Ansys SIwave
Simulation & CAE software
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What is Ansys SIwave
Ansys SIwave is an electronics simulation tool focused on signal integrity (SI), power integrity (PI), and electromagnetic analysis for printed circuit boards (PCBs) and IC packages. It is used by PCB designers and electrical engineers to evaluate interconnect behavior, power distribution networks, and high-speed channel performance before fabrication. The product emphasizes extraction-based workflows from layout data and integrates with broader Ansys electronics simulation and multiphysics environments.
SI/PI focused PCB analysis
SIwave targets PCB and package-level SI/PI problems such as PDN impedance, resonances, and high-speed interconnect effects. It supports workflows that start from layout data to create simulation-ready models without requiring users to build geometry from scratch. This focus makes it more specialized for electronics interconnect analysis than general-purpose numerical computing tools.
Layout-driven model extraction
The tool is designed to import common PCB/package design data and extract electrical models for analysis. This reduces manual setup effort compared with building equivalent circuits or simplified geometries in more general CAD/CAE environments. It also helps teams iterate on layout changes and re-run analyses as designs evolve.
Ecosystem integration with Ansys
SIwave fits into the Ansys electronics portfolio, enabling handoffs to other solvers and workflows for broader electromagnetic or multiphysics studies. This can support cross-domain analysis when electrical behavior needs to be evaluated alongside thermal or mechanical constraints. It also aligns with enterprise practices around shared materials, libraries, and simulation governance within the same vendor stack.
Narrower scope than CAD suites
SIwave is not a general mechanical CAD or product design platform, so it does not replace tools used for full 3D mechanical modeling or assembly design. Teams typically still need dedicated ECAD and MCAD systems for authoring and managing design geometry. This can add integration and data-management overhead in mixed toolchains.
Licensing and cost complexity
Ansys products commonly use modular licensing and add-on capabilities, which can make total cost and entitlement planning non-trivial. Organizations may need to budget for additional solvers or options depending on required analyses and accuracy targets. This can be a barrier for smaller teams compared with lower-cost or open-source numerical tools.
Setup and expertise requirements
Accurate SI/PI results depend on correct stackup definitions, material properties, boundary conditions, and meshing/extraction settings. Users often need domain expertise in high-speed design and electromagnetic simulation to interpret results and avoid misleading conclusions. New users may face a learning curve relative to more general engineering tools with simpler workflows.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Ansys SIwave (commercial license / part of Ansys Electronics portfolio) | Contact Ansys / Quote (no public list price on Ansys website) | Specialized PCB/package SI/PI/EMI simulation. Available as a standalone product within the Ansys Electronics Desktop and as part of Ansys Electronics bundles; purchase/licensing requires contacting Ansys Sales or a reseller. No public per-user or per-month pricing shown on the official product pages. |
Seller details
ANSYS, Inc.
Canonsburg, Pennsylvania, USA
1970
Public
https://www.ansys.com/
https://x.com/ansys
https://www.linkedin.com/company/ansys-inc/
