• Which Products are you interested in ?

    CST offers a wide range of EM simulation software to address design challenges across the electromagnetic spectrum, from static and low frequency to microwave and RF, for a range of applications, including EDA & electronics, EMC & EMI and charged particle dynamics.

  • Antenna Magus
  • IdEM
  • FEST3D
  • Optenni Lab
  • Looking for a Training, Workshop or eSeminar ?

    CST STUDIO SUITE® is being demonstrated at trade shows and workshops all over the world. Take a look at the list of conferences and exhibitions CST will be attending and get further information regarding CST workshops, eSeminars and training days.

  • TrainingsRegular training courses are held in CST's offices in Asia, Europe, and North America. Please check our trainings section for detail of trainings in all over the globe. Advance registration is normally required.

  • WorkshopsCST hosts workshops in multiple languages and in countries around the world. Workshops provide an opportunity to learn about specific applications and refresh your skills with experienced CST support staff. Make sure you visit our workshop section.

  • eSeminarsThroughout the year, CST simulation experts present eSeminars on the applications, features and usage of our software. You can also view past eSeminars by searching our archive and filtering for the markets or industries that interest you most.

  • Check our latest Events
  • Why create a MyCST Account ?

    A MyCST account may facilitate your access to many of the offerings on the CST website, for example the registration for eSeminars and the watching of eSeminars recordings, setting email preferences, and there is more functionality to come. It is required to participate in workshops and trainings.

  • Personal PreferencesAllows you to update your email preferences and areas of interest. It helps us to personalize your experience.

  • EventsSearch for events by location, industry and application. Once you are registered, you will be able to manage your registrations and check important details about your events. This section also provides you with a repository for Workshop & Training material.

  • LibraryYou can collect articles you find on the CST website to reference or read later by clicking on the “Add this article” button at the bottom of the article page.

  • Create Your Own Account
  • Need technical Support ?

    Customers can customize their accounts once they have completed the account creation process. This platform acts as vivid interface between CST and our customers.

    We therefore offer access to the latest Service Packs (including an automatic notification that a new Service Pack is available), a steadily growing database of Frequently Asked Questions (FAQs), Application Notes and Training Videos, as well as an individual FTP section for easy exchange of large files with our support team.

  • Do I need an Account?To access the Support Site a valid maintenance contract and a one-time registration is required.

    Please note that your Support login does not work for the MyCST account.

  • Get Support
  • How to request a Trial License ?

    Get your license in only three steps:

    1. Fill in the required fields in the contact form on the right and click "Send Us Your Request".

    2. Lean back and wait until one of our CST Experts contacts you.

    3. Enjoy a our trial license.

  • Student Edition

    Student Edition The CST STUDIO SUITE® Student Edition has been developed with the aim of introducing you to the world of electromagnetic simulation, making Maxwell’s equations easier to understand than ever. With this edition you have, bar some restrictions, access to our powerful visualization engine and some of the most advanced solvers of CST STUDIO SUITE.

    Student Edition

CST – Computer Simulation Technology

Electromagnetic simulation solvers

CST Studio Suite® gives customers access to multiple electromagnetic (EM) simulation solvers which use methods such as the finite element method (FEM) the finite integration technique (FIT), and the transmission line matrix method (TLM). These represent the most powerful general purpose solvers for high frequency simulation tasks. Additional solvers for specialist applications such as electrically large or highly resonant structures complement the general purpose solvers. Alongside these are simulation methods for low frequency, charged particle, electronics, and multiphysics problems.

The seamless integration of the solvers into one user interface in CST Studio Suite enables the easy selection of the most appropriate simulation method for a given problem class, delivering improved simulation performance and unprecedented simulation reliability through cross-verification.

A ray tracing solver which is efficient for extremely large structures.

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A 3D solver for simulating resonant structures.

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A planar filter synthesis tool containing a database with a wide variety of filter types.

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A synthesis tool for designing cross-coupled bandpass filters.

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A powerful multi-purpose 3D full-wave solver, based on the finite element method.

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A 3D full-wave solver, based on the method of moments technique, for simulating electrically large structures.

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 A 3D full-wave solver that is optimized for simulating planar microwave structures. 

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 A powerful and versatile multi-purpose 3D full-wave solver that can perform broadband simulations in a single run.

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A 3D solver for simulating static electric fields.

A 3D solver for simulating the flow of DC currents through a device.

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A 3D solver for simulating static magnetic fields.

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A 3D solver for simulating the time-harmonic behavior in low frequency systems that is useful for simulations of coils used for wireless power transfer.

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A 3D solver for simulating the transient behavior in low frequency systems which include eddy currents, non-linear effects and motion. Resistive-capacitive effects may also be modeled.

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A set of thermal solvers and mechanical solvers developed to complement the electromagnetic simulation workflow.

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A self-consistent simulation method for particle tracking that calculates both particle trajectory and electromagnetic fields in the time-domain.

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A 3D solver for simulating particle trajectories through electromagnetic fields.

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A solver that calculates the fields around a particle beam and the wakefields produced through interactions with discontinuities.

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High frequency solvers


Low frequency solvers


Particle Dynamics solvers


Multiphysics solvers


  • Thermal Solvers – electromagnetic heating, bio heat, electronic cooling
  • Structural Mechanics Solver – thermal expansion, deformation



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