Symplectic time-subdomain iterative method for nonlinear dynamic equation

【Author】

Weihua Li;Yu Wang;En Luo;

【Abstract】

<正>A symplectic time-subdomain iterative method for nonlinear dynamic equation is proposed in this paper.The nonlinear dynamic equation is formally separated into a linear equation and a nonlinear equation.Based on unconventional Hamilton variational principle in phase space,a symplectic algorithm is applied to solve the linear equation.The nonlinear term is treated as load by substituting with the linear response for weekly nonlinear system,thus

【Keywords】

time;

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