Bugs beam particles

[Xiangyu-Hu]

SPHinXsys/src/for_3D_build/particles/beam_particles.cpp

Lines 44 to 46 in ea091de

	registerVariable(pseudo_b_n_, "PseudoBinormal",
	[&](size_t i) -> Vecd
	{ return pseudo_b_n_[i]; });

@rukawaaaaaaa This seems a bug.

https://github.com/Xiangyu-Hu/SPHinXsys/blob/ea091def9749e736b798016efd994b1f8898e2d1/src/for_3D_build/particle_dynamics/solid_dynamics/slender_structure_dynamics.cpp#L29C1-L43C2

Simple a copy from shell dynamics? Seems a bug too.

[rukawaaaaaaa]

SPHinXsys/src/for_3D_build/particles/beam_particles.cpp

Lines 44 to 46 in ea091de

	registerVariable(pseudo_b_n_, "PseudoBinormal",
	[&](size_t i) -> Vecd
	{ return pseudo_b_n_[i]; });

@rukawaaaaaaa This seems a bug.
https://github.com/Xiangyu-Hu/SPHinXsys/blob/ea091def9749e736b798016efd994b1f8898e2d1/src/for_3D_build/particle_dynamics/solid_dynamics/slender_structure_dynamics.cpp#L29C1-L43C2

Simple a copy from shell dynamics? Seems a bug too.

Thanks for your advice, I will check this on this weekend.