Engineering You Can Trust. Delivered at Pace.
At Xi Engineering Consultants, we deliver precision measurement, Multiphysics modelling and simulation, digital twins, and machine learning solutions that help clients in renewables, industry, transport, medical and health tech, product development and manufacturing, and construction reduce risk, accelerate development, and optimise performance.
As your trusted innovation partner when you need to move fast, break technical barriers, and ensure compliance in an ever-changing world, we adapt to your needs and support you every step of the way. We collaborate with in-house teams to accelerate R&D, mitigate risk, enable enhanced proactivity, and deliver measurable results.
De-risk Innovation: Engineering Solutions for the Future.
Whether you need to monitor real-world performance, simulate complex systems, or develop predictive digital twins, our team provides the expertise and tools to:
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De-risk R&D and investment decisions
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Solve compliance and regulatory challenges
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Optimise design, performance, and lifetime value
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Turn complex data into clear, actionable insights
We collaborate with in-house teams and project partners to deliver results that are accurate, defensible, and commercially valuable.
A Client-Centric Approach, Engineered for Success
We believe in building strong relationships and understanding your business goals. Our client-centric process ensures seamless communication and collaboration throughout your project.
From the first call, we focus on understanding your needs and delivering outcome-driven results. Our experienced team provides expert guidance and tailored solutions, ensuring your project is delivered on time, within budget, and to the highest standards.
NEWS
How to Reduce Tonal Noise in Wind Turbines | Xi Engineering Consultants
Tonal Noise in Wind Turbines: Causes, Impacts & Engineering Solutions Tonal noise — the narrowband "whine" or "hum" often associated with wind turbines — is more than an annoyance. ...
[Applications Closed] Engineering Project Manager – Edinburgh (Hybrid) | Xi Engineering Consultants Careers
Applications now closed. Job Title: Engineering Project Manager Location: Edinburgh (Hybrid – minimum 3 days on-site) Type: Full Time Salary Range: £35,000–£45,000, depending ...
[Applications Closed] Executive Assistant to CEO – Edinburgh (Hybrid) | Xi Engineering Consultants Careers
Join the Xi team! Applications now Closed. Job Title: Executive Assistant to the CEO Location: Edinburgh (Hybrid – minimum 3 days on-site) Reporting To: ...
Could Glasgow’s Skyline Be Set to Change with Skyscrapers? | Building Planning & Environmental Impact | Xi
How Xi Engineering’s wind microclimate modelling helps shape safer, more comfortable high-rise environments As Glasgow reshapes its skyline with ambitious high-rise developments, one critical question arises: ...
[Applications Closed] Proposal Manager | Join the Xi Engineering Consultants Team
Update: Applications now closed. Job Title: Proposal Manager The Xi Engineering Consultants team is looking for a bright, enthusiastic Proposal Manager to work in our commercial team, alongside ...
Powering the Future of Onshore Wind — Xi Engineering Consultants at All-Energy 2025
A Smarter, Joined-Up Approach to Onshore Wind Lifetime Extension At Xi Engineering Consultants, we believe in engineering that delivers long-term value. That’s why we’re proud to announce the launch ...
Xi Engineering Consultants Partners with Thrust WSH for World Record Water Speed Attempt
We’re thrilled to announce that Xi Engineering Consultants has been named the official data partner for the ambitious ThrustWSH project, led by legendary speed pioneer Richard Noble OBE. This ...
Advancing High-End Audio: Linn’s Approach to Simulation, Digital Twins, and Machine Learning
For over half a century, Linn has crafted some of the world’s finest hi-fi systems. Their commitment to producing top-tier audio systems is evident in their dedication to optimising ...
Redefining High-End Audio: Crafting the Next Generation of Hi-Fi Products
In the rapidly evolving world of hi-end audio, staying ahead of the curve means embracing the latest technological advancements. At Xi Engineering Consultants, we are at the forefront of ...
How to Create an Effective Digital Twin: A Step-by-Step Guide
Creating an Effective Digital Twin: A Step-by-Step Guide A Digital Twin relies on capturing and processing accurate real-world data, combined with a virtual model. To create a high-performing, real-world ...
Seismic Imaging Techniques Adapted to Medical Ultrasound
Understanding Ultrasound Imaging Ultrasound imaging is a common tool in hospitals used to create pictures of the inside of a patient’s body. It's often used for examining unborn babies ...
