ogs/FileIO/OpenGeoSysNum.xsd at master · jtveiten/ogs · GitHub

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<?xml version="1.0" encoding="ISO-8859-1"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<!-- OpenGeoSysNum schema; initial implementation: Karsten Rink -->

  <xs:simpleType name="LibraryType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="LIS" />
      <xs:enumeration value="PETSc" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="NonLinearType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Newton" />
      <xs:enumeration value="Picard" />
    </xs:restriction>
  </xs:simpleType>

  <!-- definition of file content -->
  <xs:element name="OGSNonlinearSolverSetup">
    <xs:complexType>
      <xs:sequence>

        <!-- definition of non-linear solver -->
        <xs:element name="Type" type="NonLinearType" maxOccurs="1" />

        <!-- definition of linear solver -->
	<xs:element name="LinearSolver" maxOccurs="1">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="Type" type="xs:string" maxOccurs="1" />
              <xs:element name="Preconditioner" type="xs:string" minOccurs="0" maxOccurs="1" />
              <!-- add more parameters here -->
            </xs:sequence>
            <xs:attribute name="Library" type="LibraryType" use="required" />
          </xs:complexType>
        </xs:element>

        <!-- definition of temporal discretization -->
        <xs:element name="IterationScheme" maxOccurs="1">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="MaxIterations" type="xs:nonNegativeInteger" minOccurs="0" maxOccurs="1" />
              <xs:element name="FixedStepSize" type="xs:double" minOccurs="0" maxOccurs="1" />
              <!-- add more parameters here -->
            </xs:sequence>
          </xs:complexType>
        </xs:element>

        <!-- definition of convergence criteria -->
        <xs:element name="Convergence" minOccurs="0" maxOccurs="1">
	  <xs:complexType>
            <xs:sequence>
              <xs:element name="Method" type="xs:string" minOccurs="0" maxOccurs="1" />
              <xs:element name="ErrorThreshold" type="xs:double" minOccurs="0" maxOccurs="1" />
              <!-- add more parameters here -->
            </xs:sequence>
          </xs:complexType>
        </xs:element>

      </xs:sequence>
    </xs:complexType>
  </xs:element>

</xs:schema>