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en:rex3d:rex3dpreprocessing [2026/09/09 16:24] – [Defining the Geometry] cschallen:rex3d:rex3dpreprocessing [2026/09/10 09:11] (aktuell) – [Starting a REX3D Simulation] cschall
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   * //Geometry File//   * //Geometry File//
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-When //Generate Geometry// is selected, the geometry required for the simulation is generated from the defined screw configuration. Alternatively, an existing geometry can be selected using //Geometry File//.\\+When //Generate Geometry// is selected, the geometry required for the simulation is generated from the defined screw configuration. Alternatively, an existing geometry (.step file) can be selected using //Geometry File//.\\
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 The //Viscosity Limits// define the viscosity range taken into account during the calculation.\\ The //Viscosity Limits// define the viscosity range taken into account during the calculation.\\
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 The //Mesh Quality// determines the spatial resolution of the computational mesh. You can choose between //coarse//, //medium//, and //fine//. A higher mesh quality results in a finer computational mesh, but also increases the computational and memory requirements.\\ The //Mesh Quality// determines the spatial resolution of the computational mesh. You can choose between //coarse//, //medium//, and //fine//. A higher mesh quality results in a finer computational mesh, but also increases the computational and memory requirements.\\
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-The //Isothermal Simulation// option can be used to perform a calculation with a constant material temperature. If this option is not activated, the temperature development of the melt is taken into account in the thermal calculation.\\+The //Isothermal Simulation// option can be used to perform a calculation with a constant material temperature. If this option is activated, the temperature development will be neglected and the simulation will be faster.\\
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 With //Automatic Post-Processing//, an automatic evaluation of the calculation results can be started directly after the simulation has been completed. With //Automatic Post-Processing//, an automatic evaluation of the calculation results can be started directly after the simulation has been completed.
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 =====Starting a REX3D Simulation===== =====Starting a REX3D Simulation=====
  
-To start the simulation, expand the REX3D section under the project data. This section displays all created Extrud3D configurations assigned to the respective process.\\+To start the simulation a simulation configuration must be opened.
    
-Double-click the name of a configuration to open it:\\ +  * First, the number of CPU cores to be used must be defined. At least 2 CPU cores must be available for the simulation.\\
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-  * Set the number of CPU cores to be used. At least 3 CPU cores must be available for the simulation.\\+
   * The simulation can then be started using the //Start REX3D Simulation// button. The //i// button displays the required hardware specifications.\\   * The simulation can then be started using the //Start REX3D Simulation// button. The //i// button displays the required hardware specifications.\\
  
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 {{ :en:rex3d:rex19_openfoam_simulation_en.png?nolink |}} {{ :en:rex3d:rex19_openfoam_simulation_en.png?nolink |}}
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-First, a three-dimensional finite-element mesh generator (gmsh) generates the geometry based on the previously defined input data and displays the result in a preview window.\\+The geometry will be generated based on the previously defined input data and will be displayed in a preview window.\\
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 The element can be moved and rotated in three-dimensional space using the mouse. The //Top View// and //Front View// buttons provide predefined viewing angles of the generated element.\\ The element can be moved and rotated in three-dimensional space using the mouse. The //Top View// and //Front View// buttons provide predefined viewing angles of the generated element.\\
-If the generated mesh meets the requirements, click the //OK// button to start the simulation.\\+If the generated geometry meets the requirements, click the //OK// button to start the simulation.\\
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