Microfluidic Droplet Generation – Finite Element Modelling
There is a growing interest, both in industry and academia, in using microfluidic techniques (e.g., cross-flow, flow focussing, and co-flow) to generate droplets in a controlled manner. Such processes ...
Strain Gauging – Why Use Them, How They Work and How We Can Help
Why Strain? Engineers are interested in the effects of applied stresses and forces on structures. Most of the time these stresses are predicted via mathematical methods such ...
Wind Turbine Noise Amplitude Modulation
Amplitude Modulation (AM) relates to the varying characteristic of wind turbine noise which means that it can cause more annoyance than constant, stable noise of a similar level. Xi offer a service for the measurement and rating of AM and have a wealth of experience in making recommendations and designing solutions for noise and vibration issues in the renewables sector.
Mathematical Modelling of Liquid Crystals Using COMSOL Multiphysics
Optimizing Liquid Crystal Displays: Effective 1D and 2D Modelling Incorporating Elasticity, Electrostatics, and Fluid Flow Effects.
Machine Learning Fundamentals, Applications, and Expert Insight
When working with data, there are an enormous number of possible metrics that can be recorded and an enormous number of ways of analyzing them. When developing a work ...
Engineering on Christmas films: Xi’s top 5 picks!
We hope everyone is staying safe and getting into the Christmas spirit. We hope in the festive period you will manage to reflect, recharge and get ready for a healthy and prosperous new year. Following on from our debate about Xi’s top engineering films, the team has debated (again) our top 5 Christmas films, but, this time we dig even deeper into the engineering aspect of them.
Protecting the Edinburgh Zoo Giant Pandas From Stress.
As the pandas depart from Edinburgh Zoo, we wanted to take this opportunity to share our story of involvement and how we protected the pandas from stress by designing a soundproof enclosure. Our efforts to accommodate these remarkable creatures have been a privilege. While we bid them farewell, we're proud to have played a part in their stay. This is how we protected the pandas from stress by using advanced sound measurements and Multiphysics simulation.
Speech Intelligibility Index (STI) & STIPA | Speech Intelligibility Measurements
What is speech intelligibility, Speech Transmission Index (STI) and STIPA? Why is it important and how is it measured? For Public Address & General Alarm (PAGA), Public ...
Ultrasonic Non-Destructive Testing | Finite Element Modelling
Where is ultrasonic non-destructive testing used? From offshore wind turbines, desalination plants, bridges and rail lines, to boats, aircraft motors, pipelines and our own bodies, maintenance is a (hopefully) ...
Using Machine Learning to Classify Ambient Underwater Noise at Floating Offshore Wind Farms
Offshore Wind Farms as a Growing Source of Renewable Energy Offshore wind development continues to grow, providing an important source of renewable energy, with global capacity expected ...
Can Santa Visit Edinburgh? Or will the original ‘Windy City’ keep him from landing?
A Detailed Pedestrian Comfort Wind Microclimate Simulation Feasibility Study As the Xi team counts down the days until Christmas, concern was raised at our weekly meeting. “Will ...
Modelling Lithium Ion Batteries
Modelling Lithium Ion Batteries Batteries are extremely complex systems, and because of that there’s always room for improvement. Indeed, that’s why lithium-ion battery research and development is a massive ...
Overcome your Manufacturing and Prototyping Supply Chain Issues with Simulation
Reduce risks related to supply chain shortages using simulation. Model your original design, analyse performance & make more informed business decisions. What Types of projects can be affected by ...
Introduction to Technology Readiness Levels (TRL)
Improving cost-benefit ratio and reducing risk are key aims for a technology developer when working to get a product to market. This is as true of the early stage ...
Virtual prototyping at a time of social distancing
At Xi, we have a lot of experience working remotely on design and engineering projects. Many companies are having to adapt to new work practices after the Covid-19 outbreak. ...
Machine Learning for Real-Time Acoustic Monitoring
Noise Characterization for Science and Engineering Noise Characterization for Science and Engineering Understanding the causes and properties of noise sources is important in a wide variety of fields, ...
What are Nematic Liquid Crystals? A Brief History and Applications
Most people have, at some stage, been taught that matter exists in one of three states: solids, liquids, and gases. This rather simplified system of classification of matter has been ...
Auditory localization and binaural audio
Auditory localisation and binaural audio The term localisation refers to the ability of humans to determine the location of the source of sound that they hear. Humans achieve this ...
