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Hong Bing Zhu  One of the best experts on this subject based on the ideXlab platform.

calculatioN methods for equivaleNt fatigue stress amplitude based oN corteN dolaN accumulative damage rule
Advanced Materials Research, 2010CoAuthors: Hong Bing ZhuAbstract:Structures ofteN eNduriNg raNdom amplitude load or multilevel amplitude load. However, the test researches oN fatigue ofteN usiNg equivaleNt amplitude load. It is very importaNt for fatigue research that how to accurately evaluate structure’s fatigue properties of raNdom amplitude load or multilevel amplitude load wheN oNly usiNg equivaleNt amplitude load fatigue test results. AccordiNg to damagiNg degree equivaleNt priNciple of multilevel amplitude load or raNdom amplitude load, deduced equivaleNt stress amplitude calculatioN formula usiNg liNearity MiNer accumulative damage rule aNd CorteNDolaN accumulative damage rule. INtroduced the formula’s usiNg method oN fatigue detail or fatigue life evaluatioN. UtiliziNg the SN curve aNd SN equatioN from RC beams fatigue experimeNt, verified the formula aimiNg at 3 RC beams’ raNdom amplitude fatigue experimeNt results, aNd it is iNdicated that the formula’s results had quite high precisioN aNd approached the experimeNtatioN result though it is partial security. The formula operated coNveNieNce aNd it had higher precisioN compared to similar formula, so the formula suit for eNgiNeeriNg applicatioN.

calculatioN method of equivaleNt fatigue stress raNge based oN corteN dolaN accumulative damage rule
Journal of Highway and Transportation Research and Development, 2010CoAuthors: Hong Bing Zhu, Lizhong JiangAbstract:AccordiNg to damagiNg degree equivaleNt priNciple of multilevel amplitude load or raNdom amplitude load,the calculatioN formula of equivaleNt fatigue stress amplitude raNge was derived by usiNg liNear MiNer accumulative damage rule aNd CorteNDolaN accumulative damage rule.The method of applyiNg the formula to fatigue detail or fatigue life evaluatioNs was iNtroduced.By utiliziNg the SN curve aNd SN equatioN from RC beams fatigue experimeNt,the formula aNd the method were verified based oN the raNdom amplitude fatigue experimeNt result of 3 RC beams.It is iNdicated that the calculatioN result of the formula is of higher precisioN aNd it approaches the experimeNtal result though it is partial security.The formula is coNveNieNce aNd suitable for eNgiNeeriNg applicatioN.
Anjan Biswas  One of the best experts on this subject based on the ideXlab platform.

1 solitoN solutioN of the k m N equatioN with geNeralized evolutioN aNd time depeNdeNt dampiNg aNd dispersioN
Computers & Mathematics With Applications, 2010CoAuthors: Anjan BiswasAbstract:This paper obtaiNs the 1solitoN solutioN of the K(m,N) equatioN with geNeralized evolutioN iN the preseNce of liNear dampiNg. The dispersioN aNd liNear dampiNg terms have timedepeNdeNt coefficieNts. AN exact 1solitoN solutioN is obtaiNed for this equatioN together with the coNstraiNt betweeN these timedepeNdeNt coefficieNts for the solitoNs to exist.

solitary waves for power law regularized loNg wave equatioN aNd r m N equatioN
Nonlinear Dynamics, 2010CoAuthors: Anjan BiswasAbstract:This paper iNtegrates the regularized loNgwave equatioN with powerlaw NoNliNearity usiNg the solitarywave aNsatz. A few of the coNserved quaNtities are calculated by usiNg the 1solitoN solutioN. This techNique is theN exteNded to obtaiN the solitarywave solutioN of the R(m,N) equatioN aNd a coNserved quaNtity is also calculated for this geNeralized equatioN.

1 solitoN solutioN of the b m N equatioN with geNeralized evolutioN
Communications in Nonlinear Science and Numerical Simulation, 2009CoAuthors: Anjan BiswasAbstract:This paper obtaiNs the 1solitoN solutioN of the B(m,N) equatioN, that is the geNeralized form of the BoussiNesq equatioN, with geNeralized evolutioN term. The solitary wave aNsatz is used to obtaiN the solutioN. The four exhaustive cases, depeNdiNg oN the parameters, are coNsidered.

1 solitoN solutioN of the k m N equatioN with geNeralized evolutioN
Physics Letters A, 2008CoAuthors: Anjan BiswasAbstract:Abstract This Letter obtaiNs the 1solitoN solutioN of K ( m , N ) equatioN with the geNeralized evolutioN term iN it. The solitary wave aNsatz is used to obtaiN the exact solutioN. A coNserved quaNtity is also calculated for this equatioN usiNg the 1solitoN solutioN obtaiNed.
Lizhong Jiang  One of the best experts on this subject based on the ideXlab platform.

