SimcenterKnowledge

LS-DYNA environment

Previewing LS-DYNA solver syntax

You can use the Solver Syntax Preview command or click the Preview Solution Setup button in the Solution dialog box to preview how a selected entity will be written out to your LS-DYNA input file. The software displays the syntax preview in an Information window.

Note:

For performance reasons, the software previews only the first 5000 lines of syntax. You can increase or decrease this limit using the Maximum Number of Output Lines for a Solver Syntax Preview customer default.

You can use the Solver Syntax Preview command to validate that you have set up your model correctly prior to a solve.

Previewing solver syntax in the FEM file

When a FEM is the work and displayed part, you can use the Solver Syntax Preview capability to preview the LS-DYNA syntax for selected entities. This command is available in the Simulation Navigator and in several dialog boxes.

Use the Solver Syntax Preview command in Simulation Navigator to preview the syntax for:

  • Meshes

  • Coordinate systems

  • Groups

  • Modeling objects

To preview the syntax for nodes, select one or more elements and use the Node/Element Information command to display a list of the nodes connected to each element.

Note:

You must select the General Listing format option in the Node/Element Information dialog box to view a list of the nodes.

To preview the syntax for physical properties and modeling objects, right-click the appropriate property table or modeling object and select the Preview Solver Syntax option in the Physical Properties Table Manager or Modeling Objects Manager dialog boxes.

To preview the syntax for materials, the software displays more complete information if you preview the material type syntax from the Physical Properties Table Manager dialog box than if you preview it from a materials dialog box.

Previewing solver syntax in the Simulation file

When a Simulation file is the work and displayed part, within the active solution or subcase, you can use the Solver Syntax Preview command in the Simulation Navigator to preview the syntax for the following types of entities within the active solution or subcase:

  • Loads

  • Constraints

  • Simulation objects

  • Simulation regions

  • Groups

  • Modeling objects

Where do I find it?

Solver Syntax Preview command

Application Pre/Post
Prerequisite A FEM or Simulation file as the displayed part and work partLS-DYNA as the specified solver
Simulation Navigator Right-click the appropriate object→Solver Syntax Preview

Maximum Number of Output Lines for a Solver Syntax Preview customer default

Menu FileUtilitiesCustomer Defaults
Location in dialog box SimulationPre/PostGeneralEnvironment tab
Learn more

LS-DYNA environment

Defining solution options and output requests for LS-DYNA

Defining XY data for LS-DYNA solutions

Defining global damping for LS-DYNA solutions

Customizing LS-DYNA input files with user defined text

Look up more details

LS-DYNA boundary conditions

Controlling ID values assigned during export (LS-DYNA)

LS-DYNA keywords supported for import and export

Quick links

Command reference

Pre/Post video examples

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Simcenter 3D tutorials

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Previewing LS-DYNA solver syntax, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1350925 · retrieved 2026-07-17