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  • 大小: 1KB
    文件類型: .m
    金幣: 2
    下載: 1 次
    發布日期: 2021-01-02
  • 語言: Matlab
  • 標簽: MATLAB??newmark??

資源簡介

Newmark-beta法解微分方程的MATLAB程序。 function [q,v,a]=newmark(M,C,K,F,q0,v0,dt,nt) % newmark-beta method % [q,v,a]=newmark(M,C,K,F,q0,v0,dt,nt) % obtain the response of the dynamic system % M - mass matrix % K - stiffness matrix % C - damping matrix %

資源截圖

代碼片段和文件信息

function?[qva]=newmark(MCKFq0v0dtnt)
%?newmark-beta?method
%???????????[qva]=newmark(MCKFq0v0dtnt)
%???????????obtain?the?response?of?the?dynamic?system
%???????????M?-?mass?matrix
%???????????K?-?stiffness?matrix
%???????????C?-?damping?matrix
%???????????F?-?loads?matrix(nt?columns)
%???????????q0?-?initial?displacement
%???????????v0?-?initial?velocity
%???????????dt?-?interval(time?step)
%???????????nt?-?number?of?sampling?points
%???????????[qva]?-?dispvelocityacceleration
????if?nt~=?length(F)
????????disp(‘The?size?of?force?matrix?not?match?the?number?of?sampling?points?‘)
????????return
????end
????dof=length(M);
????alpha=0

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