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High-Frequency Structure Simulation

HFSS Support For EMI/EMC, Antennas And High-Speed Electronics

We use Ansys HFSS and related tools to simulate how electromagnetic fields move through products – from boards and cables to antennas and enclosures. The aim is to spot interference, signal integrity and performance issues early, before hardware is built.

EMI, EMC And Interference

PCB And Electronics

Antennas, Radar And Scattering

Connectors And Cables

WHAT YOU CAN EXPECT

Where HFSS tends to be useful

Designs where high-frequency behaviour matters: wireless devices, radar and sensing systems, high-speed digital boards, RF modules and densely packed electronics. Simulation provides a way to explore field behaviour and coupling paths before committing to layouts or enclosures.

HOW WE COLLABORATE

How we position HFSS

HFSS is a 3D field solver that complements lab testing and compliance work. We use it to support design and pre‑compliance, not as a replacement for standards or measurements, and keep models as simple as they can be while still answering the question.

Share a brief description of the product, frequency range and concerns; we will respond with suggested scope.

High-Frequency Structure Simulation

Examples of HFSS work we undertake

The examples below mirror the themes from your HFSS pillar and typical industrial use of high‑frequency EM simulation.

EMI, EMC and interference

Understanding emissions, susceptibility and desense

Board‑level EMI/EMC analysis

identify likely radiation paths, coupling between traces and enclosure resonances before testing.

Pre‑compliance simulation

use HFSS to support EMC design reviews and reduce iterations in accredited labs.

System‑level interference

explore RF desense issues across devices with multiple radios, sensors and cables.

PCB and electronics

Signal and power integrity in high‑speed designs

High‑speed PCB and package analysis

evaluate transmission lines, vias and interconnects for impedance, loss and crosstalk.

Signal integrity (SI)

simulate eye diagrams, reflections and timing margins for critical interfaces.

Power integrity (PI)

assess return paths, decoupling strategies and PDN behaviour using HFSS‑based workflows.

Antennas, radar and scattering

From single elements to arrays and installed performance

Antenna design and placement

design and tune antennas, then assess performance once integrated into products or platforms.

Radar and scattering studies

examine radar cross‑section, field distribution and coverage for sensing applications.

Phased arrays and beamforming

explore array behaviour, mutual coupling and basic beam steering patterns.

Connectors and cables

Interconnects, harnesses and enclosure interfaces

RF and high‑speed connectors

model connector geometry and transitions to ensure matching and minimise reflections.

Cable and harness behaviour

analyse fields around cables, harnesses and shields to manage emissions and susceptibility.

Enclosure and interface design

explore how apertures, seams and feedthroughs affect EM performance.

If your product includes antennas, high‑speed electronics or tight EMC requirements, HFSS‑based simulation can help structure design decisions and pre‑compliance work.

We can start with one board, antenna or enclosure and grow from there.

High-Frequency Structure Simulation

How we work

The approach mirrors our other simulation practices, with an emphasis on modest claims and traceable steps.

Clarify the device, environment and standards

Define the product, frequency ranges, interfaces and target standards or performance metrics.

Agree which parts of the geometry need 3D EM treatment and which can stay at circuit level.

Set expectations on accuracy and how simulation will complement lab testing.

Keep models and results easy to use

Document assumptions, boundaries and solver choices in everyday language.

Provide field plots and metrics alongside concrete layout, shielding or placement recommendations.

Where useful, hand over HFSS projects so your team can iterate designs independently.

Curious Whether HFSS Is A Fit? Share a short description or sketch of your system and we'll respond with an informal view on applicability, effort and likely value – before you commit to a full project.

PROOF, NOT PROMISES

CUSTOMER SUCCESS STORIES, BY INDUSTRY

A sample of engagements across our sectors. More case studies are being prepared as current programmes reach a publishable stage.

SUBMARINE MAST THERMAL ANALYSIS DLRL
DEFENCE & NAVAL

SUBMARINE MAST THERMAL ANALYSIS DLRL

Conjugate heat-transfer simulation of a submarine mast assembly, validating thermal margins for embedded electronics under sustained operational loads.

CFD · Thermal · DLRL
ADVANCED FILTRATION SYSTEM CFD — ERIKS UK
INDUSTRIAL & PROCESS

ADVANCED FILTRATION SYSTEM CFD — ERIKS UK

Multiphase CFD study of an advanced filtration system for ERIKS UK's Expel range, characterising pressure drop and flow uniformity across duty conditions.

CFD · Multiphase · ERIKS - UK · Expel
DATA-CENTER HVAC COOLING
AEROSPACE

DATA-CENTER HVAC COOLING

Delivered a CFD-driven HVAC cooling assessment that verified system redundancy, optimized cooling performance, and ensured reliable operations.

HVAC

Engineering Intelligence. Proven by Physics.

Discover how AI-driven engineering simulation and multiphysics solutions solve complex challenges across defence, aerospace, marine, and industrial sectors.

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