THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES

Applied Mathematics and Mechanics (English Edition) ›› 1994, Vol. 15 ›› Issue (5): 425-434.

THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES

张建海, 李永年, 陈大鹏

Department of Scientific Research, Southwest Jiaotong University, Chengdu

收稿日期:1992-05-22 出版日期:1994-05-18 发布日期:1994-05-18
基金资助:
Prroject supported by the Namnal Natural Science Foundation of China and the Doctoral Researth of the National Education Commission of China

THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES

zhang Jian-hai, Li Yong-nian, Chen Da-peng

Department of Scientific Research, Southwest Jiaotong University, Chengdu

Received:1992-05-22 Online:1994-05-18 Published:1994-05-18
Supported by:
Prroject supported by the Namnal Natural Science Foundation of China and the Doctoral Researth of the National Education Commission of China

摘要/Abstract

摘要： Using Stricklin Melhod^[5],we have this paper has derived the formulas for the ge-neration of non-linear element stiffness matrix of a triangle element when considering both the bending and the in-plane membrane forces. A computer programme for the calculation of large deflection and inner forces of shallow shells is designed on theseformulas. The central deflection curve computed by this programme is compared with other pertaining results.

关键词: debris flow, two-phase liquid, high-speed drainage structure, abrasion, abrasion amount, triangular element, non-linear, stiffness matrix

Abstract: Using Stricklin Melhod^[5],we have this paper has derived the formulas for the ge-neration of non-linear element stiffness matrix of a triangle element when considering both the bending and the in-plane membrane forces. A computer programme for the calculation of large deflection and inner forces of shallow shells is designed on theseformulas. The central deflection curve computed by this programme is compared with other pertaining results.

Key words: debris flow, two-phase liquid, high-speed drainage structure, abrasion, abrasion amount, triangular element, non-linear, stiffness matrix

张建海;李永年;陈大鹏. THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES[J]. Applied Mathematics and Mechanics (English Edition), 1994, 15(5): 425-434.

zhang Jian-hai;Li Yong-nian;Chen Da-peng . THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES[J]. Applied Mathematics and Mechanics (English Edition), 1994, 15(5): 425-434.

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THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES

THE GENERATION OF NON-LINEAR STIFFNESS MATRIX OF TRIANGLE ELEMENT WHEN CONSIDERING BOTH THE BENDING AND IN-PLANE MEMBRANE FORCES

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