mot nan externalloads

Yan Junlan · Post by **Yan Junlan** » Sun Jun 20, 2021 9:00 pm

Hi,
I have encountered some problems when performing RRA.After running RRA,the model disappeared at the first frame,with low new mass and huge Fy.
I found that after running RRA, sometimes a sto file is generated that selects a fixed time period,including GRF, GRM and cop in this interval. The values of GRM and cop are all -nan(ind) and nan, as shown in Figure 4 and 3. At the same time,the data has reduced the sampling rate to 100 Hz. In the mot converted by c3d,when it is not stepped on, GRM and cop are -nan(ind) and nan respectively, but there are data when stepped on.
I would like to ask,why would such a data file be generated? And I don't know when it will be generated. Another question is, what does the ExternalLoads name in the grf.xml file mean,as shown in fig.2? The example is External, and the one generated by myself is externalloads. And sometimes RRAExternalLoads 2 files are generated, as shown in the fig.1,also I don't konw when it will be generated.