Innovation through digital twin technology
Innovation has always been difficult. It takes time, and, historically, expensive trial and error. Sir James Dyson is renowned for his perseverance in his quest to develop a bag-fee ...
Using Hydrogen to continue to push the boundaries of sustainable energy supply
We as humans require energy, to power our homes, cars, phones and all of the other fantastic technological innovations that continue to change and benefit our lives. But we can’t ...
Modelling wind turbine acoustics: challenges with simulating noise from large objects
A critical part of wind turbine design is making them as quiet as possible, as noise can affect people living close to wind farms. Modelling the acoustic design of wind ...
What is Sound Pressure Level? Frequency weighting, time weighting and loudness
Sound Pressure Level is a quantity used to represent the amplitude of sound, but the perception of loudness does not necessarily directly depend on Sound Pressure Level. It is ...
The importance of Building vibration in Clean Room & Laboratory Design
With the ever-increasing demand for small and precise technology and equipment for both consumer and scientific use (such as nanotechnology), there is a growing need for clean rooms and ...
Connecting Shetland: Environmental Impact of the Shetland HVDC Link
We are leading experts in underwater noise modelling. An expert group of multidisciplinary engineers and scientists, Our team has worked on a wide range of underwater modelling projects with a variety of stakeholders such as regulatory bodies, developers and manufacturers. Xi has successfully collaborated with the Scottish Association of Marine Science (SAMS) on previous projects and has been able to strengthen and deepen its offering by partnering with these organizations and drawing on their significant expertise.
Xi’s acoustic testing process – Complete solutions for noise & vibration
Xi’s team has vast experience in an extensive range of sectors, measuring, diagnosing, and solving our clients’ noise and vibration concerns. Xi provides a complete solution, going further than ...
Mitigating Tonal Noise from Wind Turbines – Up to 15 dB Reduction in Tonal Noise in 3 stages
Tonal noise produced by wind turbines is a serious and often complex issue which can be particularly vexatious to residential communities. Tonal noise emissions are subject to strong regulatory penalties ...
Weird (Sound) Science? A look into our top 3 creepy sounds
Here at Xi, we are both personally and professionally passionate and curious about interesting and challenging questions. This often leads to very entertaining conversations about all things weird and ...
Why sampling frequency matters – how to avoid audio aliasing
Audio Aliasing is an effect which occurs when converting an analogue signal into a digital one with an insufficient sampling frequency. The result of this effect is that the ...
Don’t know how to progress in innovation? Here’s how to get with the programme: Simulation
The future of innovation is using simulation tools like a master craftsperson and harnessing the power of the transistor to reduce the time taken for the 99% perspiration and allow more time for genius. The future of innovation is harnessing simulation and if you haven’t already – let Xi help you get with the programme.
Top engineering films to watch (The Final List)
We hope everyone is staying safe and that the coronavirus pandemic ends soon. For those climbing the walls in lockdown, after lots of online debate between the team, we ...
How to Reduce Tonal Noise in Wind Turbines | Xi Engineering Consultants
Tonal Noise in Wind Turbines: Causes, Impacts & Engineering Solutions Tonal noise — the narrowband "whine" or "hum" often associated with wind turbines — is more than an annoyance. ...
[Applications Closed] Engineering Project Manager – Edinburgh (Hybrid) | Xi Engineering Consultants Careers
Applications now closed. Job Title: Engineering Project Manager Location: Edinburgh (Hybrid – minimum 3 days on-site) Type: Full Time Salary Range: £35,000–£45,000, depending ...
[Applications Closed] Executive Assistant to CEO – Edinburgh (Hybrid) | Xi Engineering Consultants Careers
Join the Xi team! Applications now Closed. Job Title: Executive Assistant to the CEO Location: Edinburgh (Hybrid – minimum 3 days on-site) Reporting To: ...
Could Glasgow’s Skyline Be Set to Change with Skyscrapers? | Building Planning & Environmental Impact | Xi
How Xi Engineering’s wind microclimate modelling helps shape safer, more comfortable high-rise environments As Glasgow reshapes its skyline with ambitious high-rise developments, one critical question arises: ...
[Applications Closed] Proposal Manager | Join the Xi Engineering Consultants Team
Update: Applications now closed. Job Title: Proposal Manager The Xi Engineering Consultants team is looking for a bright, enthusiastic Proposal Manager to work in our commercial team, alongside ...
