广西工学院学报
廣西工學院學報
엄서공학원학보
JOURNAL OF GUANGXI UNIVERSITY OF TECHNOLOGY
2012年
2期
19-25
,共7页
碳纤维布%梁%一阶矩阵常微分方程%精细积分法
碳纖維佈%樑%一階矩陣常微分方程%精細積分法
탄섬유포%량%일계구진상미분방정%정세적분법
carbon fiber%beam%matrix differential equation of first order%precision integration method
基于线弹性梁理论和线粘弹性理论,根据欧拉梁的平衡方程和几何方程,结合传递矩阵法和精细积分法,推导出了粘贴碳纤维布的梁的整合一阶常微分方程组.运用新型齐次扩容精细积分法.对粘贴碳纤维布的梁的自由振动分析构建了一种半解析半数值方法.数值计算和有限元结果的比较表明。该方法正确可行.
基于線彈性樑理論和線粘彈性理論,根據歐拉樑的平衡方程和幾何方程,結閤傳遞矩陣法和精細積分法,推導齣瞭粘貼碳纖維佈的樑的整閤一階常微分方程組.運用新型齊次擴容精細積分法.對粘貼碳纖維佈的樑的自由振動分析構建瞭一種半解析半數值方法.數值計算和有限元結果的比較錶明。該方法正確可行.
기우선탄성량이론화선점탄성이론,근거구랍량적평형방정화궤하방정,결합전체구진법화정세적분법,추도출료점첩탄섬유포적량적정합일계상미분방정조.운용신형제차확용정세적분법.대점첩탄섬유포적량적자유진동분석구건료일충반해석반수치방법.수치계산화유한원결과적비교표명。해방법정학가행.
Based on the linear elastic theories of beams and viscoelastic materials, according to Euler beam's equilibrium equations and geometric equations, combined with the transfer matrix method and the precise integration method, the integrated first-order ordinary differential matrix equation of debonding carbon fiber beam are derived. It consists of 8 independent firsorder differential equations and is represented by 8 variables with each variable having of homogenized precise a distinct physical meaning. The model lays a foundation for applying the technologies integration and building a semi-analytical and semi-numerical method with high efficiency and accuracy. Through the comparison of the numerical results and the results of the finite element method, it can be shown that the proposed approach is very effective and reliable.