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THE ADOMIAN DECOMPOSITION METHOD FOR THE SOLUTION OF THE TRANSIENT ENERGY EQUATION IN ROCKS SUBJECTEDTO LASER IRRADIATION | ||
| Iranian Journal of Science | ||
| مقاله 6، دوره 30، شماره 2، آذر 2006، صفحه 201-212 اصل مقاله (350.73 K) | ||
| نوع مقاله: Regular Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijsts.2006.2748 | ||
| نویسندگان | ||
| J. BIAZAR* 1؛ R. AGHA2؛ ISLAM M. R.2 | ||
| 11Department of Mathematics, Guilan University, Rasht, P.O.Box 19145, I. R. of Iran | ||
| 2Department of Civil and Resource Engineering, Dalhousie University, NS, Canada | ||
| چکیده | ||
| A 2-D heat conduction model has been solved by using the Adomian Decomposition Method to predict the transient temperature and heat flux distribution in a thick solid that is irradiated by a laser source. The laser source may operate in a continuous wave (CW) mode or repeated pulse (RP) mode and may have arbitrary, spatial and temporal profiles. A generalized solution containing five-terms approximation of a rapidly convergent series is obtained. The solution is then applied to some special cases of practical interest, such as laser irradiation of sandstones and limestones. Laser drilling of geologic formations is being considered by the petroleum industry in the foreseeable future. The 2-D transient temperature distribution is presented in a graphical form and discussed. A comparison between the results obtained from the Adomian method and those obtained numerically by using the Crank-Nicholson method is also presented. | ||
| کلیدواژهها | ||
| Adomian Decomposition Method؛ Crank-Nicholson method؛ laser irradiation؛ energy equation | ||
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