Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results
This paper presents the results of the experimental analysis of the stress-strain state of the variable stiffness tail compartment (section) designed by the Yuzhnoye Design Bureau. Equivalent compressive forces in the cross-sections of the tail compartment without the trans-port-erector support are...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
NAS of Ukraine, A. Pidhornyi Institute of Mechanical Engineering Problems
2019-06-01
|
| Series: | Journal of Mechanical Engineering |
| Subjects: | |
| Online Access: | https://journal-me.com/archive/en/2019/2019_2_4_eng.pdf |
| _version_ | 1818456179239550976 |
|---|---|
| author | Maksim A. Degtyarev Vitaliy G. Danchenko Artem V. Shapoval Konstantin V. Avramov |
| author_facet | Maksim A. Degtyarev Vitaliy G. Danchenko Artem V. Shapoval Konstantin V. Avramov |
| author_sort | Maksim A. Degtyarev |
| collection | DOAJ |
| description | This paper presents the results of the experimental analysis of the stress-strain state of the variable stiffness tail compartment (section) designed by the Yuzhnoye Design Bureau. Equivalent compressive forces in the cross-sections of the tail compartment without the trans-port-erector support are analyzed. It is established that the calculated and experimental compressive forces are extremely close. Deformations in the tail compartment were measured where resistance strain gages were installed. For the measurement of displacements, displacement gauges were installed. The displacements were measured at six points. They were studied at maximum loading values corresponding to the fifth and sixth stages of loading. Axial movements are always negative, which indicates that the shell is compressed in the axial direction. The stress-strain state of the launch vehicle tail compartment was experi-mentally investigated. The circumferential normal stresses are several orders of magnitude smaller than the longitudinal ones. Therefore, the circumferential stresses were not investigated. The results of the ex-perimental studies were compared with the numerical simulation data in the NASTRAN software package. The purpose of the simulation was to confirm the workability of the tail compartment under the loads that occur during operation. In other words, the design must withstand the actual loads without destruction and the appearance of plastic deforma-tions. Special attention was paid to the zones that were directly under the brackets. The experimental results and numerical simulation data are close. |
| first_indexed | 2024-12-14T22:22:33Z |
| format | Article |
| id | doaj.art-e4af2fe4c3954993a4d784533b30ad76 |
| institution | Directory Open Access Journal |
| issn | 2709-2984 2709-2992 |
| language | English |
| last_indexed | 2024-12-14T22:22:33Z |
| publishDate | 2019-06-01 |
| publisher | NAS of Ukraine, A. Pidhornyi Institute of Mechanical Engineering Problems |
| record_format | Article |
| series | Journal of Mechanical Engineering |
| spelling | doaj.art-e4af2fe4c3954993a4d784533b30ad762022-12-21T22:45:28ZengNAS of Ukraine, A. Pidhornyi Institute of Mechanical Engineering ProblemsJournal of Mechanical Engineering2709-29842709-29922019-06-01222313610.15407/pmach2019.02.031Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis ResultsMaksim A. Degtyarev0Vitaliy G. Danchenko1Artem V. Shapoval2Konstantin V. Avramov3https://orcid.org/0000-0002-8740-693XYuzhnoye State Design OfficeYuzhnoye State Design OfficeYuzhnoye State Design OfficeA. Pidhornyi Institute of Mechanical Engineering Problems of NASUThis paper presents the results of the experimental analysis of the stress-strain state of the variable stiffness tail compartment (section) designed by the Yuzhnoye Design Bureau. Equivalent compressive forces in the cross-sections of the tail compartment without the trans-port-erector support are analyzed. It is established that the calculated and experimental compressive forces are extremely close. Deformations in the tail compartment were measured where resistance strain gages were installed. For the measurement of displacements, displacement gauges were installed. The displacements were measured at six points. They were studied at maximum loading values corresponding to the fifth and sixth stages of loading. Axial movements are always negative, which indicates that the shell is compressed in the axial direction. The stress-strain state of the launch vehicle tail compartment was experi-mentally investigated. The circumferential normal stresses are several orders of magnitude smaller than the longitudinal ones. Therefore, the circumferential stresses were not investigated. The results of the ex-perimental studies were compared with the numerical simulation data in the NASTRAN software package. The purpose of the simulation was to confirm the workability of the tail compartment under the loads that occur during operation. In other words, the design must withstand the actual loads without destruction and the appearance of plastic deforma-tions. Special attention was paid to the zones that were directly under the brackets. The experimental results and numerical simulation data are close.https://journal-me.com/archive/en/2019/2019_2_4_eng.pdfstress-strain state of tail compartmentequivalent compressive forcesdisplacement measurements |
| spellingShingle | Maksim A. Degtyarev Vitaliy G. Danchenko Artem V. Shapoval Konstantin V. Avramov Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results Journal of Mechanical Engineering stress-strain state of tail compartment equivalent compressive forces displacement measurements |
| title | Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results |
| title_full | Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results |
| title_fullStr | Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results |
| title_full_unstemmed | Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results |
| title_short | Experimental Strength Analysis of Variable Stiffness Waffel-Grid Cylindrical Compartments. Part 2. Analysis Results |
| title_sort | experimental strength analysis of variable stiffness waffel grid cylindrical compartments part 2 analysis results |
| topic | stress-strain state of tail compartment equivalent compressive forces displacement measurements |
| url | https://journal-me.com/archive/en/2019/2019_2_4_eng.pdf |
| work_keys_str_mv | AT maksimadegtyarev experimentalstrengthanalysisofvariablestiffnesswaffelgridcylindricalcompartmentspart2analysisresults AT vitaliygdanchenko experimentalstrengthanalysisofvariablestiffnesswaffelgridcylindricalcompartmentspart2analysisresults AT artemvshapoval experimentalstrengthanalysisofvariablestiffnesswaffelgridcylindricalcompartmentspart2analysisresults AT konstantinvavramov experimentalstrengthanalysisofvariablestiffnesswaffelgridcylindricalcompartmentspart2analysisresults |