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Electrostatic Analysis with EMWorks

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What is Electrostatic Analysis? 

Electrostatic analysis is a fundamental technique within the realm of electromagnetics, focusing on the study of electric fields, charges, and their interactions in electrostatic equilibrium. This analysis provides engineers and researchers with invaluable insights into the behavior of electric fields and their influence on various materials and systems. By solving complex equations related to electric potential, charge distribution, and capacitance, electrostatic analysis aids in optimizing designs for applications ranging from electronic circuits to high-voltage systems. It also plays a vital role in ensuring the safe and efficient operation of devices by identifying potential issues related to electrostatic discharge, insulation breakdown, and electric field distribution. Electrostatic analysis is a cornerstone in the broader field of electromagnetics, contributing to advancements in technology, electronics, and various other industries. 

Key Features and Benefits of Electrostatic Analysis 

Comprehensive Electrostatic Field Simulation 

EMS provides precise simulations, including support for axis-symmetry and planar simulations, enabling accurate design optimization. 

User-Friendly Interface 

With an intuitive graphical interface and access to extensive training materials via a demo viewer, EMS ensures ease of use. 

Parametric Simulation

Explore the impact of geometric and simulation parameter variations on your design, gaining valuable insights through user-defined scenarios. 

Electrostatic Force Calculation

EMS computes electrostatic forces affecting different parts of your model, essential for assessing mechanical stability and device performance. 

Voltage Breakdown Prediction 

Predict voltage breakdown between electrodes, identifying potential areas of damage and device failure. Visualize electric field distribution and potential contours within your model. 

Versatile Application Range

While not suitable for axis-symmetric and planar geometries, which are handled by EMWorks2D, EMS remains versatile for various electrostatic applications, including insulators, high voltage components, capacitors, and electrostatic precipitators. 

Efficiency and Cost Savings

EMS aids in achieving efficiency and cost savings by identifying and addressing design issues early, saving valuable time and resources. 

Unlock the Potential of Electrostatic Analysis 

Unlock the potential of the Electrostatic module to delve into a myriad of devices and explore various insulating and conducting phenomena. Here's a glimpse into the diverse range of applications: 

Prevent Dielectric Breakdown 

In high voltage and high-power scenarios, safeguard against the rapid reduction in the resistance of electrical insulators. This crucial measure prevents sparks from jumping around or penetrating the insulator, a phenomenon known as dielectric breakdown. 

Tackle Corona Effect 

Address the ionization of the fluid surrounding conductors, effectively mitigating the corona effect. This is particularly vital in power transmission equipment, transformers, capacitors, electric motors, and generators. 

Harness Corona Production 

Explore applications that require corona production, such as ozone manufacturing, particle scrubbing in air-conditioning systems, nitrogen lasers, aircraft surface charge removal during flight, and electrostatic copying. 

Ensure Proper Grounding 

Guarantee the proper grounding of high voltage machinery, enhancing safety and operational efficiency. 

Minimize Electrostatic Discharge 

In the realm of PCB and electronic designs, reduce electrostatic discharge to maintain device integrity and performance. 

Optimize Actuation Force 

In the domain of MEMS and RF-MEMS designs, ensure precise actuation forces for optimal device functionality. 

Prevent Cross Talk and Distortion

Eliminate cross talk and distortion in electronic devices, enhancing their overall performance and reliability. 

Track Charged Particle Trajectories

Ensure that charged particles follow desired trajectories, facilitating precise control in various applications. 

Compute Capacitance Matrix 

Dive into the intricate world of high-speed electronic circuits and interconnects by calculating the capacitance matrix, encompassing self-capacitance and mutual capacitance. 

Analyze Electric Fields

Gain insights into electric fields, electric flux, and voltage in insulators and around conductors, aiding in the design and optimization of electrical systems. 

High-Voltage Testing

Conduct comprehensive high-voltage testing and analysis, ensuring the reliability of electrical components in critical applications. 

Industries and Sub-Industries 

Semiconductor Manufacturing

Optimize semiconductor manufacturing processes by controlling electrostatic forces to prevent damage to delicate microstructures. 

Aerospace Industry 

Address electrostatic issues in aircraft, ensuring safety during flights by managing surface charge and potential discharge. 

Energy Sector

Improve the efficiency of power generation and distribution systems by mitigating corona discharge and optimizing insulator design. 

Consumer Electronics

Enhance the reliability of consumer electronic devices by minimizing electrostatic interference and optimizing circuit layouts. 

Medical Devices

Ensure the precise actuation of medical devices in applications like infusion pumps, microfluidics, and diagnostic equipment to guarantee patient safety and accurate results. 

Automotive Industry 

Optimize electronic control units (ECUs) and sensors, reducing the risk of interference and improving the overall performance of vehicle electronics. 


Minimize signal distortion and interference in telecommunications equipment, ensuring the reliability of data transmission and reception. 


Control electrostatic forces in robotic systems to prevent malfunction and ensure precise movements, critical in industries like manufacturing and healthcare. 

Research and Development

Conduct experiments and research in various fields, including material science, physics, and chemistry, where electrostatic phenomena play a significant role. 

Renewable Energy 

Enhance the efficiency of renewable energy systems like wind turbines and solar panels by managing electrostatic forces to reduce wear and tear. 


Address electrostatic discharge (ESD) issues in the production and handling of microelectronic components, preventing damage to sensitive devices. 

E-commerce Packaging 

Optimize packaging designs to minimize electrostatic charges, reducing the risk of damage to electronic goods during shipping. 

Chemical Processing

Manage electrostatic forces in chemical processing plants to prevent hazardous sparks and explosions, ensuring worker safety and environmental protection. 

