In this paper,many new explicit and exact travelling wave solutions for Burgers-Kolmogorov-Prtrovskii-Piscounov(Burgers-KPP) equations are obtained by using hyperbola function method and Wu-elimination method,which in...In this paper,many new explicit and exact travelling wave solutions for Burgers-Kolmogorov-Prtrovskii-Piscounov(Burgers-KPP) equations are obtained by using hyperbola function method and Wu-elimination method,which include new singular solitary wave solutions and periodic solutions,Particular important cases of the equation.such as the generalized Burgers-Fisher equation.Burgers-Chaffee-infante equation and KPP equation,the corresponding solutions can be obtained also,The method can also solve other nonliear partial differential equations.展开更多
基金Supported by the Special Funds for Major Specialities of Shanghai Educational Com mittee NNSF of China (10371070) and the Nature Science Foundation of Educational Committee of Liaon -ing Province(2004C057).
基金Supported by the National Key Basic Research Development Project of China(1998030600)Supported by the National Natural Science Foudation of China(10072013)Supported by the Educational Commmittee of Liaoning Province(990421093)
文摘In this paper,many new explicit and exact travelling wave solutions for Burgers-Kolmogorov-Prtrovskii-Piscounov(Burgers-KPP) equations are obtained by using hyperbola function method and Wu-elimination method,which include new singular solitary wave solutions and periodic solutions,Particular important cases of the equation.such as the generalized Burgers-Fisher equation.Burgers-Chaffee-infante equation and KPP equation,the corresponding solutions can be obtained also,The method can also solve other nonliear partial differential equations.