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en:rex3d:rex3dpreprocessing [2026/09/01 12:24] – adminen:rex3d:rex3dpreprocessing [2026/09/10 09:11] (aktuell) – [Starting a REX3D Simulation] cschall
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-In the window that appears, select whether the simulation should be assigned to an existing process or whether no process assignment should be made.+In the window that appears, simulation configurations can be added. Either as a copy of an existing configuration or empty.\\
  
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 ====Defining the REX3D Configuration==== ====Defining the REX3D Configuration====
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 ====Defining the Geometry==== ====Defining the Geometry====
-The //Screw Configuration// section lists the screw zones as well as the shear and mixing elements contained in the process in their respective order.\\+The //Screw Configuration// section lists all screw sections contained in the process in their respective order.\\
 Selecting an entry displays the corresponding data in the lower section of the dialog.\\ Selecting an entry displays the corresponding data in the lower section of the dialog.\\
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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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-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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