D3PLOT 22.1

*FREQUENCY_DOMAIN Files

*FREQUENCY_DOMAIN files

Frequency domain analyses can be carried out in Ansys LS-DYNA to output the following files which D3PLOT can read. Some versions of Ansys LS-DYNA sometimes write data contigously across file boundaries when they should not, which prevents D3PLOT reading the results. Such results may be read by setting the environment variable PTF_CONTIGUOUS to TRUE (see APPENDIX D).

<name>.d3eigv or d3eigv	Modal results from a *FREQUENCY_DOMAIN analysis.
<name>.d3ssd or d3ssd	Results from a Steady State Dynamics analysis (FREQUENCY_DOMAIN_SSD). If the <BINARY> flag on the DATABASE_FREQUENCY_BINARY_SSD card is set to 2, then the file will also contain phase angle data.
<name>.d3psd or d3psd	Power Spectral Density results from a Random Vibration analysis (*FREQUENCY_DOMAIN_RANDOM_VIBRATION).
<name>.d3rms or d3rms	Root Mean Square results from a Random Vibration analysis (*FREQUENCY_DOMAIN_RANDOM_VIBRATION).
<name>.d3ftg or d3ftg	Results from a Random Vibration Fatigue analysis (*FREQUENCY_DOMAIN_RANDOM_VIBRATION_FATIGUE).
<name>.d3spcm or d3spcm	Results from a Response Spectrum analysis (*FREQUENCY_DOMAIN_RESPONSE_SPECTRUM).
<name>.d3acs or d3acs	Results from a frequency domain finite element acoustic analysis (*FREQUENCY_DOMAIN_ACOUSTIC_FEM).

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