Project supported by the National Natural Science Foundation of China (Nos. 10972182,10772147,and 10632030);the National Basic Research Program of China (No. 2006CB 601202);the National 111 Project of China (No. B07050);the Open Foundation of State Key Laboratory of Structural Analysis of Industrial Equipment (No. GZ0802);the Doctoral Foundation of Northwestern Polytechnical University (No. CX200908);the China Postdoctoral Science Foundation (No. 20090450170);the Northwestern Polytechnical University Foundation for Fundamental Research (No. JC200938)
The wave propagation problem in the nonlinear periodic mass-spring structure chain is analyzed using the symplectic mathematical method. The energy method is used to construct the dynamic equation, and the nonlinear d...
supported by the National Natural Science Foundation of China (10972182, 10772147, 10632030);the National Basic Research Program of China (2006CB 601202);the Doctorate Foundation of Northwestern Polytechnical University (CX200908);the Graduate Starting Seed Fund of Northwestern Polytechnical University (Z200930);the NPU Foundation for Fundamental Research;the Open Foundation of State Key Laboratory of Structural Analysis of Industrial Equipment (GZ0802)
On the basis of the finite element analysis, the elastic wave propagation in cellular structures is investigated using the symplectic algorithm. The variation principle is first applied to obtain the dual variables an...
Supported by the National Natural Science Foundation of China (Grant Nos.10572119,10772147,and 10632030);the Doctoral Program Foundation of Education Ministry of China (Grant No.20070699028);the China Postdoctoral Science Foundation (Grant No. 20090450170);the National Natural Science Foundation of Shaanxi Province of China (Grant No.2006A07);the NPU Foundation for Fundamental Research and the Open Foundation of State Key Laboratory of Structural Analysis of Industrial Equipment (Grant No.GZ0802)
In this paper,the complex multi-symplectic method and the implementation of the generalized sinhGordon equation are investigated in detail.The multi-symplectic formulations of the generalized sinh-Gordon equation in H...
the National Natural Science Foundation of China (Grant Nos. 10572119, 10772147 and 10632030);the Doctoral Program Founda-tion of Education Ministry of China (Grant No. 20070699028);the Natural Science Foundation of Shaanxi Province of China (Grant No. 2006A07);the Open Foundation of State Key Laboratory of Structural Analysis of Industrial Equipment
The mixed state of two-band II-superconductor is analyzed by the multi-symplectic method. As to the Ginzburg-Landau equation depending on time that describes the mixed state of two-band II-superconductor, the multi-sy...
Project supported by the National Natural Science Foundation of China (Grant Nos 10572119, 10772147 and 10632030);the Doctoral Program Foundation of Education Ministry of China (Grant No 20070699028);the National Natural Science Foundation of Shaanxi Province of China (Grant No 2006A07);the Open Foundation of State Key Laboratory of Structural Analysis of Industrial Equipment
This paper considers the multi-symplectic formulations of the generalized fifth-order KdV equation in Hamiltonian space. Recurring to the midpoint rule, it presents an implicit multi-symplectic scheme with discrete mu...