integral equation solver - cst · ¾lossy metal & ohmic sheet ... embedded in cst microwave...

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Integral Equation solverEuropean UGM 2007

J. P. Eberhard

Overview

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Introduction

Integral Equation solver is a Frequency-Domain solver

best suited for

Application fields

Antenna coupling & placement

Radiation pattern analysis

(RCS calculation)

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Introduction

Is based on the Method of Moments & the Multilevel Fast Multi-pole Method

Has optimal complexity in simulation time & memory

Automatic mesh generation

MLFMM Accuracy control

Higher-orderDiscretization→ High accuracy

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New Features for I-solver 2008

Waveguide ports

Far-field source

Lossy metal & Ohmic sheet

E- & H-Field monitors

Automatic fast RCS sweep

Distributed Computing

Fast surface meshing & NASTRAN

import

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Workflow – How to use the I-solver?

Quick Start guide – 4 Steps

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Workflow – How to use the I-solver?

Quick Start guide – Step 2

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Workflow – How to use the I-solver?

Quick Start guide – Step 3

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Workflow – How to use the I-solver?

Quick Start guide – Step 4

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Workflow – How to use the I-solver?

Quick Start guide – Step 4

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Typical applications

Ship & sea water (ε=80), 25 MHz

143x30x3.5m

Mono-poleantenna

Far-field

Surface current

Horn feed

17cm

Far-field

Dielectric lens (ε=2.53), 34.5 GHz

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Typical applications

360° RCS analysis, 0.5 GHz

13mMono-static RCS(horizontal plane)1° step size

Incident plane wave direction

Plane wave

8m

Tank, 1 GHz

Far-field

Surface current

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Conclusion

I-solver is Frequency-Domain solver

For 3D analysis of electrically large structures

Application fieldsAntenna coupling / placement

RCS calculations

Embedded in CST MICROWAVE STUDIO®