Unable to convert Anim Files containing SPH to d3plot

[gappe41-ai]

When attempting to convert an animation file containing SPH into a d3plot file, an error occurs and the conversion fails.

input file ：　pauchDrop_0000.rad , pauchDrop_0001.rad
→　https://community.altair.com/home/leaving?allowTrusted=1&target=https%3A%2F%2Fus.v-cdn.net%2F6038102%2Fuploads%2Fattachments%2F00279344dbe58190cfd5f6a4e29619b8%2FPauchiSimple.zip

Description 1 of the input file → https://blog.altairjp.co.jp/droptest-pouch/
Description 2 of the input file → https://community.altair.com/discussion/41046/%E3%83%91%E3%82%A6%E3%83%81%E8%90%BD%E4%B8%8B%E8%A7%A3%E6%9E%90%E3%81%AE%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB%E3%83%A2%E3%83%87%E3%83%AB%E3%81%A7%E3%81%99

===↓↓ error message ↓↓↓===
Traceback (most recent call last):
File "", line 1, in
File "\lib\site-packages\vortex_radioss\animtod3plot\Anim_to_D3plot.py", line 238, in init
self.A_2_D(filepath, use_shell_mask, use_solid_mask, use_beam_mask, silent, no_warnings, show_rigidwall)
File "\lib\site-packages\vortex_radioss\animtod3plot\Anim_to_D3plot.py", line 990, in A_2_D
self._d3plot.write_d3plot(temp_d3plot_name, single_file = False)
File "\lib\site-packages\lasso\dyna\d3plot.py", line 6268, in write_d3plot
n_bytes_written += self._write_geom_sph_node_and_materials(fp, write_settings)
File "\lib\site-packages\lasso\dyna\d3plot.py", line 7069, in _write_geom_sph_node_and_materials
sph_data = np.concatenate((sph_node_indexes, sph_node_material_index), axis=1)
File "<array_function internals>", line 180, in concatenate
numpy.AxisError: axis 1 is out of bounds for array of dimension 1

[Vortex-CAE]

Hi @gappe41-ai,

Thank you for your message. I've been able to replicate your issue, it seems like the underlying issue is with the Lasso-Python library. I'll raise this issue on their end and update when there is a solution.

FYI @codie3611