Ansys DME Component Libraries
Bring Mission and Systems Modeling Capabilities to Your Software Solutions

This library provides essential architectural elements and algorithms for modeling time, position, and orientation for accurate vehicle propagation, sensor modeling, and intervisibility calculations. Functionality includes:

• Manipulation of scalars, points, axes, vectors, and reference frames
• Precise platform positioning and orientation
• High-fidelity, time-based intervisibility algorithm accounting for apparent motion, including light-time-delay and atmospheric refraction

Employs a highly optimized terrain caching implementation to account for terrain when computing altitudes and performing intervisibility and coverage computations. Utilize terrain and 3D data provided by a Geospatial Content Server.

Enables the computation of asset coverage over point sets, lines, regions, volumes, and dynamic platforms to measure effectiveness using:

• Flexible gridding algorithms
• Complex coverage definitions
• Extensible figures of merit

Provides computational elements for analyzing RF signal transmission between moving or stationary platforms with configurable signal processing and propagation models.

This library extends the capabilities of the Communications Library to provide radar system performance analysis, including:

• Attitude- dependent radar target cross- section modeling
• Support for monostatic and bistatic radar systems
• Multiple target signal returns and intended target identification
• Metrics for dwell time, integrated signal-to-noise ratio, and probability of detection

Expands the capabilities of the Communications and Radar libraries with loss prediction over irregular terrain and seawater.

Model the GPS constellation using various data formats and configurable receivers to compute the navigational accuracy of terrestrial and spatial points. This library Includes algorithms for:

• Dilution of Precision (DoP)
• Navigational accuracy
• Receiver Autonomous Integrity Monitoring (RAIM)

Using vehicle-specific characteristics, generate trajectories and attitudes for aircraft, ground vehicles, and ships. Functionality includes:

• Pre-defined route procedures
• Vehicle attitude modeling
• Terrain-constrained procedures

Incorporate support for dynamically acquired data using the elements from this library. Integrate processing, visualization, and analysis for the development of decision support, situational awareness, and distributed simulation applications using:

• Optimized one-point analysis
• Data filtering and event processing
• Software transactional memory system
• Archiving and playback

Provides industry-recognized force model algorithms for numerically propagating satellite orbit state and covariance through any orbit regime including, LEO, MEO, GEO, HEO, and interplanetary missions. Includes impulsive and finite maneuver modeling capabilities.

Supplies architectural elements for computing vehicle trajectories where the manner of propagation changes with time:

• Performing numerical propagation with arbitrary stopping conditions.
• Solving for a trajectory by varying initial conditions and other propagation settings subject to arbitrary constraints on the motion and final conditions.

Propagate an aircraft through various maneuvers subject to flight phase performance models and wind effects. With defined aerodynamic and propulsion models, the aircraft’s orientation is determined by assuming coordinated flight.

DME Component Libraries contain robust simulation and systems modeling capabilities enhanced by a collection of visualization library options serving the needs of desktop applications and web-first designs:

• Cesium Library: Visualize time-dynamic objects and analysis on a 3D globe or 2D map natively in a web browser. 
• Insight3D Visualization Library (Windows only): Visualize time-dynamic objects and analysis with this embedded control in your custom desktop applications.

Geospatial Content Server provides a comprehensive enterprise solution for hosting, processing, serving, and analyzing terrain, imagery, and other heterogeneous 3D data.

• Process and curate varied terrain data sources into a global unified global tileset for hosting 
• Efficient streaming to client applications using open standards terrain runtime format, Quantized Mesh, avoiding vendor lock-in
• 3D Tiles, Cesium’s open specification for streaming massive heterogeneous 3D geospatial datasets, is the format of choice for the Geospatial Content serve