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Defense & Aerospace

Weapons systems, mission-planning, radar/sonar signal processing, flight dynamics

16 articles

Article

SIMDIS: NRL''s Track Visualization and Analysis Platform for Defense Simulation Environments

SIMDIS (Simulation Data Interchange Standard) is the U.S. Naval Research Laboratory''s free 3D track visualization and analysis tool, purpose-built for defense test and evaluation. It natively ingests DIS, HLA, and TENA data streams to render entity tracks, sensor beams, and weapon engagement zones in a georeferenced 3D environment. This article covers its core architecture, multi-source track fusion, sensor beam visualization, and practical post-mission analysis workflows.

By Jeff 106 views
Article

MATLAB Phased Array System Toolbox: Radar and Sonar Signal Processing Simulation for Defense Engineers

The MATLAB Phased Array System Toolbox provides defense engineers with a comprehensive environment for modeling radar, sonar, and EW signal chains—from waveform generation and beamforming to CFAR detection and multi-target tracking. This article covers MVDR/LCMV beamforming, STAP for GMTI radar, LPI waveform design, and Simulink/HIL integration workflows.

By Jeff 131 views
Article

Missile DATCOM: Aerodynamic Coefficient Prediction for Guided Munitions and Tactical Missiles

Missile DATCOM is the U.S. Air Force's semi-empirical aerodynamic prediction tool for missiles, rockets, and finned projectiles, covering Mach 0.1 to 20+ and angles of attack from 0° to 180°. This article covers its NAMELIST input format, coefficient table generation workflow, 6-DOF simulator integration, Monte Carlo dispersion analysis, and best practices for defense engineering programs.

By Jeff 197 views
Article

PX4 SITL with Gazebo: Hardware-in-the-Loop UAV Simulation for Defense and Autonomous Systems Development

PX4 Software-in-the-Loop (SITL) paired with the Gazebo physics engine provides defense engineers with a closed-loop UAV simulation environment that runs actual flight-control firmware against high-fidelity sensor models. This article covers the three-layer architecture, GPS-denied resilience testing, multi-vehicle swarm simulation, and CI/CD integration for automated GNC regression testing.

By Jeff 485 views
Article

OpenRocket: High-Fidelity Rocket Trajectory Simulation for Aerospace Engineers

OpenRocket is a free, open-source 6-DOF rocket simulation tool widely used by aerospace engineers and defense researchers for trajectory prediction, stability analysis, and Monte Carlo range safety analysis. This article covers its aerodynamic model, motor integration, Monte Carlo dispersion workflows, and best practices for defense and research applications.

By Jeff 171 views
Article

GMAT (General Mission Analysis Tool): Precision Orbit Determination and Maneuver Planning for Defense Space Operations

The General Mission Analysis Tool (GMAT) is an open-source, high-fidelity space mission analysis platform used extensively in defense space operations for satellite conjunction screening, orbital maneuver planning, and space situational awareness. This article examines GMAT's force model configuration, VNB-frame maneuver targeting, conjunction analysis workflows, and Python API integration for automated screening pipelines.

By Jeff 120 views
Article

JSBSim: Open-Source Flight Dynamics Modeling for High-Fidelity Aerospace Simulation

JSBSim is a portable, open-source C++ flight dynamics model library that solves the full nonlinear 6-DOF equations of motion for rigid-body aircraft. This article covers its aerodynamic table configuration best practices, HIL integration patterns, Monte Carlo dispersion workflows, and Python/SITL bindings for autonomous UAV development.

By Jeff 354 views
Article

OpenAMASE: Mission-Level Air Vehicle Simulation for Autonomous Systems Testing

OpenAMASE (Air Mission Autonomous Systems Environment) is an open-source, mission-level simulation framework developed by AFRL for testing autonomous multi-UAV coordination algorithms. This article explores its architecture, integration with OpenUxAS, and practical workflows for ISR mission simulation.

By Jeff 123 views
Article

MATLAB Aerospace Blockset: Six-Degree-of-Freedom Flight Dynamics Modeling for Defense Applications

The MATLAB Aerospace Blockset provides defense and aerospace engineers with a comprehensive Simulink library for building high-fidelity six-degree-of-freedom flight dynamics models. This article explores the 6-DOF equations of motion, aerodynamic coefficient table integration, atmosphere and wind disturbance modeling, and hardware-in-the-loop workflows used in defense programs.

By Jeff 305 views
News

Ansys 2025 R2 Introduces AI Engineering Copilot for Intelligent Simulation Workflows

Ansys releases its 2025 R2 software update featuring the Engineering Copilot, an AI-driven virtual assistant that provides real-time guidance and enables physics-based simulations up to 1000x faster than traditional methods. The release integrates AI capabilities across the entire Ansys portfolio, democratizing advanced simulation for engineers.

By Jeff 438 views