Powering the Future of Onshore Wind — Xi Engineering Consultants at All-Energy 2025
A Smarter, Joined-Up Approach to Onshore Wind Lifetime Extension At Xi Engineering Consultants, we believe in engineering that delivers long-term value. That’s why we’re proud to announce the launch ...
Xi Engineering Consultants Partners with Thrust WSH for World Record Water Speed Attempt
We’re thrilled to announce that Xi Engineering Consultants has been named the official data partner for the ambitious ThrustWSH project, led by legendary speed pioneer Richard Noble OBE. This ...
Advancing High-End Audio: Linn’s Approach to Simulation, Digital Twins, and Machine Learning
For over half a century, Linn has crafted some of the world’s finest hi-fi systems. Their commitment to producing top-tier audio systems is evident in their dedication to optimising ...
Redefining High-End Audio: Crafting the Next Generation of Hi-Fi Products
In the rapidly evolving world of hi-end audio, staying ahead of the curve means embracing the latest technological advancements. At Xi Engineering Consultants, we are at the forefront of ...
How to Create an Effective Digital Twin: A Step-by-Step Guide
Creating an Effective Digital Twin: A Step-by-Step Guide A Digital Twin relies on capturing and processing accurate real-world data, combined with a virtual model. To create a high-performing, real-world ...
Seismic Imaging Techniques Adapted to Medical Ultrasound
Understanding Ultrasound Imaging Ultrasound imaging is a common tool in hospitals used to create pictures of the inside of a patient’s body. It's often used for examining unborn babies ...
Microfluidic Droplet Generation – Finite Element Modelling
There is a growing interest, both in industry and academia, in using microfluidic techniques (e.g., cross-flow, flow focussing, and co-flow) to generate droplets in a controlled manner. Such processes ...
Strain Gauging – Why Use Them, How They Work and How We Can Help
Why Strain? Engineers are interested in the effects of applied stresses and forces on structures. Most of the time these stresses are predicted via mathematical methods such ...
Wind Turbine Noise Amplitude Modulation
Amplitude Modulation (AM) relates to the varying characteristic of wind turbine noise which means that it can cause more annoyance than constant, stable noise of a similar level. Xi offer a service for the measurement and rating of AM and have a wealth of experience in making recommendations and designing solutions for noise and vibration issues in the renewables sector.
Mathematical Modelling of Liquid Crystals Using COMSOL Multiphysics
Optimizing Liquid Crystal Displays: Effective 1D and 2D Modelling Incorporating Elasticity, Electrostatics, and Fluid Flow Effects.
Machine Learning Fundamentals, Applications, and Expert Insight
When working with data, there are an enormous number of possible metrics that can be recorded and an enormous number of ways of analyzing them. When developing a work ...
Engineering on Christmas films: Xi’s top 5 picks!
We hope everyone is staying safe and getting into the Christmas spirit. We hope in the festive period you will manage to reflect, recharge and get ready for a healthy and prosperous new year. Following on from our debate about Xi’s top engineering films, the team has debated (again) our top 5 Christmas films, but, this time we dig even deeper into the engineering aspect of them.
Protecting the Edinburgh Zoo Giant Pandas From Stress.
As the pandas depart from Edinburgh Zoo, we wanted to take this opportunity to share our story of involvement and how we protected the pandas from stress by designing a soundproof enclosure. Our efforts to accommodate these remarkable creatures have been a privilege. While we bid them farewell, we're proud to have played a part in their stay. This is how we protected the pandas from stress by using advanced sound measurements and Multiphysics simulation.
Speech Intelligibility Index (STI) & STIPA | Speech Intelligibility Measurements
What is speech intelligibility, Speech Transmission Index (STI) and STIPA? Why is it important and how is it measured? For Public Address & General Alarm (PAGA), Public ...
Ultrasonic Non-Destructive Testing | Finite Element Modelling
Where is ultrasonic non-destructive testing used? From offshore wind turbines, desalination plants, bridges and rail lines, to boats, aircraft motors, pipelines and our own bodies, maintenance is a (hopefully) ...
Using Machine Learning to Classify Ambient Underwater Noise at Floating Offshore Wind Farms
Offshore Wind Farms as a Growing Source of Renewable Energy Offshore wind development continues to grow, providing an important source of renewable energy, with global capacity expected ...
Can Santa Visit Edinburgh? Or will the original ‘Windy City’ keep him from landing?
