw -> Equation Based Surface
Fig. 1. (b) click on the icon that is highlighted

Once this is selected the Equation Based Surface window that opens gives you options to enter the equation with the two variables (_u, _v_) to define a surface. Each point of the surface can be a function of (_u,_v). The range of (_u, _v) will also be determined in this window. The types of functions that are available can be seen in “Edit Equation” window, by clicking on “…” next to X, Y or Z (Fig. 2). Alternatively, the equation can be typed inside this window. Project or Design Variables can also be used or introduced here.

Fig. 2. (a) Equation Based Surface window
Fig. 2. (b) Clikc on the “…” next to X and see the “Edit Equation: window to build the equation for X

For example an elliptical cylinder along y axis can be represented by:

This equation can be entered as shown in Fig. 3.

Fig. 3. Elliptical surface equation

Variation of this equation can be obtained by changing variables R1, R2, L and beta. Two examples are shown in Fig. 4.

Fig. 4. Elliptical surface equation

Application of Equation Based Surface in Conformal and Non-Planar Antennas

To make use of this function to transfer a planar design to a non-planar design of interest, the following steps can be taken:

  • Start with a planar design. Keep in mind that changing the surface shape can change the characteristics of the antenna. It is a good idea to use a parameterized model, to be able to change and optimize the dimensions after transferring the design on a non-planar surface. As an example we started with a planar meandered line antenna that works around 700MHz, as shown in Fig. 5. The model is excited by a wave port. Since the cylindrical surface will be built around y-axis, the model is transferred to a height to allow the substrate surface to be made (Fig 5. b)
Fig. 5. Planar meandered antenna (a) on xy plane, (b) moved to a height of 5cm
  • Next, using equation based surface, create the desired shape and with the same length as the planar substrate. Make sure that the original deisgn is at a higher location. Select the non-planar surface. Use Modeler->Surface->Thicken Sheet … and thicken the surface with the substrate thickenss. Alternatively, by choosing “Draw” tab, one can expand the Sheet dropdown menu and choose Thicken Sheet. Now select the sheet, change the material to the substrate material.
Fig. 6. Thicken the equation based surface to generate the substrate
  • At this point you are ready to transfer the antenna design to the curved surface. Select both traces of the antenna and the curved substrate (as shown in Fig. 7). Then use Modeler->Surface->Project Sheet…, this will transfer the traces to the curved surface. Please note that the original substrate is still remaining. You need not delete it.
Fig. 7. Steps for transferring the design to the curved surface (a)

Fig. 7. Steps for transferring the design to the curved surface (b)

Fig. 7. Steps for transferring the design to the curved surface (c)
  • Next step is to generate the ground plane and move the wave port. In our example design we have a partial ground plane. For ground plane surface we use the same method to generate an equation based surface. Please keep in mind that the Z coordinate of this surface should be the same as substrate minus the thickness of the substrate. (If you thickened the substrate surface to both sides, this should be the height of substrate minus half of the substrate thickness). Once this sheet is generate assign a Perfect E or Finite Conductivity Boundary (by selecting the surface, right click and Assign Boundary). Delete the old planar ground plane.
Fig. 8. Non-planar meandered antenna with non-planar ground

Wave Port Placement using Equation Based Curve

A new wave port can be defined by the following steps:

  • Delete the old port.
  • Use Draw->Equation Based Curve. Mimicking the equation used for ground plane (Fig. 9).
Fig. 9. Use Equation Based Curve to start a new wave port (a) Equation Based Curve definition window (b) wave pot terminal created using equation based curve and sweep along vector
  • Select the line from the Model tree, select Draw->Sweep->Along Vector. Draw a vector in the direction of port height. Then by selecting the SweepAlongVector from Model tree and double clicking, the window allows you to set the correct size of port height and vector start point (Fig. 10).
  • Assign wave port to this new surface.
Fig. 10. Sweep along vector to create the new wave port location

Similar method can be used to generate (sin)^n or (cos)^n surfaces. Some examples are shown in Fig. 11. Fig. 11 (a) shows how the surface was defined.

Fig. 11. (a) Equation based surface definition using “cos” function, (b), (c), & (d) three different surfaces generated by this equation based surface.

Effect of Curvature on Antenna Matching

Bending a substrate can change the transmission line and antenna impedance. By using equation based port the change in transmission line impedance effect is removed. However, the overall radiation surface is also changed that will have effects on S11. The results of S11 for the planar design, cylindrical design (Fig. 8), cos (Fig. 11 b), and cos^3 (Fig. 11 c) designs are shown in Fig. 12. If it is of interest to include the change in the transmission line impedance, the port should be kept in a rectangular shape.

Fig. 12. Effect of curvature on the resonance frequency.

Equation based curves and surfaces can take a bit of time to get used to but with a little practice these methods can really open the door to some sophisticated geometry. It is also interesting to see how much the geometry can impact a simple antenna design, especially with today’s growing popularity in flex circuitry. Be sure to check out this related webinar  that touches on the impact of packaging antennas as well. If you would like more information on how these tools may be able to help you and your design, please let us know at info@padtinc.com.

You can also click here to download a copy of this example.

All Things ANSYS 037 – Optimizing the Industrial Internet of Things with ANSYS Digital Twins

 

Published on: May 20th, 2019
With: Eric Miller & Matt Sutton
Description:  

In this episode your host and Co-Founder of PADT, Eric Miller is joined by PADT’s Senior Analyst and Lead Software Developer, Matt Sutton for a discussion on the industrial internet of things, and how ANSYS Digital twins helps companies make confident predictions about future product performance, reduce the cost and risk of unplanned downtime, and improve future product development processes.

