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2005, vol. 55, br. 1, str. 15-22
Procena veka elemenata avionskih konstrukcija
Vojnotehnički institut - VTI, Beograd
Sažetak
U okviru rada definiše se pogodna proračunska procedura, koja se bazira na kombinaciji Nojberovog zakona i metode konačnih elemenata sa kriterijumima na bazi deformacija-vek, kako bi se obezbedilo tačno predviđanje zamornog veka do pojave inicijalnog oštećenja a potom uspostavio kompletan pristup za procenu zamornog veka. Predložena procedura je primenjena na reprezentativni strukturalni element kao što je ploča sa otvorom opterećena cikličnim opterećenjima da bi se odredio njen proračunski vek. Proračunski rezultati su upoređeni sa eksperimentima. Procena veka primenom predložene proračunske procedure je u dobroj saglasnosti sa eksperimentalnim rezultatima.
Reference
Boljanović, S., Maksimović, S. (2004) Initial fatigue life predictions of a notched structural components under variable amplitude loading. u: Mijuca D.and Maksimović S. [ur.] Int. Conference on Computation mechanics (First), Belgrade, 15-17 November
Fatemi, A., Socie, D.F. (1988) A critical plane approach to multiaxial fatigue damage including out-of-phase loading. Fatigue and Fracture of Engineering materials and structures, vol. 11, br. 3, str. 149-165
Haibach, E., Matschke, C. (1982) The concept of uniform scatter bands for analyzing s-n curves of un-notched and notched specimens in structural steel, z low-cycle fatigue and life prediction. u: Amzallag C., Leis B.N.and Rabbe P. [ur.] ASTM STP 770, American Society for Testing and Materials, str. 549-571
Maksimović, S., Janković, M. (2004) Life estimation of structural components at the low-cycle fatigue. u: IRMES'04, Kragujevac
Maksimović, S., Boljanović, S., Maksimović, K. (2002) Improved numerical procedure in fatigue life prediction of structural components under variable amplitude loads. u: IFC-8-Fatigue Stockholm, 2-7.June, vol. 1, str. 675-682
Maksimović, S. (2001) Efficient method in fatigue failure analysis of complex structures under variable amplitude loading. Int. Journal Communications in Dependability and Quality Management, vol. 4, br. 2
Maksimović, S., Mladenović, J. (1996) 'FAILURE-3': Fatigue analysis of structures subjected to general load spectra (in-house software). Belgrade: VTI, Internal Report
Miner, M.A. (1945) Cumulative damage in fatigue. Transactions of the ASME. Ser. E, Journal of Applied Mechanics, vol. 12, A-159-164
Morrow, J. (1968) Fatigue design handbook: Advances in engineering. Warendale, Pa: Society of Automotive Engineers, Sec.3. 2, str. 21-29
Morrow, J.D., Martin, J.F., Dowling, N.E. (1974) Local stress-strain approach to cumulative fatigue damage analysis. Urbana: University of Illinois, Final Report br. 379
Neuber, H. (1946) Theory of notch stresses: Principles for exact stress calculation. Ann Arbot, Michigan: Edwards Brothers
Smith, K.N., Watson, P., Topper, T.H. (1970) A stress-strain function for the fatigue of metals. J Mater, vol. 5, br. 4, pp 767-778
Topper, T.H., Wetzel, R.M., Morrow, J. (1969) Neuber's rule applied to fatigue of notched specimens. J Mater, vol. 4, br. 1, str. 200-209
Wetzel, R.M. (1968) Smooth specimen simulation of the fatigue behavior of notches. Journal of Materials, Sept. vol. 3, br. 3, str. 646-657
 

O članku

jezik rada: engleski
vrsta rada: naučni članak
objavljen u SCIndeksu: 14.04.2008.