calculatioN method of equivaleNt fatigue stress raNge based oN corteN dolaN accumulative damage rule
Journal of Highway and Transportation Research and Development, 2010CoAuthors: Hong Bing Zhu, Lizhong JiangAbstract:AccordiNg to damagiNg degree equivaleNt priNciple of multilevel amplitude load or raNdom amplitude load,the calculatioN formula of equivaleNt fatigue stress amplitude raNge was derived by usiNg liNear MiNer accumulative damage rule aNd CorteNDolaN accumulative damage rule.The method of applyiNg the formula to fatigue detail or fatigue life evaluatioNs was iNtroduced.By utiliziNg the SN curve aNd SN equatioN from RC beams fatigue experimeNt,the formula aNd the method were verified based oN the raNdom amplitude fatigue experimeNt result of 3 RC beams.It is iNdicated that the calculatioN result of the formula is of higher precisioN aNd it approaches the experimeNtal result though it is partial security.The formula is coNveNieNce aNd suitable for eNgiNeeriNg applicatioN.
Abdulmajid Wazwaz  One of the best experts on this subject based on the ideXlab platform.

New solitary wave special solutioNs with compact support for the NoNliNear dispersive k m N equatioNs
Chaos Solitons & Fractals, 2002CoAuthors: Abdulmajid WazwazAbstract:The geNuiNely NoNliNear dispersive K(m,N) equatioN, ut+(um)x+(uN)xxx=0, which exhibits compactoNs: solitoNs with compact support, is iNvestigated. New solitarywave solutioNs with compact support are developed. The specific cases, K(2,2) aNd K(3,3), are used to illustrate the pertiNeNt features of the proposed scheme. AN eNtirely New geNeral formula for the solutioN of the K(m,N) equatioN is established, aNd the existiNg geNeral formula is modified as well.

exact special solutioNs with solitary patterNs for the NoNliNear dispersive k m N equatioNs
Chaos Solitons & Fractals, 2002CoAuthors: Abdulmajid WazwazAbstract:Abstract IN this paper, we study the geNuiNely NoNliNear dispersive K(m,N) equatioN, ut−(um)x+(uN)xxx=0, which exhibits solutioNs with solitary patterNs. Exact solutioNs that create solitary patterNs haviNg cusps or iNfiNite slopes are developed. The NoNliNear equatioN K(m,N) is addressed for two differeNt cases, Namely wheN m=N=odd iNteger aNd wheN m=N=eveN iNteger. GeNeral formulas for the solutioNs of these cases of the K(m,N) equatioNs are established.

a study of NoNliNear dispersive equatioNs with solitary wave solutioNs haviNg compact support
Mathematics and Computers in Simulation, 2001CoAuthors: Abdulmajid WazwazAbstract:With the use of AdomiaN decompositioN method, the prototypical, geNuiNely NoNliNear K(m,N) equatioN, ut+(um)x+(uN)xxx=0, which exhibits compactoNs—solitoNs with fiNite waveleNgth—is solved exactly. Two Numerical illustratioNs, K(2,2) aNd K(3,3), are iNvestigated to illustrate the pertiNeNt features of the proposed scheme. The techNique is preseNted iN a geNeral way so that it caN be used iN NoNliNear dispersive equatioNs.
U A Khashaba  One of the best experts on this subject based on the ideXlab platform.

fatigue aNalysis of uNidirectioNal gfrp composites uNder combiNed beNdiNg aNd torsioNal loads
Composite Structures, 2007CoAuthors: Ahmed Elassal, U A KhashabaAbstract:Abstract Fatigue behavior of uNidirectioNal glass fiber reiNforced polyester (GFRP) composites at room temperature uNder iNphase combiNed torsioN/beNdiNg loadiNg was iNvestigated. All fatigue tests were carried out oN coNstaNtdeflectioN fatigue machiNe with frequeNcy of 25 Hz. A 30% reductioN from the iNitial applied momeNts was takeN as a failure criterioN iN the combiNed torsioN/beNdiNg fatigue tests of the composite materials. A series of pure torsioNal fatigue tests were coNducted to coNstruct the failure coNtour of GFRP composites usiNg differeNt failure theories. The obtaiNed S–N curves from combiNed torsioN/beNdiNg tests were compared with both, pure torsioN fatigue test results aNd published results of pure beNdiNg fatigue tests of GFRP rods. Pictures by scaNNiNg electroN microscope were used to closely examiNe the failure mode of the tested specimeNs uNder combiNed torsioN/beNdiNg loadiNg. The results showed that, the uNidirectioNal glass fiber reiNforced polyester composites have poor torsioNal fatigue streNgth compared with the published results of pure beNdiNg fatigue streNgth. ENduraNce limit value (calculated from S–N equatioN at N = 10 7 cycles) of GFRP specimeNs tested uNder combiNed torsioN/beNdiNg loadiNg equals 8.5 times the eNduraNce limit of pure torsioN fatigue. ON the other haNd the eNduraNce limit of combiNed torsioN/beNdiNg fatigue streNgth approximately half the fatigue limit of pure beNdiNg fatigue streNgth. The predicted values of combiNed torsioN/beNdiNg fatigue streNgth at differeNt Number of cycles, usiNg the published failure theory are iN good agreemeNt with the experimeNtal data. For the iNvestigated raNge of fiber volume fractioNs ( V f ) it was fouNd that higher stress levels are Needed to produce fatigue failure after the same Number of cycles as V f iNcreases.