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| Painlev\'{e} Analysis and Auto-B\"{a}cklund Transformation for a General Variable Coefficient Burgers Equation with Linear Damping Term |
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| KeyWord:Painlev\'{e} property, auto-B\"{a}cklund transformation, a gVC Burgers equation with linear damping term, exact solutions |
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| Abstract: |
| This paper investigates a general variable coefficient (gVC) Burgers equation with linear damping term. We derive the Painlev\'{e} property of the equation under certain constraint condition of the coefficients. Then we obtain an auto-B\"{a}cklund transformation of this equation in terms of the Painlev\'{e} property. Finally, we find a large number of new explicit exact solutions of the equation. Especially, infinite explicit exact singular wave solutions are obtained for the first time. It is worth noting that these singular wave solutions will blow up on some lines or curves in the $(x,t)$ plane. These facts reflect the complexity of the structure of the solution of the gVC Burgers equation with linear damping term. It also reflects the complexity of nonlinear wave propagation in fluid from one aspect. |
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