A Detailed Pedestrian Comfort Wind Microclimate Simulation Feasibility Study As the Xi team counts down the days until Christmas, concern was raised at our weekly meeting. “Will ...
Modelling Lithium Ion Batteries
Modelling Lithium Ion Batteries Batteries are extremely complex systems, and because of that there’s always room for improvement. Indeed, that’s why lithium-ion battery research and development is a massive ...
Overcome your Manufacturing and Prototyping Supply Chain Issues with Simulation
Reduce risks related to supply chain shortages using simulation. Model your original design, analyse performance & make more informed business decisions. What Types of projects can be affected by ...
Introduction to Technology Readiness Levels (TRL)
Improving cost-benefit ratio and reducing risk are key aims for a technology developer when working to get a product to market. This is as true of the early stage ...
Virtual prototyping at a time of social distancing
At Xi, we have a lot of experience working remotely on design and engineering projects. Many companies are having to adapt to new work practices after the Covid-19 outbreak. ...
Machine Learning for Real-Time Acoustic Monitoring
Noise Characterization for Science and Engineering Noise Characterization for Science and Engineering Understanding the causes and properties of noise sources is important in a wide variety of fields, ...
What are Nematic Liquid Crystals? A Brief History and Applications
Most people have, at some stage, been taught that matter exists in one of three states: solids, liquids, and gases. This rather simplified system of classification of matter has been ...
Auditory localization and binaural audio
Auditory localisation and binaural audio The term localisation refers to the ability of humans to determine the location of the source of sound that they hear. Humans achieve this ...
Innovation through digital twin technology
Innovation has always been difficult. It takes time, and, historically, expensive trial and error. Sir James Dyson is renowned for his perseverance in his quest to develop a bag-fee ...
Using Hydrogen to continue to push the boundaries of sustainable energy supply
We as humans require energy, to power our homes, cars, phones and all of the other fantastic technological innovations that continue to change and benefit our lives. But we can’t ...
Modelling wind turbine acoustics: challenges with simulating noise from large objects
A critical part of wind turbine design is making them as quiet as possible, as noise can affect people living close to wind farms. Modelling the acoustic design of wind ...
What is Sound Pressure Level? Frequency weighting, time weighting and loudness
Sound Pressure Level is a quantity used to represent the amplitude of sound, but the perception of loudness does not necessarily directly depend on Sound Pressure Level. It is ...
The importance of Building vibration in Clean Room & Laboratory Design
With the ever-increasing demand for small and precise technology and equipment for both consumer and scientific use (such as nanotechnology), there is a growing need for clean rooms and ...
Connecting Shetland: Environmental Impact of the Shetland HVDC Link
We are leading experts in underwater noise modelling. An expert group of multidisciplinary engineers and scientists, Our team has worked on a wide range of underwater modelling projects with a variety of stakeholders such as regulatory bodies, developers and manufacturers. Xi has successfully collaborated with the Scottish Association of Marine Science (SAMS) on previous projects and has been able to strengthen and deepen its offering by partnering with these organizations and drawing on their significant expertise.
Xi’s acoustic testing process – Complete solutions for noise & vibration
Xi’s team has vast experience in an extensive range of sectors, measuring, diagnosing, and solving our clients’ noise and vibration concerns. Xi provides a complete solution, going further than ...
Mitigating Tonal Noise from Wind Turbines – Up to 15 dB Reduction in Tonal Noise in 3 stages
Tonal noise produced by wind turbines is a serious and often complex issue which can be particularly vexatious to residential communities. Tonal noise emissions are subject to strong regulatory penalties ...
Weird (Sound) Science? A look into our top 3 creepy sounds
Here at Xi, we are both personally and professionally passionate and curious about interesting and challenging questions. This often leads to very entertaining conversations about all things weird and ...
Why sampling frequency matters – how to avoid audio aliasing
Audio Aliasing is an effect which occurs when converting an analogue signal into a digital one with an insufficient sampling frequency. The result of this effect is that the ...
Don’t know how to progress in innovation? Here’s how to get with the programme: Simulation
The future of innovation is using simulation tools like a master craftsperson and harnessing the power of the transistor to reduce the time taken for the 99% perspiration and allow more time for genius. The future of innovation is harnessing simulation and if you haven’t already – let Xi help you get with the programme.
Top engineering films to watch (The Final List)
We hope everyone is staying safe and that the coronavirus pandemic ends soon. For those climbing the walls in lockdown, after lots of online debate between the team, we ...
