On Variations in Discrete Mechanics and Field Theory

@inproceedings{Guo2003OnVI,
  title={On Variations in Discrete Mechanics and Field Theory},
  author={Han-Ying Guo and Ke Wu},
  year={2003}
}
Some problems on variations are raised for classical discrete mechanics and field theory and the difference variational approach with variable step-length is proposed motivated by Lee’s approach to discrete mechanics and the difference discrete variational principle for difference discrete mechanics and field theory on regular lattice. Based upon Hamilton’s principle for the vertical variations and double operation of vertical exterior differential on action, it is shown that for both… CONTINUE READING

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