The HIN File

The HIN File (Helius Input File) gives you special controls to tailor your analyses. The HIN file is simply a text file containing keywords that supplement the structural input file and the .sif file during the analysis.

For proper use, the HIN file must be named jobname.hin, where jobname is the name of the structural input file. The HIN file must be in the same directory as the input file and the structural interface file (.sif). For example, when running the input file named example-model.inp, if example-model.hin exists in the same directory, the Helius PFA solver will attempt to read this file as a HIN file. The current functionality within the HIN file includes the following:

1. Material Mapping
2. Material Redefinition
3. Ramberg-Osgood Plasticity
4. Fiber Orientation Tensor
5. Damage Initiation
6. Damage Evolution
7. Compression
8. Warpage
9. Weld Surface Strength
10. Weld Surface Mapping
11. Step-wise Linearity
12. Interpolation

Any information contained in the HIN file supersedes the information stored in the input file, .sif file, or .sdy file. For example, if the user-specified strength reduction factor is used with a value of 0.9 in the .sif file, but the HIN file uses:

*WELD SURFACE STRENGTH, METHOD=CONSTANT
0.8

the constant value of 0.8 is used during the analysis.

*MATERIAL Keyword

Many of the keywords available for use with the HIN file require the *MATERIAL keyword to be defined first:

ANSYS

*MATERIAL, ID=MaterialID

where MaterialID is the ID of the user material defined in the input file. This keyword tells the Helius PFA solver which material to apply the subsequent keywords too.

Nastran

*MATERIAL, ID=MaterialID

where MaterialID is the ID of the MATXM user material defined in the input file. This keyword tells the Helius PFA solver which material to apply the subsequent keywords too.