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High-fidelity data (HiFi) includes data that was produced by a person or Stochastic Process that closely matches the operational context of interest. For example, in wing design optimization, high-fidelity data uses physical models in simulation that produce results that closely match the wing in a similar real-world setting. [5]
Modeling and simulation (M&S) is the use of models (e.g., physical, mathematical, behavioral, or logical representation of a system, entity, phenomenon, or process) as a basis for simulations to develop data utilized for managerial or technical decision making.
A simulation is a way to implement the model, often employed when the model is too complex for the analytical solution. A steady-state simulation provides information about the system at a specific instant in time (usually at equilibrium, if such a state exists). A dynamic simulation provides information over time.
Human-in-the-loop simulation of outer space Visualization of a direct numerical simulation model. Historically, simulations used in different fields developed largely independently, but 20th-century studies of systems theory and cybernetics combined with spreading use of computers across all those fields have led to some unification and a more systematic view of the concept.
For the Maricopa Association of Governments, Caliper developed the largest high-fidelity microsimulation model ever attempted. Using TransModeler, vehicle traffic was simulated within a 500 square mile area of Phoenix using a microscopic model with a .1 second time step.
A validation space ("reality") represents the fine model, for example, a high-fidelity physics model. The optimization space, where conventional optimization is carried out, incorporates the coarse model (or surrogate model), for example, the low-fidelity physics or "knowledge" model. In a space-mapping design optimization phase, there is a ...
VSR's digital human model, Santos (R), stands at the center of its digital human modeling and simulation research. [25] The high-fidelity, biomechanically and biofidelic accurate musculoskeletal model incorporates 215 degrees of freedom, including the hand, [26] feet, and eyes. The dimensions of the skeleton are mutable, able to represent any ...
Ziegler's Architecture for Modeling and Simulation M&S in the JCID process. A virtual or constructive model usually focuses on the fidelity or accuracy of the element being represented. A live simulation, by definition represents the highest fidelity, since it is reality.