کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
783608 1465324 2015 12 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
The generating equations method: Constructing exact solutions to delay reaction–diffusion systems and other non-linear coupled delay PDEs
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موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
The generating equations method: Constructing exact solutions to delay reaction–diffusion systems and other non-linear coupled delay PDEs
چکیده انگلیسی


• The generating equations method is suggested.
• Non-linear delay reaction–diffusion systems are considered.
• New generalized and functional separable solutions are presented.
• All systems contain two or more arbitrary functions.
• Some results are extendible to systems with time-varying delay.

We present a new method for constructing exact solutions to non-linear systems of coupled delay reaction–diffusion equations of the formut=k1uxx+F(u,u¯,w,w¯),wt=k2wxx+G(u,u¯,w,w¯),where u=u(x,t)u=u(x,t), w=w(x,t)w=w(x,t), u¯=u(x,t−τ), and w¯=w(x,t−τ), and τ is the delay time. The method relies on using generalized and functional separable solutions, obtained for single delay reaction–diffusion equations (called generating equations), to construct exact solutions of more complex systems of coupled delay equations. All of the systems considered contain two or more arbitrary functions of two or three arguments. We show that the generating equations method can also be used for (i) non-linear reaction–diffusion systems with time-varying delay τ=τ(t), (ii) delay reaction–diffusion systems with varying transfer coefficients, (iii) multicomponent delay reaction–diffusion systems, (iv) multidimensional delay reaction–diffusion systems, and (v) non-linear delay systems of higher-order PDEs. The results may be suitable for solving certain model problems and testing approximate analytical and numerical methods for some classes of similar and more complex non-linear coupled delay systems.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Non-Linear Mechanics - Volume 71, May 2015, Pages 104–115
نویسندگان
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