Abstract
By applying the continuous finite element methods of ordinary differential equations, the linear element methods are proved having second-order pseudo-symplectic scheme and the quadratic element methods are proved having third-order pseudo-symplectic scheme respectively for general Hamiltonian systems, and they both keep energy conservative. The finite element methods are proved to be symplectic as well as energy conservative for linear Hamiltonian systems. The numerical results are in agreement with theory.
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Communicated by ZHONG Wan-xie
Project supported by the National Natural Science Foundation of China (No. 10471038)
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Tang, Q., Chen, Cm. Continuous finite element methods for Hamiltonian systems. Appl Math Mech 28, 1071–1080 (2007). https://doi.org/10.1007/s10483-007-0809-y
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DOI: https://doi.org/10.1007/s10483-007-0809-y