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Surface Settings

Surface Settings

Material Properties

Defines thermal and optical properties for building or ground surfaces (e.g., concrete, asphalt). Controls heat calculation parameters like conductivity, density, and emissivity.

Eddy3D 0.5.0.815

Input

  • Name
    Material identifier (for reference).
  • Thick
    Material thickness. Units: m. Default: 0.1
  • k
    Thermal conductivity. Units: W/(m·K). Concrete: 2.3. Default: 2.3
  • ρ
    Material density. Units: kg/m³. Concrete: 2400. Default: 2400
  • Cp
    Specific heat capacity. Units: J/(kg·K). Default: 840
  • εT
    Longwave emissivity (0-1). High for most materials. Default: 0.9
  • αS
    Solar absorptance (0-1). Light surfaces ~0.3, dark ~0.9. Default: 0.7
  • αV
    Visible absorptance (0-1). Default: 0.7
  • RadMat
    Optional: Custom Radiance material string

Output

  • Set
    Surface settings for Building/Ground Surface component