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The DDS is a web-based, continuum radiative transfer code for the simulation of Spectral Energy Distributions of optically thin dust configurations.


 The DDS was developed in order to provide a simulation tool for the theoretical investigation and data analysis of Debris-Disks - late-stage, optically thin circumstellar disks. For this, a high-flexibility on the model setup, defined by the density distribution, chemically different dust components, grain size distributions and stellar heating sources is required.

The range of applications of the DDS, however, extends far beyond pure Debris-Disk models. The continuum spectral energy distribution of any optically thin dust configuration illuminated by a point-like heating source, such as reflection nebulae or extended dust shells around old stars can be investigated.

Arbitrary  - 1D, 2D, and 3D - dust configurations can be considered by uploading density distributions resulting from external simulations (e.g., n-particle or hydrodynamic simulations) or analytical approaches.