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The nonlinearity in the differential equations is dealt with quasilinearization technique. The resultant equations are numerically solved using Chebyshev wavelet collocation method. The effects of magnetic field, radiation, chemical reaction and buoyancy parameters are investigated. The numerical values of local skin friction coefficient, local Nusselt number and local Sherwood number are also tabulated and analyzed. We observe that the increase in buoyancy parameters enhances the velocity profiles and larger values of magnetic field decrease the velocity profiles but increases the temperature and concentration profiles. Error analysis has been done to check the convergence of the numerical scheme.<\/jats:p>","DOI":"10.1142\/s1793005726500201","type":"journal-article","created":{"date-parts":[[2024,8,30]],"date-time":"2024-08-30T04:09:43Z","timestamp":1724990983000},"page":"359-404","source":"Crossref","is-referenced-by-count":2,"title":["Numerical Simulation of MHD Oldroyd-B Fluid with Thermal Radiation and Chemical Reactions Using Chebyshev Wavelets"],"prefix":"10.1142","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4597-1188","authenticated-orcid":false,"given":"B. 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