coarse model
[/kɔːrs ˈmɒdəl/]
nounpl: coarse models
modelo grosseiro
1. A simplified mathematical or computational representation of a system that uses fewer variables, lower resolution, or reduced complexity compared to a fine or detailed model
The engineers used a coarse model to perform initial simulations before creating a detailed design.
Os engenheiros usaram um modelo grosseiro para realizar simulações iniciais antes de criar um design detalhado.
2. In scientific computing and numerical analysis, a model with larger discretization spacing or fewer degrees of freedom
The coarse model provided quick estimates, while the fine model gave more accurate results.
O modelo grosseiro forneceu estimativas rápidas, enquanto o modelo fino deu resultados mais precisos.
This is technical terminology commonly used in engineering, physics, and computer science across English and Portuguese-speaking countries. It is particularly important in computational fluid dynamics (CFD), finite element analysis (FEA), and multiscale modeling. The concept of coarse-to-fine modeling is a standard practice in international scientific research and academia.
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