F. De Vita, S. Di Marco, F. Costa and P. Turchi
Altran, Italy
Stealth airplanes and ships avoid radar detection by optimizing the shape of surfaces to reflect away from the radar source or absorb its energy. Yet, if a ship or aircraft’s antenna for communication purposes is to operate properly, it cannot be completely covered up. This makes it one of the remaining components with a large radar cross section and can essentially destroy the overall system’s invisibility to radar.
Altran, a global leader in innovation and high-tech engineering consulting, set out to design frequency selective surfaces with geometrical patterns that would optimize the stealth technology. The performance of a FSS is linked to its shape, thickness, choice of substrates and the phasing between individual elements. There are many possibilities, and testing each one physically would be time consuming for designers. Altran turned to simulation with COMSOL Multiphysics to investigate the frequency responses of a variety of shapes and sizes and how they are distributed on a surface in order to find promising candidates in just minutes.
Suggested Stories
The Science of Water Screening
Johnson Screens® are the manufacturers of steel screens that impede debris from lakes and rivers from entering pipes ...
How Reclosers Ensure a Steady Supply of Power: It’s All in the Magnet
When a tree branch touches overhead cables and causes a momentary short circuit, your lights may flicker. A device ...
薬理学カリキュラムへの定量システム薬理学の追加
FDA は製薬会社に製品開発のサイクルの中にシミュレーションを入れて, シミュレーションに強い候補者を探すことを推奨しています. この推奨に応えるべく, オクラホマ大学薬学部は博士課程の教程にシミュレーションを追加しました.
A 100-Fold Improvement in Lithography Resolution Realized with a 150-Year-Old “Perfect Imaging” System
The idea of "perfect imaging", that is a resolution less than the wavelength of light producing the image, was first ...
