• Seamless integration of higher-order 3D-MoM and BoR-MoM solvers with high-frequency analysis methods in GRASP
  • Automatic meshing of all GRASP geometry objects and imported CAD files using curved patches (quadrilaterals)
  • Application of discontinuous Galerkin method to combine differently meshed objects
  • Analysis of general 3D composite metallic/dielectric structures
  • Import of user-defined meshes


  • Higher accuracy than competing MoM solvers
  • Reduced analysis time, speeding up antenna design
  • Full-wave analysis of antennas and platforms measuring thousands of square wavelengths
  • Analysis of highly detailed models, providing better comparison with measurements
  • Confidence in your design

Detailed geometry modelling

The analytic feed models in GRASP fall short when more complex feed systems are employed, for example an ultra-wide band horn feeding a single-offset reflector. A much more accurate prediction is obtained when the detailed geometry is modelled and the feed is excited by means of a waveguide port. In addition to accurately modelling the feed radiation and scattering in the antenna support structure, the feed return loss is also an output parameter from the analysis.

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Minimum memory requirement, maximum speed

Guaranteeing minimum memory requirement and maximum computation speed, our MoM solver uses a combination of higher-order basis functions to represent the currents and up to fourth-order curved patches for surfaces and second-order curves for wires. An in-house developed MLFMM tailored to the higher-order MoM algorithm makes it practical to perform a detailed analysis of the scattering from an entire satellite platform on stand-alone computers of modest size.

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Definition of complicated geometries in CAD files

In addition to automatic meshing of all the standard geometrical objects definable in GRASP, the MoM/MLFMM option also allows for import of more complex configurations through a CAD file (STEP format). The advanced mesher will ensure an optimum segmentation in quadrilaterals, enabling the user to analyse extremely complex configurations involving antennas and surrounding structures.

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Unique mesh-robust implementation

Implementation of a discontinuous Galerkin method enables the user to combine objects that are meshed with completely different parameters - an optimum approach in terms of efficiency. Moreover, MoM allows for easy combination of different input meshes as the connectivity is controlled through a user-definable tolerance parameter.

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Contact us

Your project may be complex, but we keep things simple. If you have any questions about our software or services, or you need expert consultancy, we are here to help.

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