This program is written in matlab. The program loads pre-processing data provided by users, including grid data and load data. The element stiffness matrix is generated by two methods, direct numerical operation and MATLAB symbolic operation. The stiffness matrix of the structure is automatically integrated, and the direct solution method is used to solve the linear equations and the node displacement is solved. In the post-processing process, the program calculates the stress value of the joint. For the stress program of the shared joint, the average of the calculated value of each element is used. At the same time, the program gives the stress value of the optimum stress point of the element.

Filename	Size	Update
双线性四边形等参单元程序\assembleK.asv	4956	2008-09-01
双线性四边形等参单元程序\assembleK.m	5466	2008-09-04
双线性四边形等参单元程序\concentrated force.txt	133	2008-09-04
双线性四边形等参单元程序\dateInput.asv	983	2008-09-03
双线性四边形等参单元程序\dateInput.m	879	2008-09-04
双线性四边形等参单元程序\displacementBoundary.txt	243	2008-09-04
双线性四边形等参单元程序\genCentStress.asv	1674	2008-09-04
双线性四边形等参单元程序\genCentStress.m	1673	2008-09-04
双线性四边形等参单元程序\genNoteStress.asv	2849	2008-09-02
双线性四边形等参单元程序\genNoteStress.m	2336	2008-09-03
双线性四边形等参单元程序\genStress.asv	2035	2008-09-03
双线性四边形等参单元程序\genStress.m	2165	2008-09-03
双线性四边形等参单元程序\load.txt	148	2008-09-03
双线性四边形等参单元程序\loadF.asv	1489	2008-09-04
双线性四边形等参单元程序\loadF.m	1719	2008-09-04
双线性四边形等参单元程序\main.asv	761	2008-09-03
双线性四边形等参单元程序\main.m	878	2008-09-04
双线性四边形等参单元程序\modifyK.asv	375	2008-09-03
双线性四边形等参单元程序\modifyK.m	342	2008-09-03
双线性四边形等参单元程序\noteLocation.txt	211	2008-09-04
双线性四边形等参单元程序\noteNumber.txt	252	2008-09-04
双线性四边形等参单元程序\outU.asv	104	2008-09-03
双线性四边形等参单元程序\outU.m	165	2008-09-03
双线性四边形等参单元程序\surface load.txt	230	2008-09-04
双线性四边形等参单元程序\平板单向拉伸2单元\concentrated force.txt	133	2008-09-04
双线性四边形等参单元程序\平板单向拉伸2单元\displacementBoundary.txt	243	2008-09-04
双线性四边形等参单元程序\平板单向拉伸2单元\noteLocation.txt	211	2008-09-04
双线性四边形等参单元程序\平板单向拉伸2单元\noteNumber.txt	252	2008-09-04
双线性四边形等参单元程序\平板单向拉伸2单元\surface load.txt	230	2008-09-04
双线性四边形等参单元程序\平板单向拉伸4单元\concentrated force.txt	145	2008-09-04
双线性四边形等参单元程序\平板单向拉伸4单元\displacementBoundary.txt	273	2008-09-04
双线性四边形等参单元程序\平板单向拉伸4单元\noteLocation.txt	245	2008-09-04
双线性四边形等参单元程序\平板单向拉伸4单元\noteNumber.txt	270	2008-09-04
双线性四边形等参单元程序\平板单向拉伸4单元\surface load.txt	241	2008-09-04
双线性四边形等参单元程序\说明文档.pdf	291705	2008-09-04
双线性四边形等参单元程序\平板单向拉伸2单元	0	2008-09-09
双线性四边形等参单元程序\平板单向拉伸4单元	0	2008-09-09
双线性四边形等参单元程序	0	2008-09-09

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