2011 ANSYS, Inc. March 10, 2014 1

ANSYS Release 15 Webinar Series

HFSS 2014: New Features and Advances

Gaurav Hada ANSYS India

2011 ANSYS, Inc. March 10, 2014 2

Faster Solvers in HFSS

Improved SI flow New Alinks, HFSS from SIwave

Improved Finite Antenna Array DDM Solver

Improved Multiphysics flow

Hybrid Solving Improvements

What was new in HFSS 15 (last year)?

2011 ANSYS, Inc. March 10, 2014 3

Design Flow Automation

HFSS 3D Layout

3D Component Library

Numerical Solver Advances

Distributed Memory Direct Matrix Solver

Phi Mesher

Spatial Material Properties

Curvilinear Elements in HFSS-IE

Miscellaneous

3D modeler, scripting

New HPC UI and enhancements

New Licensing

Numerous feature additions

Todays Agenda Whats new in HFSS 2014

2011 ANSYS, Inc. March 10, 2014 4

Design Flow Automation

HFSS 3D Layout

3D Component Library

2011 ANSYS, Inc. March 10, 2014 5

Introducing the New 3D Layout Flow with HFSS

2011 ANSYS, Inc. March 10, 2014 7

HFSS: Arbitrary 3D or 3D Layout

No change to 3D product, licenses added to enable layout

ensemble_gui

nexxim_gui

Required Installs

HFSS, Designer

or

ANSYS EM Suite

3rd Party 3D CAD Bi-Directional

3D Component Library

3D Editor Native

Scripted Footprints

3rd Party Layout Translation

Arbitrary 3D

3D Layout

Layout Editor Native

Toolkits Script Customization

Toolkits Script Customization Parametric

Variations

Parametric Variations

2011 ANSYS, Inc. March 10, 2014 8

Features for HFSS 3D Layout

Parametric Layout Editor

Stackup Etch Factor/Layer Offset

Padstacks

Trace parameters

Finite Dielectrics

Hierarchy

Solver

Integrated HFSS solver

Integrated PlanarEM - 2.5D MoM

DC S-parameter from Q3D

Embedded RLC and/or S-Parameters for HFSS

Post-Processing

Network Data Explorer and Full-Wave SPICE

Integration with industry CAD

Cadence, Zuken, Mentor and Altium

HFSS Accuracy from Layout

2011 ANSYS, Inc. March 10, 2014 9

Stackup Editor - Manufacturing Tolerances

Image courtesy of AMKOR Overetching and Underetching

2011 ANSYS, Inc. March 10, 2014 10

Layer Stackup Editor - Parameterization

Via Radius Trace Widths

Fully parameterized padstack geometry Vias

Pads

Layer based or per each net/polygon Trace widths

2011 ANSYS, Inc. March 10, 2014 11

Automatic Ports Setup Right click > Select Edges > Click on Ports Edges

Wave or Lumped ports depending on routing type

Wave or Lumped Ports

Gap (Lumped) Port

Wave Port

Convert Lumped to Wave Port

2011 ANSYS, Inc. March 10, 2014 12

Now included with HFSS

Fast solve 2D conductors

Infinite GND

Early in the design process

Leverage HFSS and 3D FEM with adaptive meshing in the later stages

PlanarEM 2.5D Method of Moments

2011 ANSYS, Inc. March 10, 2014 13

Advanced Features in HFSS 3D Layout

Embedded Components DC data point for S-parameters with Q3D solver Lumped line ports N port s-parameter blocks

An HFSS Sparse Matrix

2011 ANSYS, Inc. March 10, 2014 14

Embedded Components S-parameters or RLC components

No requirement to mesh a boundary condition or to add ports for connecting terminals of a device

Includes ability to represent these component models via S-parameters

2011 ANSYS, Inc. March 10, 2014 15

Solve DC point with Q3D Extractor engine

Bringing together two best-in-class 3D solvers for hyper-accurate extraction of broadband models for packages and PCBs

Integrated DC solver

Automatic application of source and sinks for Q3D

Calculated non-complex DC point

2011 ANSYS, Inc. March 10, 2014 16

Impressed current source with user defined parallel impedance load

Easy to set up

Effective when it is not possible to create geometries for wave or lump ports

Can be applied to both intra and inter-plane connections

New Lumped Circuit Ports in 3D Layout

2011 ANSYS, Inc. March 10, 2014 17

Layout interface: 3D full-wave electromagnetics with HFSS

Layout interface: Integrated Optimetrics

Layout interface: Integrated Full-Wave Spice

Layout Interface: Integrated Planar EM Solver

Layout Interface: DC S-parameters from Q3D

HFSS 3D Layout

Included!

