Several mathematical models that explain natural phenomena are mostly formulated in terms of nonlinear differential equations. Many problems in applied sciences such as nuclear physics, engineering, thermal management, gas dynamics, chemical reaction, studies of atomic structures and atomic calculations lead to singular boundary value problems and often only positive solutions are vital. However, most of the methods developed in mathematics are used in solving linear differential equations. For this reason, this research considered a model problem representing temperature distribution in heat dissipating fins with triangular profiles using MATLAB codes. MADM was used with a computer code in MATLAB to seek solution for the problem involving constant and a power law dependence of thermal conductivity on temperature governed by linear and nonlinear BVPs, respectively, for which considerable results were obtained. A problem formulated dealing with a triangular silicon fin and more examples were solved and analyzed using tables and figures for better elaborations where appreciable agreement between the approximate and exact solutions was observed. All the computations were performed using MATHEMATICA and MATLAB.
Published in | Applied and Computational Mathematics (Volume 9, Issue 3) |
DOI | 10.11648/j.acm.20200903.11 |
Page(s) | 30-55 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Fins, Adomian Decomposition, Thermal Conductivity Equation, Nonnlinear
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APA Style
Ashenafi Gizaw Jije. (2020). Thermal Conductivity Equations via the Improved Adomian Decomposition Methods. Applied and Computational Mathematics, 9(3), 30-55. https://doi.org/10.11648/j.acm.20200903.11
ACS Style
Ashenafi Gizaw Jije. Thermal Conductivity Equations via the Improved Adomian Decomposition Methods. Appl. Comput. Math. 2020, 9(3), 30-55. doi: 10.11648/j.acm.20200903.11
AMA Style
Ashenafi Gizaw Jije. Thermal Conductivity Equations via the Improved Adomian Decomposition Methods. Appl Comput Math. 2020;9(3):30-55. doi: 10.11648/j.acm.20200903.11
@article{10.11648/j.acm.20200903.11, author = {Ashenafi Gizaw Jije}, title = {Thermal Conductivity Equations via the Improved Adomian Decomposition Methods}, journal = {Applied and Computational Mathematics}, volume = {9}, number = {3}, pages = {30-55}, doi = {10.11648/j.acm.20200903.11}, url = {https://doi.org/10.11648/j.acm.20200903.11}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.acm.20200903.11}, abstract = {Several mathematical models that explain natural phenomena are mostly formulated in terms of nonlinear differential equations. Many problems in applied sciences such as nuclear physics, engineering, thermal management, gas dynamics, chemical reaction, studies of atomic structures and atomic calculations lead to singular boundary value problems and often only positive solutions are vital. However, most of the methods developed in mathematics are used in solving linear differential equations. For this reason, this research considered a model problem representing temperature distribution in heat dissipating fins with triangular profiles using MATLAB codes. MADM was used with a computer code in MATLAB to seek solution for the problem involving constant and a power law dependence of thermal conductivity on temperature governed by linear and nonlinear BVPs, respectively, for which considerable results were obtained. A problem formulated dealing with a triangular silicon fin and more examples were solved and analyzed using tables and figures for better elaborations where appreciable agreement between the approximate and exact solutions was observed. All the computations were performed using MATHEMATICA and MATLAB.}, year = {2020} }
TY - JOUR T1 - Thermal Conductivity Equations via the Improved Adomian Decomposition Methods AU - Ashenafi Gizaw Jije Y1 - 2020/05/27 PY - 2020 N1 - https://doi.org/10.11648/j.acm.20200903.11 DO - 10.11648/j.acm.20200903.11 T2 - Applied and Computational Mathematics JF - Applied and Computational Mathematics JO - Applied and Computational Mathematics SP - 30 EP - 55 PB - Science Publishing Group SN - 2328-5613 UR - https://doi.org/10.11648/j.acm.20200903.11 AB - Several mathematical models that explain natural phenomena are mostly formulated in terms of nonlinear differential equations. Many problems in applied sciences such as nuclear physics, engineering, thermal management, gas dynamics, chemical reaction, studies of atomic structures and atomic calculations lead to singular boundary value problems and often only positive solutions are vital. However, most of the methods developed in mathematics are used in solving linear differential equations. For this reason, this research considered a model problem representing temperature distribution in heat dissipating fins with triangular profiles using MATLAB codes. MADM was used with a computer code in MATLAB to seek solution for the problem involving constant and a power law dependence of thermal conductivity on temperature governed by linear and nonlinear BVPs, respectively, for which considerable results were obtained. A problem formulated dealing with a triangular silicon fin and more examples were solved and analyzed using tables and figures for better elaborations where appreciable agreement between the approximate and exact solutions was observed. All the computations were performed using MATHEMATICA and MATLAB. VL - 9 IS - 3 ER -