HOBBIES is a general-purpose electromagnetic simulation software designed to accurately solve a wide range of electromagnetic engineering problems, including scattering, radiation, and electromagnetic compatibility. Its standout feature is its ability to handle ultra-large-scale electromagnetic models with high precision, making it an essential tool for complex simulations in aerospace, defense, and other advanced engineering fields.
The technical advantages of HOBBIES are rooted in several key innovations:
1) **Ultra-large-scale parallel computing**: HOBBIES excels in handling massive computational tasks, achieving over 90% parallel efficiency when using thousands of cores. This enables the software to tackle large-scale problems with remarkable speed and performance.
2) **Efficient extra-nuclear solution technology**: For large electromagnetic targets like ships or aircraft formations, traditional methods often face memory limitations. HOBBIES' extra-nuclear solution technology can utilize more than 90% of physical memory, significantly outperforming other software that typically struggles to exceed 60% efficiency.
3) **Advanced calculation methods**: The software incorporates cutting-edge algorithms such as high-order moment methods, multi-layer fast multipole methods, high-low frequency mixing techniques, and automatic reduced moment methods. These ensure both speed and accuracy in complex electromagnetic simulations.
4) **Efficient Multi-Objective Optimizer (HEMO)**: HEMO is a powerful optimization module within HOBBIES, ideal for multi-objective design challenges such as antenna layout, radar cross-section (RCS) reduction, and system-level electromagnetic compatibility analysis.
The shape of a carrier plays a critical role in the performance of detailed models for large-scale phased array antennas. Small geometric variations can have significant impacts on signal integrity and radiation patterns.
Electromagnetic interference analysis of ship formations is a challenging task due to the complexity of interactions between multiple vessels. HOBBIES provides precise and efficient solutions for these scenarios.
Electromagnetic field analysis of microwave weapons involves intricate calculations to evaluate their performance and effects. HOBBIES supports these analyses with high accuracy and efficiency.
**Typical applications of HOBBIES software** include:
- **Airborne phased array antenna design**: HOBBIES enables efficient modeling and simulation of high-frequency, large-scale antenna systems.
- **Aircraft carrier radar analysis**: The software handles complex electromagnetic problems involving large numbers of aircraft and helicopters.
- **Aircraft formation radar characteristics**: HOBBIES simulates radar scattering from multiple fighter formations, providing insights into detection and stealth capabilities.
- **Spaceborne antenna layout**: It allows detailed modeling of satellite antennas and evaluates their performance after installation.
**Vehicle formation stealth design** involves optimizing the electromagnetic signature of multiple vehicles operating together. HOBBIES helps engineers achieve better stealth performance through accurate simulations.
**MiG-29 radar detectable distance estimate** demonstrates how HOBBIES can be used to predict the radar visibility of aircraft, aiding in the development of stealth technologies and countermeasures.
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