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This paper considers aerodynamic characteristics of the descent module and the separable front heat shield (FHS) during its separation. FlowVision software was used to perform a numerical analysis of the flow around the front heat shield and descent module. The calculations were performed using dynamic and static meshes. The trajectory of the front heat shield after separation was calculated using dynamic mesh. The aerodynamic characteristics of the frontal heat shield in several positions on calculated trajectory were determined using static mesh. The results of the calculations using different kind of grids are compared.

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