Included!

Included!

Included!

Included!

2011 ANSYS, Inc. March 10, 2014 18

Design Flow Automation

HFSS 3D Layout

3D Component Library

2011 ANSYS, Inc. March 10, 2014 19

3D Simulation Components User Defined Save and reuse Share with

partners and colleagues

Created from 3D modeler

Self-contained Geometries Material

properties Boundary

conditions Excitations

3D Component Library

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Options for Saving

Mesh Ops Also!

2011 ANSYS, Inc. March 10, 2014 21

3D Component Library in HFSS 2014

2011 ANSYS, Inc. March 10, 2014 22

Advancements in Numerical Solving Technologies

Distributed Direct Matrix Solver

Advanced Phi Mesher for Layout

GPU Support for HFSS Transient

Advanced Modeling Techniques

2011 ANSYS, Inc. March 10, 2014 23

Distributed Memory Direct Matrix Solver

Direct Matrix Solver: Greatest accuracy with best efficiency for many ports/excitations

Distributed now provides access to more memory and cores Only with ANSYS Electronics HPC

Example: Trunk Mounted Antenna Matrix size: 12M Memory: 714 GB Machines: 6 (128 GB) Time: 3 hours

2011 ANSYS, Inc. March 10, 2014 24

A new mesher designed for layout

Enhanced Layout Meshing: Phi Mesher

Tau / Classic Full 3D geometries

Very general input

Heavy load on mesher

Very accurate 3D mesh

2D / Prismatic

Meshers ECAD Layouts only

Very fast

Less Accurate solvers

PHI Mesher

Speed of 2D/Prismatic

Accuracy of Tau/Classic

For ECAD layout

2011 ANSYS, Inc. March 10, 2014 25 1

10

100

1000

10000

10000 100000 1000000 10000000 100000000

CP

U t

ime

in s

eco

ns

Number of tets, NlogN scaling

0

10

20

30

40

50

60

70

1000 10000 100000 1000000 10000000

Spee

d U

p

Classic Mesh Size (Num Tets)

Extremely fast meshing for layered designs

New Phi Mesher in HFSS 3D Layout

20-40x faster than classic

1 million tets in 2 minutes

10 million tets is 20 minutes

2011 ANSYS, Inc. March 10, 2014 26

DGTD (HFSS Transient) and FDTD lend themselves to a high degree of parallelization

Now HFSS Transient can leverage GPUs for faster simulations

GPU Support for HFSS Transient

PROJECT # Tets Tesla K20c

Intel X5675

8 cores

GPU vs. 8

core CPU

Dipole small 21K 0:03:45 0:08:00 1.83

Dipole large 51K 0:08:07 0:19:51 2.42

Landmine 32K 0:02:37 0:05:50 2.22

Leadframe Connector small 36K 0:04:43 0:04:31 0.95

Leadfram Connector large 108K 0:03:17 0:07:18 2.22

FlipChip Package 39K 0:02:40 0:00:44 0.275

GSM Antenna mixed order 75K 0:59:43 2:58:41 2.95

GSM Antenna 1st order 133K 6:34:08 34:18:55 5.21

PROJECT # Tets Tesla K20c

Intel X5675

8 cores

GPU vs. 8

core CPU

Dipole small 21K 0:03:45 0:08:00 1.83

Dipole large 51K 0:08:07 0:19:51 2.42

Landmine 32K 0:02:37 0:05:50 2.22

Leadframe Connector small 36K 0:04:43 0:04:31 0.95

Leadfram Connector large 108K 0:03:17 0:07:18 2.22

FlipChip Package 39K 0:02:40 0:00:44 0.275

GSM Antenna mixed order 75K 0:59:43 2:58:41 2.95

GSM Antenna 1st order 133K 6:34:08 34:18:55 5.21

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Spatially dependent material properties and boundary conditions

