Dynamics And Stability Analysis Of Hard X-ray Modulation Telescope

When trying to design the HXMT, it has to be answered that whether the HXMT and its workgroups can endure the mechanics conditions at launching state or not. Then the interest of this paper is that simulating the mechanics conditions and analyzing the design model by computers in order to demonstrate the feasibility of the design project.The detector parts and the collimator parts are important components of hard X-ray telescope,which mechanics properties decides hard X-ray telescope directly. Therefore, they need to be analyzed especially.In this paper, the HXMT and its main components, collimator parts, are simulated on the mechanics conditions at launching state, by using FEM software,. The dynamic (including sine excitation,impact excitation and random excitation )response analysis of detector parts is completed,and the stability analysis is completed of detector parts,collimator parts and hard X-ray modulate telescope. The simulation dynamical analysis results of detector parts indicate that, in sine excitation state, the collimator parts is up to the design standard, but not in impact excitation state or random excitation state. The simulation stability analysis results of collimator parts indicate that: under 50G acceleration, the detector parts,the collimator parts and hard X-ray modulate telescope is up to the design standard, keeping stability.Basing on analysis results of HXMT, the following conclusions can be made: the design standard can be met in sine excitation state in bolt fix install method.Finally, some suggests can be provided: the design project of collimator parts needs to be improved; the design project of HXMT can be up to the design standard.