Understanding the .res result file (Simcenter Samcef)

The Simcenter Samcef solver output file that you will use most frequently is the .res listing file. This file contains all the information output by the solver, as well as any diagnostic messages. The information in this file is critical for checking and troubleshooting the model.

This file is located in the same folder as the model simulation (.sim file). Using a text editor, you can browse its content and search for important information.

Searching for errors and/or warnings

In the .res file, error messages are labeled as %%%Enn-xxx , while warnings are labeled as %%%Ann-xxx :

• nn is the message id.

• xxx is the message keyword.

• and is the message description.

The following table lists the most important error message keywords.

%%%Enn-..	Description
MMFERR	All errors related to the BOEING solver: pivoting, memory zone, and so on.
ASGEN	All errors related to element generation: missing or inconsistent physical properties, and so on.
OVVExx	All errors related to materials definitions: missing property, data inconsistency, and so on.
DGOPPA	All errors related to .sdb database access: memory zone, opening and saving the file, and so on.
WRITES	All errors related to the writing of data in files: disk space, permissions, and so on.
CONTAC	All errors related to contact conditions: convergence, and so on.

Checking convergence of a nonlinear analysis

In a Simcenter Samcef nonlinear analysis, you can check the solution convergence by searching for different entry types in the listing file, for example:

• TIME STEP NR 1 (TIME 5.000000000E-02) # is the entry for all indicators regarding a specific time step value.

• ->ACCEPTED TIME STEP, ERROR = 6.667E-01 H RATIO= 1.000E+00 H = 5.000E-02 indicates the converged (or not converged) state of the time step and the convergence indicators related values.For more details on these indicators, see the Simcenter Samcef documentation.

The "#" compact view

When the listing file is very large, you can filter its content to obtain a compact view of the most important indicators.

The most important lines of information in the listing file end with a # symbol.

By filtering the listing content (for example, by performing a grep #... on Unix or a regular expression search with #$ in a text editor), you can display a compact view.

TIME STEP NR 1 (TIME 1.000000000E-01) #====================================== # ITER. TESF TESE TESQ RES ALGO CPU # 1 8.8448E-01 1.0000E+00 1.0000E+00 1.0745E+06 NR 0.02 # 2 9.8504E-02 1.5270E-01 7.1709E-02 3.0669E+04 NR 0.03 # 3 2.8378E-04 4.8751E-04 6.3572E-04 7.9684E+01 NR 0.02 # ELEMENT RESULT WRITING (ENREG. 4) STEP 2 # NODAL RESULT WRITING (ENREG. 16) STEP 2 #

Note:

You can have an overview of the several Samcef files used in a solve in the Simcenter Samcef solver documentation.

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Checking the completeness of the Simcenter Samcef model prior to solving

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The .run configuration file (Simcenter Samcef)

About the shell batch run file (Simcenter Samcef)

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Understanding the .res result file (Simcenter Samcef), Simcenter 3D 2021.1 Series

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