Remcom Announces XFdtd Electrostatic Solver for Touchscreen Design

Remcom announces a new electrostatic solver for XFdtd® Electromagnetic Simulation Software. The electrostatic solver enables the use of XFdtd’s Capacitance Matrix Simulation, a critical feature for designing electronics with Touchscreen Panel (TSP) technology.

The electrostatic solver is integrated with XFdtd’s User Interface and uses the program’s existing CAD import and geometry creation capabilities. To support touchscreen capacitance applications, the electrostatic solver detects dielectric materials in the static solution, allowing the software to analyze touchscreen electrodes that are fixed between multiple layers of plastics. The solver computes the self- and mutual-capacitance matrix between any number of conductors in a model. Other design requirements the solver supports include:

  • Extensive support for complex geometries allows for analysis within fully populated devices
  • 3D voltage and electric field distributions
  • Stylus analysis, including parametrization of position relative to nodes
  • Compatible with XFdtd’s Poseable Hands and third-party biological files
  • CAD import and geometry creation

Rodney Korte, product manager for XFdtd, said, “Simulation has become an essential element of touchscreen design as devices have grown more complex, and software must be able to support extremely large and complicated models. The new electrostatic solver capitalizes on XFdtd’s efficiencies to compute the capacitance matrix for any size problem, whether it’s a 3×3 electrode model or one at 16×32.”

The new electrostatic solver is available as an add-on module for XFdtd or may be purchased as a stand-alone product. Contact Remcom for pricing and additional specifications, or visit to learn more.

About Remcom
Remcom provides innovative electromagnetic simulation software and consulting. XFdtd, the company’s full wave 3D EM solver, simplifies the analysis of complex EM problems and leads the market in FDTD-based modeling and simulation. Remcom’s products are used for antenna design, bio-EM effects, MRI, microwave circuits, RFID, military and defense applications, EMC/EMI, and more. Remcom is committed to its customers’ unique needs, offering flexible licensing options for installations of all sizes as well as custom engineered solutions.

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