Materials Testing

Evaluate the electrical properties of materials, helping researchers and engineers develop innovative materials for various applications. 

Oil and Gas Industry

Mitigate electrostatic risks in oil and gas operations, particularly in environments where flammable gases are present. 

Food and Beverage Industry

Control electrostatic charge in food processing and packaging to prevent contamination and ensure product safety. 

Space Exploration

Study electrostatic interactions in spacecraft and satellites to ensure their proper functioning in the harsh conditions of outer space. 

Electrical Insulation Design

Optimize the design of electrical insulation materials and systems to meet safety standards and improve the reliability of electrical infrastructure. 

Environmental Monitoring 

Use electrostatic sensors to monitor air quality and detect pollution, aiding in environmental conservation efforts. 

Electrostatic software for all insulators 

The Electrostatic module primarily serves as a tool for calculating electric potential and electric field resulting from charges and voltages in insulators and conductors. Its versatile applications encompass: 

High Voltage Components

Ensure the safe and reliable operation of high voltage components by managing electrostatic forces and preventing electrical breakdown. 

Insulating Systems

Optimize insulation materials and designs to withstand electrostatic stress, critical for high voltage applications. 

EMC Compatibility (Electromagnetic Compatibility)

Address electrostatic interference issues in electronic systems to ensure proper EMC compliance. 

Bus Bars

Control electrostatic charges in bus bar systems to prevent electrical faults and ensure efficient power distribution. 

MEMS (Micro-Electro-Mechanical Systems)

Assure proper actuation forces in MEMS devices by managing electrostatic forces, crucial for micro-scale mechanical systems. 


Design effective electromagnetic shielding systems by analyzing electrostatic interactions and minimizing electromagnetic interference (EMI). 


Optimize the electrostatic properties of cables to ensure reliable data transmission and power distribution in various applications. 


Manage electrostatic forces in switchgear equipment to prevent electrical failures and improve electrical grid reliability. 


Address electrostatic issues in transformers to enhance energy efficiency and reduce power losses. 

Electronic Tubes 

Optimize electrostatic conditions in electronic tubes for better performance and longevity. 


Improve the design of capacitors by analyzing their electrostatic properties, crucial for energy storage and electronic circuits. 

Power Transmission Lines

Ensure the safe and efficient transmission of electrical power by managing electrostatic interactions in power lines. 


Control electrostatic stress in bushings to prevent insulation breakdown in electrical equipment. 

PCBs (Printed Circuit Boards)

Reduce electrostatic discharge risks in PCB and electronic designs to enhance the reliability of electronic devices. 


Manage electrostatic discharge (ESD) to protect semiconductor devices during manufacturing and operation. 


Optimize electrostatic properties in aircraft components, satellite systems, and spacecraft to prevent electrical malfunctions and ensure mission success. 

Telecommunications Towers

Control electrostatic forces in the construction and maintenance of tall telecommunications towers to ensure the safety of workers and equipment. 

Nuclear Reactors

Manage electrostatic charges in nuclear reactors and related equipment to prevent potential hazards and ensure the safety of nuclear facilities. 

Chemical Reactors

Address electrostatic risks in chemical reactors to prevent sparks and explosions during chemical processes, enhancing worker safety and environmental protection. 


Minimize electrostatic charges in cleanroom environments to protect sensitive manufacturing processes, such as semiconductor fabrication. 

Medical Imaging Equipment

Optimize the electrostatic behavior of medical imaging devices like MRI machines to ensure image clarity and patient safety. 

Aerospace Propulsion

Manage electrostatic forces in aircraft engines and rocket propulsion systems to prevent ignition and enhance performance. 

Particle Accelerators

Control electrostatic interactions in particle accelerators to ensure the precision of experiments and research in high-energy physics. 

Electric Vehicles

Address electrostatic issues in electric vehicle (EV) charging systems and battery management to improve EV reliability and safety. 

Oil Refineries

Mitigate electrostatic risks in oil refineries during the processing and transportation of petroleum products. 

Data Centers

Manage electrostatic charges in data centers to prevent damage to sensitive electronic equipment and ensure uninterrupted operation. 


Optimize electrostatic conditions in electron microscopes and other high-precision imaging equipment for accurate scientific observations. 

Textile Industry

Control electrostatic charges in textile manufacturing to improve product quality and reduce safety hazards. 

Pharmaceutical Manufacturing

Address electrostatic challenges in pharmaceutical production, especially in powder handling and tablet coating processes. 

Water Treatment Plants

Manage electrostatic forces in water treatment facilities to prevent equipment damage and maintain water quality. 

Industrial Automation

Ensure the reliability of electrostatic sensors and actuators used in industrial automation systems. 

Satellite Communication

Optimize electrostatic conditions in satellite communication systems to ensure uninterrupted connectivity. 

Solar Panel Manufacturing

Control electrostatic charges during the manufacturing of solar panels to improve energy efficiency. 

Rail Transportation

Address electrostatic issues in railway systems to ensure the safe and efficient operation of trains and tramways. 

These diverse applications highlight the critical role of electrostatic analysis and design across various industries, from aerospace and healthcare to manufacturing and energy. Effectively managing electrostatic phenomena is essential for enhancing safety, performance, and efficiency in modern technology and infrastructure. 

Calculate the electric field stress, capacitance, and more 

The Electrostatic module not only calculates electric field stress and capacitance but also provides an array of valuable outputs for each study, including: 

  • Electrostatic potential 
  • Electric field 
  • Electric stress 
  • Voltage breakdown 
  • Electric flux density 
  • Capacitance matrix 
  • Force 
  • Torque 
  • Stored energy 

These comprehensive results empower engineers and designers to thoroughly analyze and optimize their electrostatic systems, ensuring optimal performance and reliability.