There are two types of card format in eta/DYNAFORM 5.8: LS-DYNA971 R3.2 and R5, and please refer to the following table for their differences. It enables the user to set the version of the default solver in eta/DYNAFORM 5.8, and the default card format is R5.x. The method for changing the solver version is to click Option -> Edit Default Config and then click Setup -> General in the opened dialog box to select the card format to be output for Version of LS-DYNA input deck. If the option unsupported by the solver version is defined by the user in AutoSetup, it will prompt the user when outputting the card: Too low version of the default LS-DYNA.
|
Keyword of LS-DYNA |
R3.2 |
R5.x |
1 |
*KEYWORD_ID |
√ |
√ |
2 |
*KEYWORD_JOBID |
× |
√ |
3 |
*CONSTRAINED_COORDINATE |
× |
√ |
4 |
*DEFINE_CURVE_TRIM_NEW |
× |
√ |
1. When R3.2 is set as the default, the keyword *KEYWORD_ID will be output. If it exceeds 20 characters or includes space in the file name specified by the user, the file name for LS-DYNA output will be different from the specified one.
2. When R5.x is set as the default, the keyword *KEYWORD_JOBID will be output and will not be supported by R3.2. If it exceeds 60 characters in the file name specified by the user, the file name for LS-DYNA output will be different from the specified one.
3. Point Constraints for Springback
It enables the user to define springback constraints with Point Constraints in AutoSetup, as is illustrated in Figure 1. When selecting point constraints, the solver version R5.x must be ensured.
Figure 1 Springback
constraints
4. Seed Point for Trimming
It enables the user to define the trimming seed in coordinate point format in AutoSetup, as is illustrated in Figure 2. When selecting coordinate point, the solver version R5.x must be ensured.
Figure 2 Trimming seed