Vladimir S. Syromiatnikov Spacecraft Docing Devices deom SSI

Figure 3.2. The hulls of docking assemblies, a. Soyuz-Salyut; b. Soyuz APDA; c. Apollo APDA. where is the stretching force created in the general case by internal pressure, the seal, the plungers, and the external longitudinal load; is the bending momentum; is the average diameter of the arrangement and number of locks; the coefficient characterizes the distribution of forces between the locks when it is loaded with bending momentum, and depends on the rigidity of the frame. For absolutely rigid flanges, for nonrigid flanges, . Fxperiments

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