Example: Luneburg Lens

Spatial Material Dependence

PEC Half Plane

2011 ANSYS, Inc. March 10, 2014 29

Curvilinear elements provide more accurate representation of curved surfaces

Efficient: Fewer elements required to accurately represent curved surfaces

Examples: NASA Almond

Curvilinear Elements for HFSS-IE

2011 ANSYS, Inc. March 10, 2014 30

Curvilinear elements: Accurate mesh rendering of curved dish surface

Rectilinear elements produced paired echoes from periodic faceting

Need finer mesh for accuracy

Curvilinear elements save

Mesh

Memory

Time

Curvilinear Element: Offset Parabolic Dish

35 @ 9 GHz FEM (feed) and IE (dish) 51.5 mins and 8 GB with 4 adaptive passes

Rectilinear

Changing faceting

2011 ANSYS, Inc. March 10, 2014 31

Offset Parabolic Dish Results

Rectilinear 15 Rectilinear 5 Curvilinear 15

Rect 5 false side lobes

Rect 15 main beam unresolved

R5 75 mins, 8.5 GB C15 50 mins, 7 GB

2011 ANSYS, Inc. March 10, 2014 32

Use measured E and/or H field data as radiation source

Also use fields from other simulations where the IP needs to be protected

A near field model of the device analogous to a touchstone s-parameter model.

External Field Data as Source

Near fields around PCB with associated far field radiation pattern

2011 ANSYS, Inc. March 10, 2014 33

High Performance Computing

New easy-to-use HPC UI

Hierarchical HPC

Distributed Solving

2011 ANSYS, Inc. March 10, 2014 34

Solving Faster and Bigger HFSS problems

Multi-processing w HPC Spectral and Domain Decomposition Method w

HPC

Robust Design w DSO

*Distributed Solve Option is a separate license and is not included with HPC

0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 18.00 20.00F [GHz]

-80.00

-70.00

-60.00

-50.00

-40.00

-30.00

-20.00

-10.00

0.00

Y1

Ansoft Corporation Nexxim1Differential S-parameters Curve Info

HPC products, Electromagnetics HPC and DSO, enable:

DDM

2011 ANSYS, Inc. March 10, 2014 35

Improved HPC UI

Improved HPC/Analysis UI

Improved accessibility

Unification of solver options

Smart assignment of cores to tasks

Two level solutions, e.g. parameters then DDM

Dynamic distribution preview

2011 ANSYS, Inc. March 10, 2014 36

Parametric sweep of near field coil location

Application: Wireless Power Transfer

10mm - 100mm, 10mm steps

Using HPC Distributed Solve Option, DSO

Serial Parametric Time 7:05:14

Parallel Parametric Time Five parameters in parallel

1:29:51

4.8X faster

HPC Example: Phone with NFC

H fields

2011 ANSYS, Inc. March 10, 2014 37

Modeling and Post Processing Enhancements

2011 ANSYS, Inc. March 10, 2014 38

ACIS R23.2

SolidWorks and Autodesk Inventor importing

Multi-lump sheet wrapping

Rotated coordinate systems with Euler angles

3D Modeler Enhancements

Wrap Multi-lumped Antenna

2011 ANSYS, Inc. March 10, 2014 39

UDMs and UDPs via IronPython

Easier than C/C++ code

Platform Independent

Easy to combine with scripts to create complex models and toolkits

Utility scripts, sample codes added to help create new UDM/UDPs quickly

UDM/UDP With IronPython

C/C++ Code Equivalent Python Code bool getAllFaces( long partId, long* numFaces, long** faceIds, void* callbackData);

faceIds = udmFunctionLibrary.GetAllFaces(partId)

long unite( long numParts, long* partds, void* callbackData); lret = udpFunctionLibrary.Unite(partIds)

long detachFaces( long nSize, long* faceIds, long* partIds, void* callbackData);

(lret, partIdList) = udpFunctionLibrary.DetachFaces(nSize, faceIds)

2011 ANSYS, Inc. March 10, 2014 40

New HFSS Licensing

Linear circuit addition to HFSS

New workflow based bundles

2011 ANSYS, Inc. March 10, 2014 41

Workflow-Based Bundled Solutions

HFSS 2014 at SP1

HFSS

HPC

SI Option

RF Option

HFSS-IE Solver

HFSS-TR Solver

ALinks

Distributed Solve

Option

Optimetrics

HFSS-TR Transient Circuit Analysis

SI Option

Integrated Non-linear Circuit Analysis, DC, Transient

RF Option

Includes 2 DSO Solve Tasks Optimetrics

Integrated Linear Circuit Analysis

HFSS

New in ANSYS 15.0 SP1

2011 ANSYS, Inc. March 10, 2014 43

Thank You