If you would like to learn more about this update and see the tools in action, check out PADT’s webinar covering ANSYS Twin Builder here: http://alturl.com/ccjjq

If you have any questions, comments, or would like to suggest a topic for the next episode, shoot us an email at podcast@padtinc.com we would love to hear from you!

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Discovery Updates in ANSYS 2019 R1 – Webinar

The ANSYS 3D Design family of products enables CAD modeling and simulation for all design engineers. Since the demands on today’s design engineer to build optimized, lighter and smarter products are greater than ever, using the appropriate design tools is more important than ever.

Two key tools helping design engineers meet such demands are ANSYS Discovery AIM and ANSYS Discovery Live. ANSYS Discovery AIM seamlessly integrates design and simulation for all engineers, helping them to explore ideas and concepts in greater depth, while Discovery Live operates as an environment providing instantaneous simulation, tightly coupled with direct geometry modeling, to enable interactive design exploration.

Both tools help to accelerate product development and bring innovations to market faster and more affordably.

Join PADT’s Simulation Support Manager, Ted Harris for a look at what exciting new features are available for design engineers in both Discovery Live and AIM, in ANSYS 2019 R1. This webinar will include discussions on updates regarding: 

  • Suppression of loads, constraints, & contacts
  • Topology Optimization
  • Improving simulation speed
  • Transferring data from AIM to Discovery Live

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Analyze, Visualize, and Communicate – What’s New With EnSight In ANSYS 2019 R1 – Webinar

Effective prototyping in today’s day and age requires not only an understanding of your product’s capabilities but also those of the environment it operates in, and how said environment impacts its use.

Engineers are finding that it is no longer possible to ignore the interactions between fluids and the structures that surround them, as they strive to optimize their product’s performance. 

EnSight helps you visualize coupled fluid-structure interaction data to gain the insights you need; providing a highly effective environment regardless of the complexity of the situation and the simulation being run. After exploring your data, EnSight can also be used to create a high quality visual representation to effectively communicate your results, thanks to the ability to place your model in immersive environments, add realistic lighting conditions, and so much more. 

Join PADT’s CFD Team Lead Engineer, Clinton Smith as we explore the capabilities of this tool, and take a look at what’s new in ANSYS 2019 R1, including updates on:

  • Parallel Fluent to Parallel Ensight capabilities
  • Transnational visual symmetry
  • EnVision handling of multi-panel display
  • And much more

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All Things ANSYS 034 – Celebrating 25 Years of ANSYS Simulation: Changes In The Last Quarter Century & Where The Future Will Take Us

 

Published on: April 8th, 2019
With: Eric Miller, Ted Harris, Tom Chadwick, Sina Ghods, & Alex Grishin
Description:  

In this episode your host and Co-Founder of PADT, Eric Miller is joined by PADT’s Ted Harris, Tom Chadwick, Sina Ghods, and Alex Grishin, for a round-table discussion on their experience and history with simulation, including what has changed since they started using it and what they’re most impressed and excited by, followed by some prediction and discussion on what the future may hold for the world of numerical simulation.

Thank you again for those of you who have made the past 25 years something to remember, and to those of you who have come to know PADT more recently, we look forward to what the next 25 will bring.

If you have any questions, comments, or would like to suggest a topic for the next episode, shoot us an email at podcast@padtinc.com we would love to hear from you!

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Simulate Multibody Dynamics More Accurately with ANSYS Motion – Webinar

As mechanical systems continue to get more advanced and interconnected, there is an ever growing need for tools that can accurately analyze the impacts of various forces on the entirety of the system. Mechanical systems often contain complex assemblies of interconnected parts undergoing large overall motion, and thus require engineering simulation for optimal design.

Tools that produce multibody dynamics solutions are better able to account for these components and thus provide more accurate results quicker than running simulations of each component individually. 

One of the latest offerings from ANSYS Inc. is designed to do just that.

ANSYS Motion is a third generation engineering solution based on an advanced multibody dynamics solver. It enables fast and accurate analysis of rigid and flexible bodies and gives accurate evaluation of physical events through the analysis of the mechanical system as a whole. ANSYS Motion uses four tightly integrated solving schemes: rigid body, flexible body, modal and mesh-free EasyFlex. This gives the user unparalleled capabilities to analyze systems and mechanisms in any desired combination.

Join PADT’s Senior Staff Technologist, Jim Peters for a look at how this tool works, along with a deeper dive into its benefits and capabilities, including:

  • Multiple Advanced Toolkits
  • Various Application Areas
  • Accurate Boundary Conditions
  • Easy Interface with Other Software
  • Tightly Integrated Multi-body & Structural Analysis Solvers
  • And Much More

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All Things ANSYS 033 – Using ANSYS Simulation to Disrupt the World of Capacitor Technology

 

Published on: March 25th, 2019
With: Eric Miller & Sean Katsarelis
Description:  

In this episode your host and Co-Founder of PADT, Eric Miller is joined by Sean Katsarelis form Polycharge for a discussion on how they leverage the ANSYS Startup Program and simulation tools to disrupt the world of capacitor technology.

Listen as they discuss the various capabilities and applications best suited for this market, along with updates on the worlds of PADT and ANSYS.

If you have any questions, comments, or would like to suggest a topic for the next episode, shoot us an email at podcast@padtinc.com we would love to hear from you!

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