Fig. 1. The umbilical separation structures of analogous systems[2]
Fig. 2. The components of umbilical assembly
Fig. 3. Normal case and collision case of the umbilical plug separation
Fig. 4. The umbilical plug after the prototype test
Fig. 5. The hanger fairing before and after the prototype test
Fig. 6. The umbilical plugs after the Test 0 ~ Test 3
Fig. 7. Both sides of the wings of the umbilical plug
Fig. 8. Upper side of the inclined face in the umbilical separation device
Fig. 9. Spring positions
Fig. 10. The MBD analysis results with respect to the prototype test
Fig. 11. The z-axis displacements of the umbilical plug according to slop angle, spring position, and spring model
Fig. 13. Contact faces between rail and front/rear hangers
Fig. 14. The MFBD analysis results with respect to the prototype test
Fig. 15. The z-axis displacements of the umbilical plug and rail tip
Fig. 12. Flexible body model of the rail
Table 1. Test specification of the prototype umbilical assembly
Table 2. Three kinds of umbilical plug types
Table 3. Test results by the umbilical plug types
Table 4. Spring specification[3]
Table 5. The results of Eq (1)
Table 6. Analysis cases
Table 7. Mass of bodies
Table 8. Constraints in the model
Table 9. Base contact parameters
Table 10. Action contact parameters
Table 11. Stiffness of contact
References
- S. Ahn, “A Study on the Hidden Type Separation Device for Missile Umbilical Connector,” Journal of the Korea Institue of Military and Technology, Vol. 16, No. 5, pp. 598-606, 2013. https://doi.org/10.9766/KIMST.2013.16.5.598
- D. Griffin, C. A. Field, "Improved Missile Launcher," European Patent Application, 1985.
- Misumi, "Extension Springs - Extralight, Light, Light to Medium, Medium Load Type," FA Mechanical Standard Components, 2014.
- Recurdyn V9R2, "Recurdyn Help," http://www.functionbay.com/documentation/onlinehelp/default.htm: FunctionBay Inc., 2018.
- Recurdyn, Recurdyn/Solver Technical Manual, FunctionBay Inc., pp. 87-117, 2017.
- R. L. Jackson, H. Ghaednia, H. Lee, A. Rostami, X. Wang, "Tribology for Scientists and Engineers : Chapter 3 Contact Mechanics," Springer New York, pp. 93-140, 2013.
- J. Lee, "Recurdyn Contact," Recurdyn User's Day, pp. 3-12, 2016.