Hierarchy of structures

classDiagram
  direction TB
  class Metadomain~SimEngine, class~ {
    see metadomain...*
  }
  class Domain~SimEngine, class~ {
    see domain...*
  }
  class Mesh~class~ {
    see mesh...*
  }
  class Grid~Dimension~ {
    see grid...*
  }
  class MetricBase~Dimension~ {
    see metrics...*
  }
  class ParticleSpecies {
    see species...*
  }
  class Particles~Dimension, Coord~ {
    see particles...*
  }
  class Fields~Dimension, SimEngine~ {
    see fields...*
  }

  Domain --* Mesh : contains
  Grid <|-- Mesh : inherits
  Mesh --* MetricBase : contains
  Metadomain --* Domain : contains many
  Metadomain --* Mesh : contains
  Domain --* Fields : contains
  Domain --* Particles : contains many
  ParticleSpecies <|-- Particles : inherits
  Mesh --* MetricBase : contains